China ansi energy meter, china ansi energy meter shopping. The working of single phase induction type energy meters are based on two main fundamentals. Study of single phase induction type energy meter or watt. The working principle of an electronic energy meter is a device that measures the electronic energy consumed usually in kwh.
Pel amr enabled meters are based on rf and gsmgprs technologies. The working principle of the electrodynamometer wattmeter is very simple and easy. The meter which is used for measuring the energy utilises by the electric load. This is used in each and every house and industry for calculating the energy consumed by them. Overview of single phase induction type energy meter. Induction meter includes types such as induction voltmeters. By implementing the watthour meter, we can know how much amount of electrical energy. Induction type energy meter used invariably to measure the energy consumed in any a. The electronic energy meter is also better protected against tampering than its mechanical predecessor, and units for prepaid operation e. This electronic meter does not possess any rotating parts, and the. If one uses one kilowatt in onehour duration, one unit of energy gets consumed. In principle, a sealed time switch can also be used, but is considered more.
Jun 08, 2016 thus we need an integrating instrument which can measure and record the energy consumed by the load under varying load condition. Pdf a single phase microcontroller based energy meter. The aluminium disc is supported by a spindle which has a worm gear which drives the register. Working principle and construction of energy meter video lecture of. An aluminium disc is placed inside a magnetic core with two limbs. About 45% of these are testing equipment, 0% are other test instruments. Moreover, the working principle of a watthour meter is more or less similar to that of an induction type wattmeter. A measuring system with three multipliers is required for 4wire threephase systems of unbalanced load with neutral conductor n. The power threshold of reverse energy is 5% of unib.
This article is only focused about its constructional features and its working. So, electronic type of threephase energy meter is explained below with its working principle. Electronic single phase watthour meter adopts largescale ic, the latest micro electronic technologies and smt techniques. The three phase energy meter has two discs mounted on the common shaft. The basic working of single phase induction type energy meter is only focused on two mechanisms. The three phase meter is constructed by connecting the two single phase meter. Working of single phase induction type energy meter the basic working of single phase induction type energy meter is only focused on two mechanisms. What is the solution for the drawbacks of commonly used energy meters. Mar 18, 2017 single phase induction meters are very popular for domestic and industrial use because of its wide application as energy meter. This meter is able to perform current, voltage and power measurements in three phase supply systems. Single phase electricity explained wiring diagram energy meter duration.
The principle of working and construction of induction type meter is very simple and easy to understand thats why these are widely used in. Working of single phase induction type energy meter. A single phase meter is used in alternating current systems. This timely information coupled with analysis, can help both utility providers and customers better control the use and production of electric energy consumption. Single phase induction type energy meters electrical concepts. It is used in domestic and industrial ac circuit for measuring the power consumption. The most common unit of measurement on the electricity meter is the kilowatt. Energy meter works on the same principle as the induction motor. This mechanical force deflects the pointer which is mounted on the calibrated scale.
Their working depends on the theory that the current carrying conductor placed in a magnetic field experiences a mechanical force. Construction and working of single phase energy meter. A wide variety of calibration of single phase energy meter options are available to you, such as usage, power. Energy meters are the basic part to measure the power consumption.
Energy meter working principle and construction electronic. The principle of single phase prepaid electric energy. This device is available in a purely electronic form too which is known as digital wattmeter. An instrument that is used to measure either quantity of electricity or energy. This includes single phase, three phase and ltht meters. So, electronic type of three phase energy meter is explained below with its working principle. Induction meter includes types such as induction voltmeters, induction ammeters and induction watthour meters. These induction motor energy meters are designed for single phase electric. 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.
Implementation of a singlephase electronic watthour meter. A singlephase meter is used in alternating current systems. The torque of both the elements is added mechanically, and the total rotation of the shaft is proportional to the three phase energy consumption. One carries a voltage coil so its flux is proportional to. What are the advantages and disadvantages of usual energy meters. Single phase energy meter single phase induction type energy meter is also popularly known as watthour meter. Find the china ansi energy meter, find the best ansi energy meter made in china, china ansi energy meter shopping guide. When the stator of a single phase motor is fed with single phase supply, it produces alternating flux in the stator winding. Microcontroller based wireless energy meter working. 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. Jul 25, 2018 energy meters are the basic part to measure the power consumption. Types of energy meters and their working principles. 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. The magnet is placed opposite to the electromagnet used.
By implementing the watthour meter, we can know how much amount of electrical energy is used by a consumer or a residence or an electrically powered. Its composition and working principle are very different from the traditional induction meter. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures. A wide variety of single phase energy meter options are available to you, such as phase, display type.
Single phase electronic meter measuring instruments kwh meter single phase electronic meter is a full digital intelligent metering with special clip which function for energy management and also can prevent from electricity stolen. 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. When connected to loads, they consume less power and start measuring instantaneous. Single phase meter wiring diagram energy meter single. So energy meters measure the rapid voltage and curren. Electronic meters need for prepaid energy meter system. Apr 02, 2018 single phase meter wiring diagram energy meter. Pel change your life energy meter modern infrastructure. How to make free energy generator 220v with 3kw alternator and 1 hp motor recycle free electricity duration. The reverse energy indication will disappear once the reverse energy event is removed. Induction type watt hour meter or energy meter about circuit. Theory and operation phasor diagram of single phase induction type energy meter. There are different types of energy meters such as prepaid energy meters, induction type energy meters, analog or digital electric energy meters, three phase or single phase energy meters, electromechanical energy meters, microcontroller based wireless energy meters, smart energy meters and so on.
An energy meter is used to measure the energy consumed in the kilowatt hours. Prepaymentprepaid energy meter introduction and working. Working principle and construction of energy meter video lecture of measurement of capacitance chapter in subject electronic instrumentation and measurement for electrical. This paper presents a single phase electrical energy meter based on a microcontroller from microchip technology inc. Watthour meter is in fact a measuring device which can evaluate and records the electrical power passing through a circuit in a certain time. The dynamometer wattmeter works on the motor principle. The basic unit of power is watts and it is measured by using a watt meter. Thus we need an integrating instrument which can measure and record the energy consumed by the load under varying load condition.
Aug 10, 2010 the type of meter described above is used on a single phase ac supply. The simplest such instrument is single phase induction type energy meter. A simple capacitive power supply for the msp430 energy meter appropriate values of resistor r22 and capacitor c49 are chosen based on the required output current drive of the. Types of energy meters and their working principles elprocus. Electromechanical type the electromechanical induction meter operates by counting the revolutions of a nonmagnetic, but electrically. Single phase induction type energy meter construction, working principle,operation,creeping,torque equation the measurement of energy is the same process as measurement of power except that the instrument not merely indicates the power or rate of supply of energy but must take into account also the length of time for which the rate of energy is.
What is working principle of electronic energy meter answers. It can widely used in city, country or school and any enterprise. The working principle of multifunctional smart meter. The power companies benefits from eem in three significant ways. On a singlephase ac supply, the electromechanical induction meter operates through electromagnetic induction by counting the revolutions of a nonmagnetic, but electrically conductive, metal disc which. Sourcing the right ansi energy meter supplier can be timeconsuming and difficult. Mechanism of counting and displaying the amount of energy transferred. The reading on the 3ph meter would equal the sum of the three separate readings on the singlephase meters. What is the differance between digital energy meter.
As shown in the above figure, the wattmeter has two sets of coils. Particularly in this article, we are going to study about the working principles of single phase electromechanical induction type energy meter and also about three phase electronic energy meter from the explanation of two basic energy meters as described below. Chapter in subject electronic instrumentation and measurement. It is often incased in glass and has a disk that rotates that.
Working principle of watt hour meter constructionally an induction type single phase watt hour meter has many similarities to an induction type wattmeter. 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. Different phase configurations use additional voltage and current coils. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. Manufacturer of three phase electronic energy meter. A 3 phase energy meter has same elements as in case of a single phase energy meter. Single phase induction type energy meter working the control of speed is brought about by a permanent magnet called the brake magnet. The working of single phase induction type energy meters are based on. Nov 29, 2014 the traditional form of wattmeter is called as dynamometer wattmeter.
Here we discuss the construction and working principle of induction type energy meter. Single phase electromechanical induction energy meter it is a wellknown and most common type of ageold energy meter. An electric meter or energy meter is an essential device that goes with. The register is a series of dials which record the amount of energy used.
The working principle of ampere hour mercury motor energy meter is that the. Figure 3 shows a simple capacitor power supply for a single output voltage of 3. 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. Single phase induction meters are very popular for domestic and industrial use because of its wide application as energy meter. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. Energy meter working principle construction types of energy.
This is the diffrence between digital and static energy meter and we may better know that due to this different if minor load is supplied through the meter. This meter is able to perform current, voltage and power measurements in three phase supply. The construction of the single phase energy meter is shown in the figure below. About 79% of these are energy meters, 2% are power meters. Mar 02, 2017 how to make free energy generator 220v with 3kw alternator and 1 hp motor recycle free electricity duration. Electric utilities use electric meters installed at customers premises for billing purposes. Understanding the basic theory of shieldedpole shunt magnet. Induction type energy meter essentially consists of following components. An electronic energy meter eem functionally outperforms the traditional ferraris wheel meter. The principle of working and construction of induction type meter is very simple and easy to understand thats why these are widely used in measuring energy in domestic as well as the industrial world. Single phase energy meter working of single phase induction. The intelligent electronic meter is mainly composed of electronic components, its working principle is through the realtime sampling of user power supply voltage and current, and then use special electric energy meter ic processing of sampled voltage. Implementation of a singlephase electronic watthour. Constructionally an induction type single phase watt hour meter has many similarities to an induction type wattmeter.
Single phase energy meter on sales quality single phase. The neutral sides of the single phase meters do not need to be connected to the. China rs485 single phase electric meter measuring instruments. On a singlephase ac supply, the electromechanical induction meter. There are four main parts of the operating mechanism of single phase induction type.
The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. When reverse energy exists, and the current power exceeds the power threshold, then this. Mechanism of counting and displaying the amount of energy. It comprises a rotating aluminum disc placed on a spindle between two. Jul 25, 2018 watthour meter is in fact a measuring device which can evaluate and records the electrical power passing through a circuit in a certain time. What is the working principle of energy meters measure.
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. Working principle and construction of energy meter video lecture of measurement of capacitance chapter in subject electronic. The energy is the total power consumed and utilised by the load at a particular interval of time. We do not provide any control spring and pointer in an energy meter. Basic electronic meters are not just more costeffective than mechanical meters, but offer further benefits. Induction type energy meter used invariably to measure the energy. Below are the the connections diagrams for installation of a single phase 3 phase, 4 wire kwh meter digital or analog energy meter from the supply to the main distribution board in home. Single phase energy meter all you need to know toppr. It is used everywhere, no matter how big or small consumption it is. It is often incased in glass and has a disk that rotates.
In all induction meters, we have two fluxes which are produced by two different alternating currents on a metallic disc. The intelligent electronic meter is mainly composed of electronic components, its working principle. In addition to measuring energy used, electronic meters. Single phase induction type energy meters electrical. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter.
An electronic energy meter is the measuring device of the energy that consumed in kwh. The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. Arrangement of counting and displaying the amount of energy consumed. Electronic meters display the energy used on an lcd or led display, and some can also transmit readings to remote places. Single phase electronic meter 9 18 reverse energy is detected, the symbol will be shown on lcd. There are two common prestorage methods for single phase prepaid energy meter, one is code type, the other is write card type the code principle is. A simple capacitive power supply for the msp430 energy meter. Mar 27, 2016 there are basically 3 types of energy meters. 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. Multifunctional smart meter is a hightech product developed in recent years on the basis of electronic meter. The alternating current flowing through stator winding causes induced current in the. Electrical energy meters principles and applications.
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