An energy meter is used to measure the energy consumed in the kilowatt hours. Eddy current generated in disc by the voltage coil. Residential electrical metering for over 100 years, ges metering solutions have provided utilities with a dependable partner known for our robust and quality metering platform. Smart card, which is the switch, gives information about the limitation of units.
An electronic energy meter eem functionally outperforms the traditional ferraris wheel meter. If this works ok, plan to build another box with 3 meters in it. An electronic energy meter eem functionally outperforms the traditional ferrari’s wheel meter. So, electronic type of threephase energy meter is explained below with its working principle. Ppt prepaid energy meter powerpoint presentation free to.
Electronic energy meters are accurate, precise and reliable type of measuring instruments when compared to electromechanical induction type meters. The power companies benefits from eem in three significant ways. The ad775x family of energymeasuring integrated circuits accepts voltage inputs. The watthour meter works on the induction principle. It has a rotating aluminium wheel called ferriwheel and many toothed wheels.
Electronic energy meter on sales quality electronic energy. One unit equals one kwh killowatthour or watthours. So the eem is known as static energy meter in eem the accurate functioning is controlled by a specially designed ic called asic application specified integrated circuit. The three phase energy meter has two discs mounted on the common shaft. Energy meter working principle and construction electronic. Pdf automatic energy meter reading using smart energy meter. Prepaid electricity energy meter is a good concept in which you can recharge its balance, like we do in our mobile phones. Electrical energy meters principles and applications. Basic electronic meters are not just more costeffective than mechanical meters, but offer further benefits. The energy meter reading is compared with the smart. Jul 25, 2018 we cannot think of life without electricity and when there is electricity consumption there is a need to measure its consumption. The primary controller collects information from energy meter as well as from the smart card.
The meter is connected in series with the components by breaking the circuit. Bidirectional metering is available to customers who install renewable fuel generators such as solar, wind, hydro or biomass sources and operate the generator in parallel with their electric companys electrical system. It enables systematic pricing of energy consumed by individual consumer as it measures the amount of electrical energy consumed by a residence, business, or. Sep, 2011 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. A free powerpoint ppt presentation displayed as a flash slide show on id. Allelectronic power and energy meters analog devices. Trivector meter is an energy meter which accurately measures all the parameters of supply such as voltage, current, power factor, active load, reactive load, apparent load etc. In order to accurately measure the electronic energy used for a electronic energy meter, suitable hardware and software have to be designed. Energy meter circuit detailed project with source code. The torque of both the elements is added mechanically, and the total rotation of the shaft is proportional to the three phase energy consumption.
The single phase electrical energy meter principle block diagram is shown in fig. As in the block diagram, the meter has a power supply, a metering engine, a processing and communication engine i. Study of single phase induction type energy meter or watt. Digital multimeter working principle analyse a meter. Energy meters are the basic part to measure the power consumption. Modern solidstate electronic energy meters also knows as kilowatthour meters, etc. Electronic energy meters these are of accurate, high procession and reliable types of measuring instruments as compared to conventional mechanical meters. The basic electronic energy meter senses the current and voltage which signals from the circuitry, converts them in to the digital signal and.
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. Jun 30, 2018 working principle and construction of energy meter video lecture of measurement of capacitance chapter in subject electronic instrumentation and measurement for electrical, electronics, extc. Based on the flow of current, the ferriwheel rotates which makes rotation of other wheels. The i210 product line brings innovative and flexible technology solutions that covers all your metering needs from basic electronic energyonly meters. Oct 30, 2017 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 energy is the total power consumed and utilised. Prepaymentprepaid energy meter introduction and working. The energy is the total power consumed and utilised by the load at a particular interval of time. After calibrating voltage, the meter can be calibrated in terms of ohms.
Handbook on electricity meters asiapacific economic cooperation. It is often incased in glass and has a disk that rotates that. Electronic single phase watthour meter adopts largescale ic, the latest microelectronic technologies and smt techniques. 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. It is used in domestic and industrial ac circuit for measuring the power consumption. An electricity meter is a device which measures the total electrical energy or electricity consumed by the appliances which draw electrical energy from the main power supply at a house or an official space and so on.
Electronic single phase watthour meter adopts largescale ic, the latest micro electronic technologies and smt techniques. Presented here is a simple energy meter using analog devices ade7757 chip for singlephase, 2wire phase and neutral systems used in households. What is the working principle of energy meter answers. A 3phase energy meter has same elements as in case of a singlephase energy meter. One important advantage of eem is that in non linear loads, its metering is highly accurate and electronic measurement is more robust than that of the conventional mechanical meters. Working the microcontroller at89s52 acts as the primary controller. We cannot think of life without electricity and when there is electricity consumption there is a need to measure its consumption. It is used everywhere, no matter how big or small consumption it is. Energy meter an energy meter is a device that measures the amount of electrical energy consumed by a residence, business, or an electrically powered device. Working principle and construction of energy meter video lecture of measurement of capacitance chapter in subject electronic instrumentation and measurement for electrical, electronics, extc. Digital multimeter working principle electrical a2z.
Finally plan to test the 120v meter on my honda 6500w generator which outputs 30a at 240v on one of the connectors. Majharul islam08 kazi mahmudul hasan11 shahjalal university of science and technology,sylhet3114 dept. Electricity meter integrated circuits and reference designs. This meter is able to perform current, voltage and. The following is a basic explanation of how bidirectional metering works.
Electrical energy meters for partial consumption electronic threephase energy meter with indirect connection, assembly on din rail or adaptable to panels electronic threephase meter active and reactive energy with indirect connection for din rails or adaptable to a panel. The key parameters calculated during energy measurements are root mean square rms current and voltage, active and reactive power and energy, power factor, and frequency. This meter is able to perform current, voltage and power measurements in three phase supply systems. 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. This is the power which is used to drive the shaft in the electric motor. Electromechanical energy meters engineer experiences. Jul 25, 2018 energy meters are the basic part to measure the power consumption. The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. Here we discuss the construction and working principle of induction type energy meter. Mar 28, 2017 the function of recording or registering mechanism is to record continuously a number on the dial which is proportional to the revolutions made by the moving system. Vapor recovery monitoring or contact us by phone, fax, or email.
The meter is based on reliable, field proven digital multiplication measurement technique. Electronic energy meter industrial applications vishay. It consumes less power and starts measuring instantaneously when connected to load. Energy meter is an electrical measuring device, which is used to record electrical energy consumed over a specified period of time in terms of units. The function of recording or registering mechanism is to record continuously a number on the dial which is proportional to the revolutions made by the moving system. In every residence, malls, industry, everywhere energy meters are used to measure the electrical energy consumed. Electronic meters need for prepaid energy meter system. The aim of this project is to design a sample meter can accurately display real voltage. 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.
If a meter is used in combination with a current transformer. Implementation of a singlephase electronic watthour meter. An electric meter or energy meter is an essential device that goes with consumption of commercially distributed energy. A list of some manufacturers of electronic voltmeters, ammeters, and oscilloscopes is. As shown in the block diagram, in a typical digital multimeter the input signal i. Our integrated circuits and reference designs help you create smarter electricity meters with advanced security and connectivity features to meet system design requirements. What is the solution for the drawbacks of commonly used energy meters. Working on a 240v meter in a box which i will have done soon to test my amateur radio linear amplifier. The electronic energy meter is also better protected against tampering than its mechanical predecessor, and units for prepaid operation e. When connected to loads, they consume less power and start measuring instantaneous.
The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. The software supports calculation of various parameters for singlephaseenergy measurement. The concept of pem prepaid energy meter is very similar to prepaid mobile system, you recharge and spend accordingly. Electronic energy meter or electricity meter introduction and working. In this case, the reading is the current through the resistor and led. Working principle and construction of energy meter video lecture of measurement of capacitance chapter in subject electronic. The current and the voltage acted on the solid state electronic components. Pdf it is undoubtedly that in the future, energy would cost more as the direct result. 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. But these are now being gradually replaced by electronic digital energy meters. Pdf electronic energy meter with remote monitoring and billing. What are the advantages and disadvantages of usual energy meters. It enables systematic pricing of energy consumed by individual consumer as it measures the amount of electrical energy consumed by a residence, business, or an electrically powered device 1. As their name suggest, electromechanical energy meters are the combination of mechanical and electrical technology.
A mechanical disk present inside the meter rotates when the load applied. Ppt prepaid energy meter powerpoint presentation free. Mar 27, 2016 there are basically 3 types of energy meters. The focus meter was designed to be a lowcost, solidstate, kwhonly meter as an alternative metering and amr platform to the induction meter. Electromechanical energy meters have been the standard for metering the electricity since billing began. Electronic energy meter is based on digital micro technology dmt and uses no moving parts. The conventional mechanical energy meter is based on the phenomenon of magnetic induction. The working principle of an electronic energy meter is a device that measures the electronic energy consumed usually in kwh.
Generally, one electronic energy meter consists of hardware and software. Digital meters are introduced, as are types of voltmeters and ammeters operating on different techniques of analogtodigital signal converters. A useful meter for measuring alternating and direct current is the clamp meter, which does not require the circuit to be broken to insert the meter. Electric utilities use electric meters installed at customers premises for billing purposes. Prepaid energy meter project using arduino circuit digest. These are electromagnetic, electronic and smart meters. The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well.
The prototype is integrated with an interval meter, mk 6 genius electric meter. The meter platform will measure energy accurately over varying environmental conditions. Meanwhile, the problem of the distorted current waveform from loads need to be considered. This is used in each and every house and industry for calculating the energy consumed by them.
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