Over the last few years, smart prepaid energy meter has been proposed as an innovative solution aimed at facilitating. This is a microcontroller based wireless energy meter, as 8051 microcontroller is used for controlling the entire system. The proposed system replaces traditional meter reading methods and enables remote access of existing energy meter by the energy provider. In this project, an intelligent gsm based prepaid energy meter is.
The meter is provided with a field to which entries can be made for this purpose ct or vt factor. The meter measures the customers electricity consumption after the meter, and the wire loss is not accounted for in the customers meter. They are typically calibrated in billing units, the most common one being the kilowatt. This meter can work as either prepaid or postpaid meter. Amit jain 7, proposed a prepaid meter using mobilecommunication in2011. Also they can monitor the meter readings regularly without the person visiting each house. It is used everywhere, no matter how big or small consumption it is. Electromechanical type the electromechanical induction meter operates by counting the revolutions of a nonmagnetic, but electrically conductive, metal disc which is made to rotate at a speed pro. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers.
Components of prepaid energy meter eeprom ic smart card at89s52 162 lcd uln2003 at2402 digital energy meter 9. The working principle of the rfid power meter begins from. Employees can read the meter by sitting in the office. A second terminal block between the current transformer and the meter simplifies service work. To understand why we must first look at the difference between an energy meter and a smart energy monitoring system like the new smappee plus, and see just how a smart energy monitoring system can improve peoples lives. Indeed, the prepaid electricity meter has a relay an automatic switch which disconnects the power when there is no units left. Gsm technology is used so that the consumer would receive messages about the consumption of power in watts and if it reaches the minimum amount, it would automatically alert the consumer to recharge.
The socalled line loss is the loss of electric energy in the transmission and transformation equipment, power supply line transmission process of the electricity, is in the user meter before. Manual billing is sometimes restricted and delayed by bad weather conditions. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device electric utilities use electric meters installed at customers premises for billing and monitoring purposes. This paper feauters a smart card secure solution for a novel prepaid electricity system. Controlling of electricity theft using smart prepaid energy meter. Whats the difference between an energy meter and a smart. The conventional billing strategies had several drawbacks and man made errors. When measurements are performed with upstream transformers, the displayed energy value must be multiplied by the transformation ratios.
Prepaid energy meter has been implemented in several countries. Single phase intelligent gsm based prepaid energy meter. Components of prepaid energy meter eeprom ic smart card at89s52 162 lcd. Meter installed at erf boundry, but the keypad is in the house which make readings credits accessible. Design and implementation of smart energy meter ieee. The electricity consumption meter shown in the figure facilitates the billing of energy meter along with load control using wireless gsm technology. It enables systematic pricing of energy consumed by individual consumer as it measures the amount of electrical energy consumed by a residence, business, or.
As wireless energy meters become more common for homes in the u. This test is fragmented in two parts one is emission tests, and the other is immunity test. To learn more about lm35 temperature sensor working, pin out and formula to calculate temperature go through the below tutorial. Here we discuss the construction and working principle of induction type energy meter. This energy meter includes an arm7 microcontroller, lcd display, gsm module, potential transformers, current transformers and a relay. The system also alerts when the payment was not cleared. Meter unleashes power automatically when energy reading credit reaches zero 0. The aim of the project is to automate the prepaid billing of energy meter and water meter.
In this way, consumers hold credit and then use the electricity until the credit is exhausted. Utilities are one of the electrical departments, which install these instruments at every place like homes, industries, organizations, commercial buildings to charge for the electricity consumption by loads such as lights, fans, refrigerator, and other home appliances. It is used in domestic and industrial ac circuit for measuring the power consumption. Electronic energy meter industrial applications vishay. Prepaid energy meter with gsm interface authorstream. Controlling of electricity theft using smart prepaid. Nordiana rajaee hereby certifies that the work entitled prepaid energy meter system was prepared by the above named student, and was submitted. In this system he used controller unite, prepaid card and communication module. The gsm technology is used so that the consumer would receive messages about the. So, electronic type of threephase energy meter is explained below with its working principle. Energy meter, gsm technology, microcontroller at89s52, prepaid card, relay, putty software. Even this is an advanced technology it cannot cover the remote area. This requires large number of labor operators and long working hours to accomplish the task.
Previously we have built a energy meter circuit which sends you sms about the bill using gsm module. Nov 26, 2012 components of prepaid energy meter eeprom ic smart card at89s52 162 lcd uln2003 at2402 digital energy meter 9. In this project, the energy value keeps a server and each user are supplied an energy meter. Building a prototype prepaid electricity metering system.
Finally, the principle of the software is the paced loop. In this project the front end is user friendly and the employees can work on this software with minimum knowledge of computers. Mejbauihaque 6 develop a microcontroller based single phase digitalprepaid energy meter for improved meter and billing system. The work system adopts a totally new concept of prepaid energy meter. Prepaid energy meter using gsm is used to record consumed units and send an alert to user via gsm. Fawzi alnaina and bahaa jalil8,built a prototyping. The printed billing also has the tendency of getting lost. The main objective of this prepaid energy meter project is to minimize the illegal usage of electricity. Manual billing is sometimes restricted and delayed by bad weather. Prepaid energy meters are based on the principle of microcontroller application. The main point of this project is to connect the entire prepaid energy meters to the electricity company. Design and implementation of wireless energy meter system for. Pdf microcontroller based single phase digital prepaid energy.
Prepaid meters have being widely adopted by utilities in different countries. Aug 30, 2017 as wireless energy meters become more common for homes in the u. In conclusion, hardware and software were designed to deal with the problem of the current waveform and accurately display real voltage, current, power and energy used in one day. An energy meter is a device that measures the amount of electrical energy consumed by a residence, business, or an electrically powered device. Meteris my own work except as cited in the references. The meter can realize prepaid mode by paying first and using later.
Prepaid energy meter using smart card by, k keerthi sheela, t v v s lakshmi, k suresh kumar. Electricity users can buy specific amount of energy to use it only when they needed. Eniscope energy solution energy monitoring system,web. The energy meter has the aluminium disc whose rotation determines the power consumption of the load. At a particular balance value, the user is notified through an sms which is sent via gsm.
In conditions of prepaid mode, electricity consumer purchases amount at first and the meter subtracts the remaining credit amount equivalent to the consumption. Figure 6 real time implementation of prepaid energy meter with gsm technology v. The working of this interfacing of prepaid energy meter with gsm modem system would be explain by connecting the lamp as a load at the output side of the energy meter. This will reduce the energy wastage and save lot of energy for future use. Design and implementation of wireless energy meter system. Whats the difference between an energy meter and a.
Prepaid energy meter using gsm engineering projects. In this way, consumers hold credit and then use the electricity until the credit is. Prepaid energy meter project using gsm and pic microcontroller. Power consumed is shown by the energy meter in form of 1 unit or 1 kilo watt hour of energy consumed. When meter balance reaches zero, the meter switches off the electricity that powers your house. Its facilitates the exemption from electricity bills. Electronic meters need for prepaid energy meter system. The block diagram of this project mainly includes power supply unit, a microcontroller, smart card reader, energy meter, buzzer, relay, lcd, smart and led indicators. When connected to loads, they consume less power and start measuring instantaneous. In this project we are building a automated system by using arduino and gsm module. The prepaid card goes all the way inside the meter. Prepaid electricity energy meter is a good concept in which you can recharge its balance, like we do in our mobile phones. Microcontroller based wireless energy meter working. Every electronic circuit needs appropriate power supply for its operation.
Energy is purchased beforehand by entering coded number code into the meter. First, when we would be switch on this system then this would be asking for modem initialization. An electric meter or energy meter an electric meter or energy meter is a device that measures the amount of electrical energy supplied to or produced by a residence, business or machine electromechanical meters ac voltage load indicator voltage coil current coil al dial permanent magnet i. Basically like in a mobile phone recharging, the consumer buys a recharge card and gets some energy units in return for the balance amount. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. What are the advantages and disadvantages of usual energy meters. An electromagnetic compatible test is the most important test which finally ensures the accuracy of the energy meter.
Prepaid energy meter is an advantages concept for the further. This meter needs to be calibrated and sealed so the client cannot mess with it. The internal nonvolatile memory of the microcontroller is used to store the consumed electricity. It is to upload the amount recharge in form of electrical energy. What is the solution for the drawbacks of commonly used energy meters. Prepaymentprepaid energy meter introduction and working. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device. The proposed system uses a controller in addition to a power meter.
Prepaid energy meter project using arduino circuit digest. Hxe34kp three phase four wire prepaid keypad meter is designed for the purpose of prepayment. This paper uses costbenefit analysis to assess the adoption of prepaid. Prepaid energy meter with gsm technology open access journals. Electric utilities use electric meters installed at customers premises for billing and monitoring purposes. The shunt magnet has the pressure coil, and the series magnet has the current coil. In fact, the disadvantage of the system is the behavior control of the users. Types of energy meters and their working principles elprocus. This meter is able to perform current, voltage and power measurements in three phase supply systems. The disc is placed between the air gap of the series and shunt electromagnet. Similar to our prepaid sim card used in mobile phones were the customer can call until the amount is used af.
In this project we make a smart electricity energy meter using arduino and esp8266 wifi module which can not only sends you a smsemail of your electricity bill but also you can monitor the energy uses anytime and from anywhere in the world. The energy is the total power consumed and utilised by the load at a particular interval of time. Those consumers which consume large energy needs better technology to manage their energy consumption and need more data to improve their services. Lots of time and power saving for electricity department. The microcontroller will accept the number of units recharged by the concerned department person, counts the number of units consumed by the customer and as soon as the customer exceeds the recharged amount, it will disconnect the power supply to the customer until the next recharge.
The balance amount will keep reducing for every unit of energy consumed and once zero, the power supply would be automatically cut off. Electricitity users can by specific amount of energy to use it only when they needed. A smart card based prepaid electricity system the purpose of this project is to design and develop an intelligent energy metering system that can efficiently control the amount of electricity consumed by the user. Hence both the lm35 and adc0804 are now working at 10 mv change.
You can recharge the electricity balance through this system, just by sending a sms. The conventional method of electricity billing involves a person from the distribution unit reading the number of units of electricity consumed in the energy meter, conveying this information to the distribution unit, and then preparing the bill according to the units consumed for a fixed amount of time. Electricity theft control using smart prepaid energy meter. The energy meter that allows the customer to pay for utilities in advance before consuming is called prepaid meter. Electricity coupons will be available at nearby shops. Its main functions include energy measurement, data display, communication, prepayment, contactor control, keypad input and inquiry, antitampering, etc. Jun 23, 2015 when meter balance reaches zero, the meter switches off the electricity that powers your house. Here we have interfaced electricity energy meter with arduino using the pulse led calibration or cal of electricity energy. An electric meter or energy meter is an essential device that goes with consumption of commercially distributed energy. Pdf towards design of a smart prepaid gas metering system.
Working principle of digital energy meter output in form of frequency. Principle wem monitors the energy consumption for a single phase supply. Electricity theft control using smart prepaid energy meter i. The electronic energy meter is also better protected against tampering than its mechanical predecessor, and units for prepaid operation e.
The basic principle of the prepayment system is the reverse of the. When you top up, the meter balance increases and the relays lets electricity flows again. Electrical energy meters principles and applications. For a client to pay the electrical bill, heshe should install an energy meter which.
Conclusion the design of smart energy meter using gsm technology can make the users to pay for the electricity before its consumption. User can recharge number of units required prepaid system. Initially, when the load is connected to the prepaid energy meter the consumption of the energy by the connected load takes place. The word prepaid means pay before use one of the advantageous feature of this concept prepaid energy meter is used to prepaid the.
Iot based electricity energy meter using esp12 and arduino. Prepaid energy meter with gsm technology open access. In every residence, malls, industry, everywhere energy meters are used to measure the electrical energy consumed. The electromagnetic interference problem is very common today. It is used to reduce power theft in commercial areas. Apl sem 1p v2 singlephase keypad prepayment energy meter takes amount as its electricity billing. Prepaid energy meter with gsm modem using pic microcontroller. Working principle prepaid energy meter with gsm modem. This is achieved by interfacing energy meter with smart card technology.