Smart Prepaid Energy Meter 3z12i

A prepaid meter using mobile communication

Abstract Energy meters in India have dominantly been electromechanical in nature but are gradually being replaced by more sophisticated and accurate digital and electronic meters. A high percentage of electricity revenue is lost to power theft, incorrect meter reading and billing, and reluctance of consumers towards paying electricity bills on time. Considerable amount of revenue losses can be reduced by using Prepaid Energy Meters. A prepaid energy meter enables power utilities to collect energy bills from the consumers prior to the usage of power by delivering only as much as what has been paid for. This paper suggests a prepaid energy meter behaving like a prepaid mobile phone. The meter contains a prepaid card analogous to mobile SIM card. The prepaid card communicates with the power utility using mobile communication infrastructure. Once the prepaid card is out of balance, the consumer load is disconnected from the utility supply by the or. The power utility can recharge the prepaid card remotely through mobile communication based on customer requests. A prior billing is bound to do away with the problems of unpaid bills and human error in meter readings, thereby ensuring justified revenue for the utility. The proposed prepaid meter is implemented in a software model and Matlab has been used for simulation. Keywords: Balance, Consumer, Energy Meter, Mobile Communication, Prepaid Card M.C.E.NILANGA

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1. Introduction Electric energy meters, the direct billing interface between utilities and consumers for long, have undergone several advancements in the last decade. The conventional electromechanical meters are being replaced by new electronic meters to improve accuracy in meter reading. Still, the Indian power sector faces a serious problem of lean revenue collection for the actual electric energy supplied owing to energy thefts and network losses. One of the prime reasons is the traditional billing system which is inaccurate many times, slow, costly, and lack in flexibility as well as reliability (Divides et al, 2010). Therefore, attempts are being made to automate the billing systems. Even though more accurate and faster meter readings have seen the light of day, bill payment is still based on an old procedure. They require an individual/agent to personally come down to customer place and note the meter readings and report the amount one has to pay to the household/office. But the demand for computing power at all levels of electronic systems is driving advancements in semiconductor chip technology. The AMR and power quality monitoring systems manufacturers are taking advantage of these advances and integrating them into new meters and instruments. The networking technologies are driven by the demand for interconnection of computer s worldwide (Chandler, 2005). M.C.E.NILANGA

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The AMR and power monitoring systems are using these advances to expand the monitoring systems. A Prepaid Energy Meter enables power utilities to collect electricity bills from the consumers prior to its consumption. The prepaid meter is not only limited to Automated Meter Reading [AMR] but is also attributed with prepaid recharging ability and information exchange with the utilities pertaining to customer’s consumption details. The idea of prepaid metering will be very important for the new research fields of Micro-grid and Smart Grid and is an inevitable step in making any grid smarter than it is now. Literature has witnessed quite an amount of work in this area. The use of electronic token prepayment metering has been widely used in UK for customers with poor record of payment (Southgate et al, 1996). A paper suggests a design of a system which can be used for data transmission between the personal computer and smart card. The device will transmit the data in half duplex mode (Kwan et al, 2002). The system designed in this project can be used to develop more complex system where a smart card can be used to several applications including prepayment. Another paper features a 3-tier smart card secure solution for a novel prepaid electricity system. It uses an IPbased controller in addition to a power meter, providing efficient online control of the amount of electricity consumed by the (Read et al, 2007). Prepaid meters can also make use of state of art technologies like WiMAX owing to the idea of centralized ing, monitoring and charging. It brings telecommunication to the core of its activities to more Smart Grid applications M.C.E.NILANGA

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such as Demand Response and Plug-in electric vehicles (Khan et al, 2007). Prepayment polyphase electricity metering systems have also been developed consisting of local prepayment and a card reader based energy meter (Ling et al, 2010). In this paper, we have attempted to initiate a different idea of using mobile communication to remotely recharge as well as bill the consumer’s energy consumption. A prepaid card capable of communicating with power utility using mobile communication is attached to the energy meter. The idea has been successfully implemented in Matlab and results obtained have been presented.

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2. Design of Prepaid Energy Meter The proposed idea is not to replace the existing energy meter and chalk out a completely new prepaid meter but up-grade the available energy meters to prepaid meters. Thus, our design primarily has an energy meter, a prepaid card and the communication module encapsulated and provided as an upgrading attachment along with a or and a liquid crystal display (LCD).

2.1Energy Meter:The electromechanical energy meter calculates the electrical energy or units consumed by the load based on the mechanical energy of the disk or rotor. The electronic meter has this existing structure attached with a microcontroller programmed to perform specific calculations and present it in of electrical energy units consumed to a prepaid card. The meter is also connected to a or apart from the consumer load.

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2.2 Prepaid Card and Communication Module: The prepaid card is the most important addition to the design. The power utility sets the amount in the prepaid card to a measure that the consumer recharges the card to, called Fixed Amount. The tariff rates are already programmed and fed into the card. As the load is consumed, the meter sends the units consumed to the prepaid card which continuously converts these units into expenditure at each instant and then subtracts it from the fixed amount. The communication module uses mobile communication to share prepaid card balance with power utility at certain instants as required by utility for tracking the balance and also for any other application e.g. Demand Side Management (DMS) etc. The fixed amount in the prepaid card will go to zero eventually with the consumption. The consumer can recharge the prepaid card by prepayment through internet. The utility on receipt of recharge request and desired prepaid amount, recharges the customer’s energy meter i.e. prepaid card. The prepaid card sends a signal to the or for monitoring the supply to the consumer. The communication module has prepaid card encapsulated inside the encryption authentication module which is Embedded Security Access Module (ESAM). It thus enables the card to use the mobile communication to communicate with power utility and share information regarding the card’s balance details. M.C.E.NILANGA

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2.3 or:A local contractor is the connecting link between the consumer load and utility supply. The opening and closing of this or depends on the balance present in the prepaid card at a moment. While the prepaid card has some fixed amount more than zero, it stays closed and keeps the utility supply uninterrupted to the consumer load. When the card runs out of balance, it opens and disconnects the load from the supply. Hence, even when the energy meter receives voltage supply, it does not reach the load while the or is open because the balance in the prepaid card is not available. Since the or too will consume some amount of electrical energy, it will be inclusive in the calculations made by meter and prepaid card.

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3.

Working Scheme ;-

The scheme for working of the proposed idea has been explained with the help of a block diagram in Fig.1. As seen in the block diagram, the consumer level supply, i.e., the utility supply is fed to an energy meter which has a prepaid card embedded. The prepaid card feeds a low/high signal i.e. open/close signal to the local or depending on the balance left in it. The or thus controls the supply to the consumer load, disconnecting it when prepaid card runs out of balance. When prepaid card is short of sufficient balance, the consumer makes a recharge request to the utility by prepayment through internet. The utility having received the recharge amount recharges the prepaid card using mobile communication. The utility also receives information about the balance details from the card for the record purposes.

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Figure 1. Prepaid meter working scheme

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Figure 2. Matlab simulated model of prepaid energy meter

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4. Simulation Model ;The complete idea and scheme of work has been modeled and simulated successfully using Matlab environment. The model is shown in Fig.2. As seen in the MATLAB Simulink model, the input voltage is three phase supply and so is the or. The three phase parallel and series loads are used to represent the domestic loads. The block named ‘Prepaid Card’ is a Simulink block in itself with an Mfile program embedded in it to imitate the electronic meter. The simulation outputs are balance left in the prepaid card, signal to or, and indication to consumer so as to indicate a need to recharge. The breakers simulate the or which remains closed provided the supply exists and the balance is not nil. The indication to consumer prompts him to request the power utility to recharge the card. The prepaid card sends a digital signal to the three phase local or to disconnect and reconnect the utility supply with the consumer load. The model does not explicitly show the presence of an energy meter owing to the fact that its functions have been aptly programmed and embedded into the prepaid card block.

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5. Simulation Results ;-

The simulation results from the proposed model depict output statuses of electricity supply, opening and closing of local or and phase voltage magnitudes over the intended simulation time. The prepaid card is recharged on the consumer’s request to the power utility which can be made as soon as balance finishes in the prepaid card. The variation in the output of electricity supply depending upon the prepaid card balance is as shown in Fig.3. The variations during the opening and closing of or are shown in Fig. 4 which is very much in synchronism with Fig. 3. It shows that opening (status 0) and closing (status 1) of or is in sync with prepaid card recharge and discharge. The individual phase voltage magnitudes shown in Fig. 5, Fig. 6 and Fig. 7, appear in coordination with the prepaid card running out of balance and gaining a recharge, respectively.

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Figure 3. Output status of electricity supply based on prepaid card balance

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Figure 4. Working on or based on prepaid card balance

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Figure 5. Variation in phase A voltage magnitude based on prepaid card balance

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Figure 6. Variation in phase B voltage magnitude based on prepaid card balance

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Figure 7. Variation in phase C voltage magnitude based on prepaid card balance

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6. Advantages:1. High accuracy over a wide current dynamic range. 2. Reliability and robustness. 3. Flexibility of design. 4. Automatic Meter Reading (AMR). 5. More easily enable new functionalities. 6. Multi tariff billing. 7. Tamper proofing. 8. Prepayment meters. 9. Power out range detection. 10. Power factor detection. 11. Easily reconfiguration, upgrade. 12. Do not use gears that wear out or magnets that saturate with DC current. 13. Do not require precision mechanics or have large tolerance variations over temperature. M.C.E.NILANGA

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7. Disadvantages:1. The main disadvantage of the system is, because of huge electronic hardware involved in the system, the overall system consumes more electric energy . 2. Remedy: When the system is converted into engineering module, the bulky hardware can be converted into a small-integrated chip. When the hardware is minimized naturally the system consumes less power. 3. Since it is a prototype module, because of huge hardware the system occupies more space. 4. The consumer or the electrical department has to spend more amounts for installing this kind of smart energy meters. Economically it is not advised.

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Conclusions ;This paper presents a model for prepaid meter using mobile communication. This is an effort towards upgrading existing electrical energy meters through their fusion with a prepaid card aiming at collection of bills prior to consumption of energy thus improving the revenue collection for the scheduled supply. Thus the work presented in this paper mainly models the prepaid card proposed to be embedded to the existing meters. The proposed card opens up a or once prepaid balance is over. The proposed prepaid meter has been successfully implemented in a software model which has been implemented with the help of Matlab. The proposed prepaid block is modeled in Simulink to monitor the prepaid balance and it duly trips a or once the consumer runs out of the balance. The modeling shows that the consumer is never allowed to consume more than what he has paid for and is entitled to request a recharge for continued supply. The power utility recharges the prepaid card through mobile communication once they get the prepayment from the consumer for recharging prepaid meter. The mobile infrastructure caters to two way communications between the power utility and the prepaid meter enhancing the smart nature of the scheme. The major benefit of proposed prepaid meter is that it doesn’t require replacing the already installed energy M.C.E.NILANGA

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meter but it will just upgrade the already installed energy meter to prepaid meter with attachment of prepaid card. The authors hope that this proposed prepaid meter will be very useful for the power utilities in developing economies like India which has large population of traditional energy meters as the proposed prepaid meter is achieved by upgrading the existing energy meters which is very economical instead of replacing them fully with another prepaid meters.

.

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References ;Chandler, T. 2005. The technology development of automatic metering and monitoring systems. Power Engineering Conference, 2005. IPEC 2005. The 7th International, Vol., No., pp.1-147. Devidas, A.R.; Ramesh,M.V. 2010. Wireless Smart Grid Design for Monitoring and Optimizing Electric Transmission in India. Sensor Technologies and Applications (SENSORCOMM), 2010 Fourth International Conference on Vol., No., pp.637-640. Khan R.H., T.F. Aditi, V. Sreeram and H.H.C. Iu. 2010. A Prepaid Smart Metering Scheme Based on WiMAX Prepaid ing Model. Smart Grid and Renewable Energy, Volume 1, Number 2, pp. 63-69. Kwan, B.H.; Moghavvemi, M. 2002. PIC based smart card prepayment system. Research and Development, 2002. SCOReD 2002. Student Conference on , Vol., No., pp. 440- 443. Ling Zou, Sihong Chu and Biao Guo. 2010. The design of prepayment polyphase smart electricity meter system. 2010 International Conference on Intelligent Computing and Integrated Systems (ICISS), pp. 430-432, 22-24. Raad, M.W.; Sheltami, T.; Sallout, M.2007. A Smart Card Based Prepaid Electricity System. Pervasive Computing and Applications, 2007. ICA 2007. 2nd International Conference on , Vol., No., pp.219-224, 26-27. Southgate D. and L. M.C.E.NILANGA

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A prepaid meter using mobile communication Metters. 1996. Evaluation of the benefits of a fully re-programmable two way prepayment system. Metering and Tariffs for Energy Supply, Conference Publication No. 426, IEE, 3-5.

Biographical notes ;Amit Jain graduated from KNIT, India in Electrical Engineering. He completed his master’s and Ph.D. from Indian Institute of Technology, New Delhi, India. He was working in Alstom on the power SCADA systems. He worked in Korea in 2002 as a Post-doctoral researcher in the Brain Korea 21 project team of Chungbuk National University. He was Post Doctoral Fellow of the Japan Society for the Promotion of Science (JSPS) at Tohoku University, Sendai, Japan. He also worked as a Post Doctoral Researcher at Tohoku University, Sendai, Japan. Currently he is heading, Power Systems Research Center at IIIT, Hyderabad, India. His fields of research interest are IT applications in Power and Energy Systems, power system real time monitoring and control, artificial intelligence applications, smart grid, power system planning and economics, electricity markets, renewable energy, and reliability analysis. Mohnish Bagree is pursuing his B. Tech. in Electrical and Electronic Engineering department at Vellore Institute of Technology, Vellore, India. His research interests include Advanced Metering Infrastructure and other Smart Grid Applications. Received January 2011 Accepted March 2011 Final acceptance in revised from April 2011 me

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A prepaid meter using mobile communication ilter something eg: "electronics

seminar" -"/tag/" (used for exclude results from tag pages) Please A Seminar Or Project Report/Co Tags: PREPAID, ENERGY, low cost energy meter using ade7757, prepaid energy meter using pic, METER, USING, MOBILE, PREPAID ENERGY METER USING GSM MOBILE, PREPAID ENERGY METER USING GSM MOBILE ppt, PREPAID ENERGY METER USING GSM MOBILE pdf, prepaid energy meter ppt, prepaid energy meter project report, prepaid energy meter pdf, prepaid energy meter using smart card, prepaid energy meter circuit, prepaid energy meter at89s52, prepaid energy meter in india, prepaid energy meter using 8051, prepaid energy meter manufacturers, Pages (4): 1 2 3 4 Next » 18-04-2010, 09:31 PM Post: #1 project topics View Member Profile Find Member's Topics Find Member's Posts Project Seminar Technology Expert Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2,396 ed: Mar 2010 M.C.E.NILANGA

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Thanks: 34 105 thank was given in 89 posts

PREPAID ENERGY METER USING GSM MOBILE PREPAID ENERGY METER USING GSM MOBILE.docx (Size: 32.12 KB / s: 753) PREPAID ELECTRICITY BILLING SYSTEM USING GSM Abstract The short message system (SMS) of a standard mobile phone can be used for much more than just exchanging cryptic message. This application finds a humble mobile working for controlling external equipments. The SMS service provides by the service providers are comparatively low cost. Hence the system is highly efficient and low-cost. Mobile phones have become a widespread means of communication. It becomes a part of everyday life with ever more people enjoying the service and extra freedom they provide. It works on the basis of Global System for Mobile Communication (GSM). A subscriber from any systems can access M.C.E.NILANGA

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telecommunication services by using a Subscriber Identify Module (SIM) card in a handset suitable for the network on the visited system The Short Message Service allows text messages to be sent and received to and from mobile telephones. The text can comprise words or numbers or an alphanumeric combination. Because Simple person - to - person messaging is such an important component of total SMS traffic volumes, anything that simplifies message generation as well as extended utility of the SMS being sent is an important enabler of Short Message Service. We will connect hardware kit i.e. GSM modem and microcontroller to the energy meter. The main aim of this project is whenever u r recharging with some amount say example Rs.100/- by doing SMS to the MODEM, the bulb gets automatically ON until your recharge gets zero. After getting your balance zero your device gets automatically switched OFF and you will get a message from the MODEM that you have to recharge your mobile and the process takes place continuously. Block diagram: Hardware Used: AT command ing GSM mobile phone. 89c51 Microcontroller M.C.E.NILANGA

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Max 232 IC. DB9 Connector GSM Phone SOFTWARE USED: 1. Keil u-Vision Keil Software is used provide you with software development tools for 8051 based microcontrollers. With the Keil tools, you can generate embedded applications for virtually every 8051 derivative. The ed microcontrollers are listed in the Ã‚Âµvision. 2. PRO51 Programmer Software

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29-06-2010, 04:18 PM Post: #2 computer science topics View Member Profile Find Member's Topics Find Member's Posts Project Phobia Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 610 ed: Jun 2010 Thanks: 4 36 thank was given in 31 posts

RE: PREPAID ENERGY METER USING GSM MOBILE source code.zip (Size: 6.14 KB / s: 367)

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------------------------------------------------------------------------------A scheme of Electricity billing system called PREPAID ENERGY METER WITH TARIFF INDICATOR can facilitate in improved cash flow management in energy utilities and can reduces problem associated with billing consumer living in isolated area and reduces deployment of manpower for taking meter readings. Every consumer can buy a memory card (is nothing but an EEPROM IC) with a stored inside it using a MC program. The memory card is available at various ranges (ie. Rs 50, Rs 100, Rs 200 etcÂ¦).In our project we have given the name for memory card as smart card. When the consumer insert a smart card into the card reader which is connected in prepaid energy meter with tariff indicatorkit.Then the card reader will read the stored information and delete the information from the EEPROM IC(smart card) using the MC program. So that the smart card cannot be reused by others. Suppose if a consumer buy a card for Rs.50/- he / she can insert this amount through the card reader so that prepaid energy meter with tariff indicator kit will be activated. According to the power consumption the amount will be reduced. When the amount is over, the M.C.E.NILANGA

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relay will automatically shutdown the whole system. In our project we also have a provision to give an alarm sound to consumer before the whole amount is reduced.


Thank given by 20-07-2010, 06:09 AM Post: #3 faseela o a View Member Profile Find Member's Topics Find Member's Posts Knowledge Hunter Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2 ed: Jun 2010 M.C.E.NILANGA

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RE: PREPAID ENERGY METER USING GSM MOBILE sir,i need full report of this topic.that report contains minimum 25 pages ------------------------------------------------------------------------------sir this report is too short ------------------------------------------------------------------------------sir,iwant more details


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Thank given by 20-07-2010, 06:16 AM Post: #4 faseela o a View Member Profile Find Member's Topics Find Member's Posts Knowledge Hunter Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2 ed: Jun 2010 Thanks: 0 0 thank was given in 0 posts

RE: PREPAID ENERGY METER USING GSM MOBILE sir,do you have more details about PREPAID ENERGY METER USING GSM MOBILE

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Get More Information About A Seminar Or Project Topic

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RE: PREPAID ENERGY METER USING GSM MOBILE MODIFIED LOW-COST ENERGY METER USING ADE7757 INTRODUCTION The low-cost energy meter project as published in May’05 issue of EFY, which made use of 8-digit, 7M.C.E.NILANGA

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segment displays in conjunction with two counter[censored] display driver ICs MM74C926 and a 5V power supply, has been modified to display the KWH reading on an 8- digit LCD calculator in an identical manner, thereby doing away with a large number of components. The modified circuit diagram is shown here in Fig.1. Difficulty had been experienced regarding non-availability and high price of counter[censored]-LED display driver IC MM74C926 (IC6 and IC7), which led us to present this alternate scheme. An 8-digit LCD calculator with character display height of 0.56" for good visibility has been used. Connection method. Output from collector (pin 5) and emitter (pin 4) of MCT2E optocoupler (IC3) is extended to ‘=’ terminals on the PCB inside the calculator. To make things easy for the customer, M/S Kits ‘N’ Spares will supply the calculators with the connection from the ‘=’ terminals brought out. Thus the customer has to simply connect the ‘red’ and ‘black’ leads from the calculator to collector pin 5 and emitter pin 4 of IC3 of Energy meter PCB. A 2-pin connector is used on the PCB for terminating output (100 pulses per KWH unit) from IC3 optocoupler. Note. Shorting links for J1 and J2 and J3 determine output frequency on CF pin of IC1. In this application, J1 and J2 select logic 1 (short pins 2 to3) and J3 selects logic 0 at pins 8, 9 and 10 M.C.E.NILANGA

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respectively to get 100 pulses per KWH. An actualsize PCB layout for the circuit of Fig. 1 is shown in Fig.2, while its component layout is shown in Fig. 3. The fresh parts list using identical parts designation is given in the box. Activation procedure. The calculator has its own supply from a coin cell, which can last for a long period without replacement. Follow the simple steps given below for its activation: (a) Switch on the calculator. (b) Press decimal Key ‘.’, followed by entry of two zeros ‘00’. © Press plus key ‘+’ followed by entry of decimal, zero and one ‘.01’. The reading on calculator LCD screen shows ‘0.01’ Now you can switch on your energy meter and its load. On receiving the first pulse via optocoupler (IC3), the reading will continue to show 0.01. With each successive pulse the reading will increment by .01 to show ‘0.02’, ‘0.03’, ———‘.08’‘0.09’, ‘0.10’ and so on as was the case when original circuit/PCB was used. Hence the reading will be identical. Cost advantage. M/S Kits ‘N’ Spares have decided to on the cost advantage of Rs.500/-, as a result of use of this alternate method, to the customers. The redundant items, as mentioned above, will not be supplied by M/S Kits ‘N’ Spares with the kit, while calculator will be included as part of the kit. M.C.E.NILANGA

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Please A Seminar Or Project Report/Code/Material/Presentation Here Tags: PREPAID, ENERGY, low cost energy meter using ade7757, prepaid energy meter using pic, METER, USING, MOBILE, PREPAID ENERGY METER USING GSM MOBILE, PREPAID ENERGY METER USING GSM MOBILE ppt, PREPAID ENERGY METER USING GSM MOBILE pdf, prepaid energy meter ppt, prepaid energy meter project report, prepaid energy meter pdf, prepaid energy meter using smart card, prepaid energy meter circuit, prepaid energy meter at89s52, prepaid energy meter in india, prepaid energy meter using 8051, prepaid energy meter manufacturers, Pages (4): 1 2 3 4 Next » 18-04-2010, 09:31 PM Post: #1 project topics View Member Profile Find Member's Topics Find Member's Posts Project Seminar Technology Expert Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2,396 ed: Mar 2010 M.C.E.NILANGA

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PREPAID ENERGY METER USING GSM MOBILE PREPAID ENERGY METER USING GSM MOBILE.docx (Size: 32.12 KB / s: 753) PREPAID ELECTRICITY BILLING SYSTEM USING GSM Abstract The short message system (SMS) of a standard mobile phone can be used for much more than just exchanging cryptic message. This application finds a humble mobile working for controlling external equipments. The SMS service provides by the service providers are comparatively low cost. Hence the system is highly efficient and low-cost. Mobile phones have become a widespread means of communication. It becomes a part of everyday life with ever more people enjoying the service and extra freedom they provide. It works on the basis of Global System for Mobile Communication (GSM). A subscriber from any systems can access M.C.E.NILANGA

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telecommunication services by using a Subscriber Identify Module (SIM) card in a handset suitable for the network on the visited system The Short Message Service allows text messages to be sent and received to and from mobile telephones. The text can comprise words or numbers or an alphanumeric combination. Because Simple person - to - person messaging is such an important component of total SMS traffic volumes, anything that simplifies message generation as well as extended utility of the SMS being sent is an important enabler of Short Message Service. We will connect hardware kit i.e. GSM modem and microcontroller to the energy meter. The main aim of this project is whenever u r recharging with some amount say example Rs.100/- by doing SMS to the MODEM, the bulb gets automatically ON until your recharge gets zero. After getting your balance zero your device gets automatically switched OFF and you will get a message from the MODEM that you have to recharge your mobile and the process takes place continuously. Block diagram: Hardware Used: AT command ing GSM mobile phone. 89c51 Microcontroller M.C.E.NILANGA

Santosh Bhagat Som

Page 43


Max 232 IC. DB9 Connector GSM Phone SOFTWARE USED: 1. Keil u-Vision Keil Software is used provide you with software development tools for 8051 based microcontrollers. With the Keil tools, you can generate embedded applications for virtually every 8051 derivative. The ed microcontrollers are listed in the Ã‚Âµvision. 2. PRO51 Programmer Software


Thank given by M.C.E.NILANGA

Santosh Bhagat Som

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29-06-2010, 04:18 PM Post: #2 computer science topics View Member Profile Find Member's Topics Find Member's Posts Project Phobia Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 610 ed: Jun 2010 Thanks: 4 36 thank was given in 31 posts


------------------------------------------------------------------------------Presented By: Binu J M.C.E.NILANGA

Santosh Bhagat Som

Page 45


------------------------------------------------------------------------------A scheme of Electricity billing system called PREPAID ENERGY METER WITH TARIFF INDICATOR can facilitate in improved cash flow management in energy utilities and can reduces problem associated with billing consumer living in isolated area and reduces deployment of manpower for taking meter readings. Every consumer can buy a memory card (is nothing but an EEPROM IC) with a stored inside it using a MC program. The memory card is available at various ranges (ie. Rs 50, Rs 100, Rs 200 etcÂ¦).In our project we have given the name for memory card as smart card. When the consumer insert a smart card into the card reader which is connected in prepaid energy meter with tariff indicatorkit.Then the card reader will read the stored information and delete the information from the EEPROM IC(smart card) using the MC program. So that the smart card cannot be reused by others. Suppose if a consumer buy a card for Rs.50/- he / she can insert this amount through the card reader so that prepaid energy meter with tariff indicator kit will be activated. According to the power consumption the amount will be reduced. When the amount is over, the M.C.E.NILANGA

Santosh Bhagat Som

Page 46


relay will automatically shutdown the whole system. In our project we also have a provision to give an alarm sound to consumer before the whole amount is reduced.


Thank given by 20-07-2010, 06:09 AM Post: #3 faseela o a View Member Profile Find Member's Topics Find Member's Posts Knowledge Hunter Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2 ed: Jun 2010 M.C.E.NILANGA

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M.C.E.NILANGA

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------------------------------------------------------------------------------Please Use Search http://www.seminarprojects.com/search.php wisely To M.C.E.NILANGA

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Get More Information About A Seminar Or Project Topic


RE: PREPAID ENERGY METER USING GSM MOBILE MODIFIED LOW-COST ENERGY METER USING ADE7757 INTRODUCTION The low-cost energy meter project as published in May’05 issue of EFY, which made use of 8-digit, 7M.C.E.NILANGA

Santosh Bhagat Som

Page 50


segment displays in conjunction with two counter[censored] display driver ICs MM74C926 and a 5V power supply, has been modified to display the KWH reading on an 8- digit LCD calculator in an identical manner, thereby doing away with a large number of components. The modified circuit diagram is shown here in Fig.1. Difficulty had been experienced regarding non-availability and high price of counter[censored]-LED display driver IC MM74C926 (IC6 and IC7), which led us to present this alternate scheme. An 8-digit LCD calculator with character display height of 0.56" for good visibility has been used. Connection method. Output from collector (pin 5) and emitter (pin 4) of MCT2E optocoupler (IC3) is extended to ‘=’ terminals on the PCB inside the calculator. To make things easy for the customer, M/S Kits ‘N’ Spares will supply the calculators with the connection from the ‘=’ terminals brought out. Thus the customer has to simply connect the ‘red’ and ‘black’ leads from the calculator to collector pin 5 and emitter pin 4 of IC3 of Energy meter PCB. A 2-pin connector is used on the PCB for terminating output (100 pulses per KWH unit) from IC3 optocoupler. Note. Shorting links for J1 and J2 and J3 determine output frequency on CF pin of IC1. In this application, J1 and J2 select logic 1 (short pins 2 to3) and J3 selects logic 0 at pins 8, 9 and 10 M.C.E.NILANGA

Santosh Bhagat Som

Page 51


respectively to get 100 pulses per KWH. An actualsize PCB layout for the circuit of Fig. 1 is shown in Fig.2, while its component layout is shown in Fig. 3. The fresh parts list using identical parts designation is given in the box. Activation procedure. The calculator has its own supply from a coin cell, which can last for a long period without replacement. Follow the simple steps given below for its activation: (a) Switch on the calculator. (b) Press decimal Key ‘.’, followed by entry of two zeros ‘00’. © Press plus key ‘+’ followed by entry of decimal, zero and one ‘.01’. The reading on calculator LCD screen shows ‘0.01’ Now you can switch on your energy meter and its load. On receiving the first pulse via optocoupler (IC3), the reading will continue to show 0.01. With each successive pulse the reading will increment by .01 to show ‘0.02’, ‘0.03’, ———‘.08’‘0.09’, ‘0.10’ and so on as was the case when original circuit/PCB was used. Hence the reading will be identical. Cost advantage. M/S Kits ‘N’ Spares have decided to on the cost advantage of Rs.500/-, as a result of use of this alternate method, to the customers. The redundant items, as mentioned above, will not be supplied by M/S Kits ‘N’ Spares with the kit, while calculator will be included as part of the kit. M.C.E.NILANGA

Santosh Bhagat Som

Page 52


For more information about this article,please follow the link: http://www.google.co.in/url?sa=t&source=...b__Boons sw


Thank given by Rating Thread Rating: 0 Votes - 0 Average12345 PREPAID ENERGY METER USING GSM MOBILE Options View a Printable VersionSend this Thread to a FriendSubscribe to this threadThreaded ModeLinear Mode « Next Oldest · Next Newest » M.C.E.NILANGA

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Share PREPAID ENERGY METER USING GSM MOBILE To Your Friends :-

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Last Post: seminar addict AUTOMATIC ENERGY SAVING SYSTEM WITH HUMAN HEAT DETECTION smart paper boy 8 1,330 29-09-2011 10:07 AM Last Post: seminar addict Kinetic Energy recovery System Gourav2 5 1,924 2909-2011 09:55 AM Last Post: seminar addict Doubly-Fed Induction Generator for Variable Speed Wind Energy Conversion Systems smart paper boy 2 473 29-09-2011 09:50 AM Last Post: seminar addict Wireless mobile charging through Microwaves ajaysekar 3 374 29-09-2011 09:48 AM Last Post: seminar addict multimedia streaming technology in 4g mobile communication systems sumathi.s 2 141 28-09-2011 10:03 AM Last Post: smart paper boy This Page May Contain What is PREPAID ENERGY METER USING GSM MOBILE And Latest Information/News About PREPAID ENERGY METER USING GSM MOBILE,If Not ...Use Search to get more info about PREPAID ENERGY METER USING GSM MOBILE Or Ask Here M.C.E.NILANGA

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---PREPAID ELECTRICITY BILLING SYSTEM USING GSM Abstract The short message system (SMS) of a standard mobile phone can be used for much more than just exchanging cryptic message. This application finds a humble mobile working for controlling external equipments. The SMS service provides by the service providers are comparatively low cost. Hence the system is highly efficient and low-cost. Mobile phones have become a widespread means of communication. It becomes a part of everyday life with ever more people enjoying the service and extra freedom they provide. It works on the basis of Global System for Mobile Communication (GSM). A subscriber from any systems can access telecommunication services by using a Subscriber M.C.E.NILANGA

Santosh Bhagat Som

Page 56


Identify Module (SIM) card in a handset suitable for the network on the visited system The Short Message Service allows text messages to be sent and received to and from mobile telephones. The text can comprise words or numbers or an alphanumeric combination. Because Simple person - to - person messaging is such an important component of total SMS traffic volumes, anything that simplifies message generation as well as extended utility of the SMS being sent is an important enabler of Short Message Service. We will connect hardware kit i.e. GSM modem and microcontroller to the energy meter. The main aim of this project is whenever u r recharging with some amount say example Rs.100/- by doing SMS to the MODEM, the bulb gets automatically ON until your recharge gets zero. After getting your balance zero your device gets automatically switched OFF and you will get a message from the MODEM that you have to recharge your mobile and the process takes place continuously. Block diagram: Hardware Used: AT command ing GSM mobile phone. 89c51 Microcontroller Max 232 IC. M.C.E.NILANGA

Santosh Bhagat Som

Page 57


DB9 Connector GSM Phone SOFTWARE USED: 1. Keil u-Vision Keil Software is used provide you with software development tools for 8051 based microcontrollers. With the Keil tools, you can generate embedded applications for virtually every 8051 derivative. The ed microcontrollers are listed in the Ã‚Âµvision. 2. PRO51 Programmer Software


Thank given by 29-06-2010, 04:18 PM Post: #2 M.C.E.NILANGA

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computer science topics View Member Profile Find Member's Topics Find Member's Posts Project Phobia Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 610 ed: Jun 2010 Thanks: 4 36 thank was given in 31 posts


------------------------------------------------------------------------------Presented By: Binu J ------------------------------------------------------------------------------M.C.E.NILANGA

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A scheme of Electricity billing system called PREPAID ENERGY METER WITH TARIFF INDICATOR can facilitate in improved cash flow management in energy utilities and can reduces problem associated with billing consumer living in isolated area and reduces deployment of manpower for taking meter readings. Every consumer can buy a memory card (is nothing but an EEPROM IC) with a stored inside it using a MC program. The memory card is available at various ranges (ie. Rs 50, Rs 100, Rs 200 etcÂ¦).In our project we have given the name for memory card as smart card. When the consumer insert a smart card into the card reader which is connected in prepaid energy meter with tariff indicatorkit.Then the card reader will read the stored information and delete the information from the EEPROM IC(smart card) using the MC program. So that the smart card cannot be reused by others. Suppose if a consumer buy a card for Rs.50/- he / she can insert this amount through the card reader so that prepaid energy meter with tariff indicator kit will be activated. According to the power consumption the amount will be reduced. When the amount is over, the relay will automatically shutdown the whole system. In our project we also have a provision to give an alarm M.C.E.NILANGA

Santosh Bhagat Som

Page 60


sound to consumer before the whole amount is reduced.


Thank given by 20-07-2010, 06:09 AM Post: #3 faseela o a View Member Profile Find Member's Topics Find Member's Posts Knowledge Hunter Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2 ed: Jun 2010 Thanks: 0 0 thank was given in 0 posts M.C.E.NILANGA

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Thank given by 20-07-2010, 06:16 AM Post: #4 M.C.E.NILANGA

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faseela o a View Member Profile Find Member's Topics Find Member's Posts Knowledge Hunter Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2 ed: Jun 2010 Thanks: 0 0 thank was given in 0 posts


------------------------------------------------------------------------------Please Use Search http://www.seminarprojects.com/search.php wisely To Get More Information About A Seminar Or Project Topic M.C.E.NILANGA

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RE: PREPAID ENERGY METER USING GSM MOBILE MODIFIED LOW-COST ENERGY METER USING ADE7757 INTRODUCTION The low-cost energy meter project as published in May’05 issue of EFY, which made use of 8-digit, 7segment displays in conjunction with two counter[censored] display driver ICs MM74C926 and a 5V power supply, has been modified to display the KWH M.C.E.NILANGA

Santosh Bhagat Som

Page 64


reading on an 8- digit LCD calculator in an identical manner, thereby doing away with a large number of components. The modified circuit diagram is shown here in Fig.1. Difficulty had been experienced regarding non-availability and high price of counter[censored]-LED display driver IC MM74C926 (IC6 and IC7), which led us to present this alternate scheme. An 8-digit LCD calculator with character display height of 0.56" for good visibility has been used. Connection method. Output from collector (pin 5) and emitter (pin 4) of MCT2E optocoupler (IC3) is extended to ‘=’ terminals on the PCB inside the calculator. To make things easy for the customer, M/S Kits ‘N’ Spares will supply the calculators with the connection from the ‘=’ terminals brought out. Thus the customer has to simply connect the ‘red’ and ‘black’ leads from the calculator to collector pin 5 and emitter pin 4 of IC3 of Energy meter PCB. A 2-pin connector is used on the PCB for terminating output (100 pulses per KWH unit) from IC3 optocoupler. Note. Shorting links for J1 and J2 and J3 determine output frequency on CF pin of IC1. In this application, J1 and J2 select logic 1 (short pins 2 to3) and J3 selects logic 0 at pins 8, 9 and 10 respectively to get 100 pulses per KWH. An actualsize PCB layout for the circuit of Fig. 1 is shown in Fig.2, while its component layout is shown in Fig. 3. M.C.E.NILANGA

Santosh Bhagat Som

Page 65


The fresh parts list using identical parts designation is given in the box. Activation procedure. The calculator has its own supply from a coin cell, which can last for a long period without replacement. Follow the simple steps given below for its activation: (a) Switch on the calculator. (b) Press decimal Key ‘.’, followed by entry of two zeros ‘00’. © Press plus key ‘+’ followed by entry of decimal, zero and one ‘.01’. The reading on calculator LCD screen shows ‘0.01’ Now you can switch on your energy meter and its load. On receiving the first pulse via optocoupler (IC3), the reading will continue to show 0.01. With each successive pulse the reading will increment by .01 to show ‘0.02’, ‘0.03’, ———‘.08’‘0.09’, ‘0.10’ and so on as was the case when original circuit/PCB was used. Hence the reading will be identical. Cost advantage. M/S Kits ‘N’ Spares have decided to on the cost advantage of Rs.500/-, as a result of use of this alternate method, to the customers. The redundant items, as mentioned above, will not be supplied by M/S Kits ‘N’ Spares with the kit, while calculator will be included as part of the kit. For more information about this article,please follow the link: M.C.E.NILANGA

Santosh Bhagat Som

Page 66


http://www.google.co.in/url?sa=t&source=...b__Boons sw


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Pages (4): 1 2 3 4 Next »

Possibly Related Threads... Thread: Author Replies: Views: Last Post WIND ENERGY NON CONVENTIONAL ENERGY SOURCE smart paper boy 2 215 Yesterday 10:15 AM Last Post: seminar addict mobile virtual reality ( Full Report And Abstract) computer science crazy 11 4,845 Yesterday 10:14 AM Last Post: seminar addict AUTOMATIC ENERGY SAVING SYSTEM WITH HUMAN HEAT DETECTION surejmonsr 1 101 Yesterday 10:00 AM Last Post: seminar addict inductance,capacitance,frequency meter jeewak 0 19 04-10-2011 12:33 PM Last Post: jeewak GSM Based Automatic Energy Meter Reading seminar class 20 5,067 03-10-2011 09:47 AM Last Post: seminar addict

M.C.E.NILANGA

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AUTOMATIC ENERGY SAVING SYSTEM WITH HUMAN HEAT DETECTION smart paper boy 8 1,330 29-09-2011 10:07 AM Last Post: seminar addict Kinetic Energy recovery System Gourav2 5 1,924 2909-2011 09:55 AM Last Post: seminar addict Doubly-Fed Induction Generator for Variable Speed Wind Energy Conversion Systems smart paper boy 2 473 29-09-2011 09:50 AM Last Post: seminar addict Wireless mobile charging through Microwaves ajaysekar 3 374 29-09-2011 09:48 AM Last Post: seminar addict multimedia streaming technology in 4g mobile communication systems sumathi.s 2 141 28-09-2011 10:03 AM Last Post: smart paper boy This Page May Contain What is PREPAID ENERGY METER USING GSM MOBILE And Latest Information/News About PREPAID ENERGY METER USING GSM MOBILE,If Not ...Use Search to get more info about PREPAID ENERGY METER USING GSM MOBILE Or Ask Here M.C.E.NILANGA

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------------------------------------------------------------------------------===All materials belong to respective owners. No copyright infringement=== See Privacy And Policy If You Feel Any Copy Right Infringement Please Us: "remsh{at}gmail.com" or "omegawebs{at}gmail.com" Or Do As Follows please legal ppt pdf doc files In Partner Review Of And News discussion forum & Seminar and Projects <> Powered by MyBB. PREPAID ELECTRICITY BILLING SYSTEM USING GSM Abstract M.C.E.NILANGA

Santosh Bhagat Som

Page 70


The short message system (SMS) of a standard mobile phone can be used for much more than just exchanging cryptic message. This application finds a humble mobile working for controlling external equipments. The SMS service provides by the service providers are comparatively low cost. Hence the system is highly efficient and low-cost. Mobile phones have become a widespread means of communication. It becomes a part of everyday life with ever more people enjoying the service and extra freedom they provide. It works on the basis of Global System for Mobile Communication (GSM). A subscriber from any systems can access telecommunication services by using a Subscriber Identify Module (SIM) card in a handset suitable for the network on the visited system The Short Message Service allows text messages to be sent and received to and from mobile telephones. The text can comprise words or numbers or an alphanumeric combination. Because Simple person - to - person messaging is such an important component of total SMS traffic volumes, anything that simplifies message generation as well as extended utility of the SMS being sent is an important enabler of Short Message Service. We will connect hardware kit i.e. GSM modem and microcontroller to the energy meter. The main aim of M.C.E.NILANGA

Santosh Bhagat Som

Page 71


this project is whenever u r recharging with some amount say example Rs.100/- by doing SMS to the MODEM, the bulb gets automatically ON until your recharge gets zero. After getting your balance zero your device gets automatically switched OFF and you will get a message from the MODEM that you have to recharge your mobile and the process takes place continuously. Block diagram: Hardware Used: AT command ing GSM mobile phone. 89c51 Microcontroller Max 232 IC. DB9 Connector GSM Phone SOFTWARE USED: 1. Keil u-Vision Keil Software is used provide you with software development tools for 8051 based microcontrollers. With the Keil tools, you can generate embedded applications for virtually every 8051 derivative. The ed microcontrollers are listed in the Ã‚Âµvision. 2. PRO51 Programmer Software M.C.E.NILANGA

Santosh Bhagat Som

Page 72



Thank given by 29-06-2010, 04:18 PM Post: #2 computer science topics View Member Profile Find Member's Topics Find Member's Posts Project Phobia Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 610 ed: Jun 2010 Thanks: 4 36 thank was given in 31 posts

M.C.E.NILANGA

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Page 73



------------------------------------------------------------------------------Presented By: Binu J ------------------------------------------------------------------------------A scheme of Electricity billing system called PREPAID ENERGY METER WITH TARIFF INDICATOR can facilitate in improved cash flow management in energy utilities and can reduces problem associated with billing consumer living in isolated area and reduces deployment of manpower for taking meter readings. Every consumer can buy a memory card (is nothing but an EEPROM IC) with a stored inside it using a MC program. The memory card is available at various ranges (ie. Rs 50, Rs 100, Rs 200 etcÂ¦).In our project we have given the name for M.C.E.NILANGA

Santosh Bhagat Som

Page 74


memory card as smart card. When the consumer insert a smart card into the card reader which is connected in prepaid energy meter with tariff indicatorkit.Then the card reader will read the stored information and delete the information from the EEPROM IC(smart card) using the MC program. So that the smart card cannot be reused by others. Suppose if a consumer buy a card for Rs.50/- he / she can insert this amount through the card reader so that prepaid energy meter with tariff indicator kit will be activated. According to the power consumption the amount will be reduced. When the amount is over, the relay will automatically shutdown the whole system. In our project we also have a provision to give an alarm sound to consumer before the whole amount is reduced.


Santosh Bhagat Som

Page 75



RE: PREPAID ENERGY METER USING GSM MOBILE sir,i need full report of this topic.that report contains minimum 25 pages ------------------------------------------------------------------------------sir this report is too short ------------------------------------------------------------------------------sir,iwant more details M.C.E.NILANGA

Santosh Bhagat Som

Page 76




M.C.E.NILANGA

Santosh Bhagat Som

Page 77




Thank given by 09-10-2010, 03:40 PM Post: #5 projectsofme View Member Profile Find Member's Topics Find Member's Posts Project Seminar Technology Expert Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 1,123 ed: Jun 2010 M.C.E.NILANGA

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RE: PREPAID ENERGY METER USING GSM MOBILE MODIFIED LOW-COST ENERGY METER USING ADE7757 INTRODUCTION The low-cost energy meter project as published in May’05 issue of EFY, which made use of 8-digit, 7segment displays in conjunction with two counter[censored] display driver ICs MM74C926 and a 5V power supply, has been modified to display the KWH reading on an 8- digit LCD calculator in an identical manner, thereby doing away with a large number of components. The modified circuit diagram is shown here in Fig.1. Difficulty had been experienced regarding non-availability and high price of counter[censored]-LED display driver IC MM74C926 (IC6 and IC7), which led us to present this alternate scheme. An 8-digit LCD calculator with character display height of 0.56" for good visibility has been used. Connection method. Output from collector (pin 5) and emitter (pin 4) of MCT2E optocoupler (IC3) is extended to ‘=’ terminals on the PCB inside the calculator. To make M.C.E.NILANGA

Santosh Bhagat Som

Page 79


things easy for the customer, M/S Kits ‘N’ Spares will supply the calculators with the connection from the ‘=’ terminals brought out. Thus the customer has to simply connect the ‘red’ and ‘black’ leads from the calculator to collector pin 5 and emitter pin 4 of IC3 of Energy meter PCB. A 2-pin connector is used on the PCB for terminating output (100 pulses per KWH unit) from IC3 optocoupler. Note. Shorting links for J1 and J2 and J3 determine output frequency on CF pin of IC1. In this application, J1 and J2 select logic 1 (short pins 2 to3) and J3 selects logic 0 at pins 8, 9 and 10 respectively to get 100 pulses per KWH. An actualsize PCB layout for the circuit of Fig. 1 is shown in Fig.2, while its component layout is shown in Fig. 3. The fresh parts list using identical parts designation is given in the box. Activation procedure. The calculator has its own supply from a coin cell, which can last for a long period without replacement. Follow the simple steps given below for its activation: (a) Switch on the calculator. (b) Press decimal Key ‘.’, followed by entry of two zeros ‘00’. © Press plus key ‘+’ followed by entry of decimal, zero and one ‘.01’. The reading on calculator LCD screen shows ‘0.01’ Now you can switch on your energy meter and its load. On receiving the first pulse via optocoupler (IC3), the reading will continue to show 0.01. With each M.C.E.NILANGA

Santosh Bhagat Som

Page 80


successive pulse the reading will increment by .01 to show ‘0.02’, ‘0.03’, ———‘.08’‘0.09’, ‘0.10’ and so on as was the case when original circuit/PCB was used. Hence the reading will be identical. Cost advantage. M/S Kits ‘N’ Spares have decided to on the cost advantage of Rs.500/-, as a result of use of this alternate method, to the customers. The redundant items, as mentioned above, will not be supplied by M/S Kits ‘N’ Spares with the kit, while calculator will be included as part of the kit. For more information about this article,please follow the link: http://www.google.co.in/url?sa=t&source=...b__Boons sw


M.C.E.NILANGA

Santosh Bhagat Som

Page 81


Thank given by Rating Thread Rating: 0 Votes - 0 Average12345 PREPAID ENERGY METER USING GSM MOBILE Options View a Printable VersionSend this Thread to a FriendSubscribe to this threadThreaded ModeLinear Mode « Next Oldest · Next Newest » Share PREPAID ENERGY METER USING GSM MOBILE To Your Friends :-

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Last Post: seminar addict AUTOMATIC ENERGY SAVING SYSTEM WITH HUMAN HEAT DETECTION surejmonsr 1 101 Yesterday 10:00 AM Last Post: seminar addict inductance,capacitance,frequency meter jeewak 0 19 04-10-2011 12:33 PM Last Post: jeewak GSM Based Automatic Energy Meter Reading seminar class 20 5,067 03-10-2011 09:47 AM Last Post: seminar addict AUTOMATIC ENERGY SAVING SYSTEM WITH HUMAN HEAT DETECTION smart paper boy 8 1,330 29-09-2011 10:07 AM Last Post: seminar addict Kinetic Energy recovery System Gourav2 5 1,924 2909-2011 09:55 AM Last Post: seminar addict Doubly-Fed Induction Generator for Variable Speed Wind Energy Conversion Systems smart paper boy 2 473 29-09-2011 09:50 AM Last Post: seminar addict Wireless mobile charging through Microwaves ajaysekar 3 374 29-09-2011 09:48 AM Last Post: seminar addict M.C.E.NILANGA

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multimedia streaming technology in 4g mobile communication systems sumathi.s 2 141 28-09-2011 10:03 AM Last Post: smart paper boy This Page May Contain What is PREPAID ENERGY METER USING GSM MOBILE And Latest Information/News About PREPAID ENERGY METER USING GSM MOBILE,If Not ...Use Search to get more info about PREPAID ENERGY METER USING GSM MOBILE Or Ask Here


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Tags: PREPAID, ENERGY, low cost energy meter using ade7757, prepaid energy meter using pic, METER, USING, MOBILE, PREPAID ENERGY METER USING GSM MOBILE, PREPAID ENERGY METER USING GSM MOBILE ppt, PREPAID ENERGY METER USING GSM MOBILE pdf, prepaid energy meter ppt, prepaid energy meter project report, prepaid energy meter pdf, prepaid energy meter using smart card, prepaid energy meter circuit, prepaid energy meter at89s52, prepaid energy meter in india, prepaid energy meter using 8051, prepaid energy meter manufacturers, Pages (4): 1 2 3 4 Next » 18-04-2010, 09:31 PM Post: #1 project topics View Member Profile Find Member's Topics Find Member's Posts Project Seminar Technology Expert Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2,396 ed: Mar 2010 Thanks: 34 105 thank was given in 89 posts M.C.E.NILANGA

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PREPAID ENERGY METER USING GSM MOBILE PREPAID ENERGY METER USING GSM MOBILE.docx (Size: 32.12 KB / s: 753) PREPAID ELECTRICITY BILLING SYSTEM USING GSM Abstract The short message system (SMS) of a standard mobile phone can be used for much more than just exchanging cryptic message. This application finds a humble mobile working for controlling external equipments. The SMS service provides by the service providers are comparatively low cost. Hence the system is highly efficient and low-cost. Mobile phones have become a widespread means of communication. It becomes a part of everyday life with ever more people enjoying the service and extra freedom they provide. It works on the basis of Global System for Mobile Communication (GSM). A subscriber from any systems can access telecommunication services by using a Subscriber Identify Module (SIM) card in a handset suitable for the network on the visited system The Short Message M.C.E.NILANGA

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Service allows text messages to be sent and received to and from mobile telephones. The text can comprise words or numbers or an alphanumeric combination. Because Simple person - to - person messaging is such an important component of total SMS traffic volumes, anything that simplifies message generation as well as extended utility of the SMS being sent is an important enabler of Short Message Service. We will connect hardware kit i.e. GSM modem and microcontroller to the energy meter. The main aim of this project is whenever u r recharging with some amount say example Rs.100/- by doing SMS to the MODEM, the bulb gets automatically ON until your recharge gets zero. After getting your balance zero your device gets automatically switched OFF and you will get a message from the MODEM that you have to recharge your mobile and the process takes place continuously. Block diagram: Hardware Used: AT command ing GSM mobile phone. 89c51 Microcontroller Max 232 IC. DB9 Connector GSM Phone M.C.E.NILANGA

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SOFTWARE USED: 1. Keil u-Vision Keil Software is used provide you with software development tools for 8051 based microcontrollers. With the Keil tools, you can generate embedded applications for virtually every 8051 derivative. The ed microcontrollers are listed in the Ã‚Âµvision. 2. PRO51 Programmer Software


Thank given by 29-06-2010, 04:18 PM Post: #2 computer science topics View Member Profile Find Member's Topics Find Member's Posts M.C.E.NILANGA

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Project Phobia Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 610 ed: Jun 2010 Thanks: 4 36 thank was given in 31 posts


------------------------------------------------------------------------------Presented By: Binu J -------------------------------------------------------------------------------

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A scheme of Electricity billing system called PREPAID ENERGY METER WITH TARIFF INDICATOR can facilitate in improved cash flow management in energy utilities and can reduces problem associated with billing consumer living in isolated area and reduces deployment of manpower for taking meter readings. Every consumer can buy a memory card (is nothing but an EEPROM IC) with a stored inside it using a MC program. The memory card is available at various ranges (ie. Rs 50, Rs 100, Rs 200 etcÂ¦).In our project we have given the name for memory card as smart card. When the consumer insert a smart card into the card reader which is connected in prepaid energy meter with tariff indicatorkit.Then the card reader will read the stored information and delete the information from the EEPROM IC(smart card) using the MC program. So that the smart card cannot be reused by others. Suppose if a consumer buy a card for Rs.50/- he / she can insert this amount through the card reader so that prepaid energy meter with tariff indicator kit will be activated. According to the power consumption the amount will be reduced. When the amount is over, the relay will automatically shutdown the whole system. In our project we also have a provision to give an alarm M.C.E.NILANGA

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sound to consumer before the whole amount is reduced.


Thank given by 20-07-2010, 06:09 AM Post: #3 faseela o a View Member Profile Find Member's Topics Find Member's Posts Knowledge Hunter Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2 ed: Jun 2010 Thanks: 0 0 thank was given in 0 posts M.C.E.NILANGA

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Thank given by 20-07-2010, 06:16 AM Post: #4 M.C.E.NILANGA

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faseela o a View Member Profile Find Member's Topics Find Member's Posts Knowledge Hunter Hey...Ask More Info About PREPAID ENERGY METER USING GSM MOBILE Posts: 2 ed: Jun 2010 Thanks: 0 0 thank was given in 0 posts



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RE: PREPAID ENERGY METER USING GSM MOBILE MODIFIED LOW-COST ENERGY METER USING ADE7757 INTRODUCTION The low-cost energy meter project as published in May’05 issue of EFY, which made use of 8-digit, 7segment displays in conjunction with two counter[censored] display driver ICs MM74C926 and a 5V power supply, has been modified to display the KWH M.C.E.NILANGA

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reading on an 8- digit LCD calculator in an identical manner, thereby doing away with a large number of components. The modified circuit diagram is shown here in Fig.1. Difficulty had been experienced regarding non-availability and high price of counter[censored]-LED display driver IC MM74C926 (IC6 and IC7), which led us to present this alternate scheme. An 8-digit LCD calculator with character display height of 0.56" for good visibility has been used. Connection method. Output from collector (pin 5) and emitter (pin 4) of MCT2E optocoupler (IC3) is extended to ‘=’ terminals on the PCB inside the calculator. To make things easy for the customer, M/S Kits ‘N’ Spares will supply the calculators with the connection from the ‘=’ terminals brought out. Thus the customer has to simply connect the ‘red’ and ‘black’ leads from the calculator to collector pin 5 and emitter pin 4 of IC3 of Energy meter PCB. A 2-pin connector is used on the PCB for terminating output (100 pulses per KWH unit) from IC3 optocoupler. Note. Shorting links for J1 and J2 and J3 determine output frequency on CF pin of IC1. In this application, J1 and J2 select logic 1 (short pins 2 to3) and J3 selects logic 0 at pins 8, 9 and 10 respectively to get 100 pulses per KWH. An actualsize PCB layout for the circuit of Fig. 1 is shown in Fig.2, while its component layout is shown in Fig. 3. M.C.E.NILANGA

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The fresh parts list using identical parts designation is given in the box. Activation procedure. The calculator has its own supply from a coin cell, which can last for a long period without replacement. Follow the simple steps given below for its activation: (a) Switch on the calculator. (b) Press decimal Key ‘.’, followed by entry of two zeros ‘00’. © Press plus key ‘+’ followed by entry of decimal, zero and one ‘.01’. The reading on calculator LCD screen shows ‘0.01’ Now you can switch on your energy meter and its load. On receiving the first pulse via optocoupler (IC3), the reading will continue to show 0.01. With each successive pulse the reading will increment by .01 to show ‘0.02’, ‘0.03’, ———‘.08’‘0.09’, ‘0.10’ and so on as was the case when original circuit/PCB was used. Hence the reading will be identical. Cost advantage. M/S Kits ‘N’ Spares have decided to on the cost advantage of Rs.500/-, as a result of use of this alternate method, to the customers. The redundant items, as mentioned above, will not be supplied by M/S Kits ‘N’ Spares with the kit, while calculator will be included as part of the kit. For more information about this article,please follow the link: M.C.E.NILANGA

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