Electromagnetic induction forms the basis for many instruments, though on only ac. Electromechanical induction type energy meter and its. This project on density based traffic light control had addressed the key stages in designing, and implementation of the practical prototype. Of these, the wattmeter and energy meter are more common, although they are costlier.
Electrical energy meters principles and applications. Construction driving system, moving system, braking syatem, and registering system 4. Jul 25, 2018 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 industrial world. Energy meters are the basic part to measure the power consumption. The energy meter thus determines and adds together or integrates all the instantaneous power values so that total energy used over a period is thus known. 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.
Apr, 2012 single phase induction type energy meter 1. A wide variety of induction meter options are available to you, such as potential, multifunctional, and industrial. Implementation of a singlephase electronic watthour meter using msp430afe2xx rev. Moreover, because of smallness of the variations of voltage and frequency in supply voltage, the accuracy of the induction meter. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures. The principle of working and construction of induction type meter is very simple. The coils of the electromagnets are energised with the help of alternating currents. Energy meter working principle and construction electronic instrumentation and measurement duration. Electrodynamometer type, induction type, single phase and three phase wattmeter, compensation, energymeters. How does a singlephase induction motor capacitor induction motor or ac motor work.
Renewable sources of energy project ppt presentation is helpful for electronics and communication students to know basics about fuel cells. It is used everywhere, no matter how big or small consumption it is. Electronic meters need for prepaid energy meter system. Electrical energy is measured in kilo watthours kwh by this energy meter. Working of single phase induction type energy meter. Energy meter is an integrating instrument which measures the total quantity of electrical energy supplied to the circuit in given period. The number of revolutions is thus proportional to the energy usage. 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. Single phase induction type energy meter is also popularly known as watthour meter. The principle of operation of an induction wattmeter is same as that of induction ammeters and voltmeters i. Introduction a transformer is an electrical device that transfers energy between two or more circuits through electromagnetic induction. Electric utilities use electric meters installed at customers premises for billing and monitoring purposes.
Ac energy measurements induction energy meter every household accuracy about 2 % current and voltage coil ac current coil eddy currents disk force to disk variable powers cause variable rotating speed day and night electricity. Handbook on electricity meters asiapacific economic cooperation. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers. However, it differs from induction ammeter or voltmeter in so far that separate two coils are used to produced the. Speed of rotation of disc is proportional to the power and this power is integrated by the use of counter. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. The simplest such instrument is single phase induction type energy meter. Induction motor seminar ppt, pdf report study mafia. 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.
Thus we need an integrating instrument which can measure and record the energy consumed by the load under varying load condition. Im is a type of asynchronous ac motor where power is supplied to the rotating device by means of electromagnetic induction. Energy meter working principle and construction electronic. The electric energy generated purchased by consumers for different needs.
Density based traffic light control system project ppt. Jun 08, 2016 thus we need an integrating instrument which can measure and record the energy consumed by the load under varying load condition. When connected to loads, they consume less power and start measuring instantaneous. 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 is made to rotate at a speed proportional to the power. Characteristic curves and important terms, types of tariffs, power factor correction and economy. What is the solution for the drawbacks of commonly used energy meters. The induction type relays are also called magnitude relays.
Scribd is the worlds largest social reading and publishing site. Circuit breakers types, principles of operation and uses, current limiting reactors, relays classification, principle of operation of induction type. Prepaymentprepaid energy meter introduction and working. Overview of single phase induction type energy meter. Electromechanical induction type energy meter and its working. Electrical transformer is a static device which transforms electrical energy from one circuit to. Mercury motors meter dc, commutator motor meter ac dc, and induction motor meter ac. Jul 25, 2018 energy meter with lag adjustment devices july 25, 2018 february 24, 2012 by electrical4u we know that in induction type energy meters, in order to maintain speed of rotation proportional to power the phase angle between supply voltage and pressure coil flux should be equal to 90 o. This instrument is an electric motor with small power. The energy is the total power consumed and utilised by the load at a particular interval of time. Electric and magnetic fields can produce forces on charges an accelerating charge produces electromagnetic waves radiation both electric and magnetic fields can transport energy electric field energy used in electrical circuits, e. Due to alternating fluxes there is an induced emf, the emf produced at one. Threephase ctpt operated keypad energy meter 10 shenzhen inhemeter co.
The construction of the single phase energy meter is shown in the figure below. Explain the principle and working of induction type energy. The principle behind the working of energy meter is emi, i. Induction type energy meter ii electrical technology ii unit 3 s. Operating principle of single phase induction type energy meter. Induction motor magnetic circuit optical fiber communication power systems special machines. What is the solution for the drawbacks of commonly used energy meters energy meter an energy meter is a device that. Powerpoint presentation on energy meters powerpoint. A single phase induction type energy meter consists of driving system, moving system, braking system and registering system. When the energy meter is connected in the circuit, the current coil carries the load current and the. Study of single phase induction type energy meter or watt.
The most common type of electricity meter is the electromechanical watthour meter. Vibrating reed type, electrical resonance type moduleii 10 hours. In these relays, a metallic disc is allowed to rotate between the two electromagnets. Ac ppt energy meters and failure analysis electromagnetic. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. Im transform electrical energy into mechanical energy. However, it differs from induction ammeter or voltmeter in so far that separate two coils are used to produced the rotating flux in place of one coil with phase split arrangement. An induction motor can be defined as the ac electric motor device in which a power source fed by the alternating current with the help of a primary winding. Generally, it is known as the asynchronous motor because its running speed is less than its synchronous speed. Induction meter includes types such as induction voltmeters, induction ammeters and induction watthour meters.
Jul, 2016 the principle of operation of an induction wattmeter is same as that of induction ammeters and voltmeters i. Threephase ctpt operated keypad energy meter operation. Energy meters are classified into two types by taking the following factors into considerations. An overview of the organisation genus was established in 1995 in jaipur. The three phase meter is constructed by connecting the two single phase meter through the shaft. Ac energy measurements induction energy meter every household accuracy about 2 % current and voltage. Free download induction motor seminar ppt, pdf report. Single phase energy meter all you need to know toppr. Single phase type three phase type induction meters. Induction type measuring instrument energy meter slideshare. Induction type energy meter used invariably to measure the energy consumed in any a. Ppt prepaid energy meter powerpoint presentation free to. Mar 27, 2016 there are basically 3 types of energy meters. Based on the flow of current, the ferriwheel rotates which makes rotation of other wheels.
Download free electricity powerpoint templates and slide designs with creative diagrams for electricians and professionals. Implementation of a singlephase electronic watthour. In all induction meters we have two fluxes which are produced by two different alternating currents on a metallic disc. Iqbal contents introduction working principle components of transformer types of transformer. Energy meter is an integrating instrument which measures the total quantity of electrical energy. James clerk maxwell michael faraday electromagnetism electromagnetic induction electromagnetic waves electromagnetism electricity and magnetism are different facets of electromagnetism a moving electric charge produces magnetic fields changing magnetic fields move electric charges this connection first elucidated by faraday, maxwell einstein saw electricity and magnetism as framedependent. It is the popularly known and most common type of age old watt hour meter. The commercial unit of electrical energy is kilowatt hour kwh. Density based traffic light control system project report is useful for electronics and communication students for understanding various aspects of project design. In an induction type meter, creep is a phenomenon that can adversely affect accuracy, that.
This will be converted into corresponding measurements in the display section. What is an energy meter and what are the basic types of. The common meters using the electromagnetic induction effect of current are. Threephase induction type electricity meters t2cmnmx active or reactive energy, 3 or 4 wires networks, direct. Induction type siqgle phase and three phase energy meter, compensation, creep, error, testing, frequency meters.
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 industrial world. A free powerpoint ppt presentation displayed as a flash slide show on id. Single phase induction type energy meter consists of four important. Theory and operation phasor diagram of single phase induction type energy meter. The concept of pem prepaid energy meter is very similar to prepaid mobile system, you recharge and spend accordingly. If a meter is used in combination with a current transformer. The basic working of single phase induction type energy meter is only focused on two mechanisms. So, electronic type of threephase energy meter is explained below with its working principle. Single phase induction type energy meter consists of four. These professionally crafted presentation templates for powerpoint provide layouts for making presentations for energy themed topics. What is the solution for the drawbacks of commonly used energy meters energy meter an energy meter is a.
The operation of induction type energy meter depends on the passage of alternating current through two suitably located coils producing rotating magnetic field which interacts with a metallic disc suspended near to the coils and cause the disc to rotate. Induction type siqgle phase and three phase energy meter, compensation. In all induction meters we have two fluxes which are produced by two different alternating currents on. The electromechanical induction meter operates by counting the revolutions of an aluminium disc which is made to rotate at a speed proportional to the power. It consumes a small amount of power, typically around 2 watts. Energy meters measures the electricity consumed by a singlephase or threephase circuit downstream of the electricity distribution metering. The main alterations are the provision of only one pressure coil upon the. You can find common popular electricity diagrams and slide designs with good backgrounds including daisy chain diagrams, cable connectors and electricity shapes for powerpoint. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. Single phase induction type energy meters electrical.
Electromechanical meters the electromechanical induction meter operates by counting the revolutions of an aluminium disc which is made to rotate at a speed proportional to the power. Oct 23, 2017 induction type energy meter ii electrical technology ii unit 3 s. Displays electricity consumption in kwh, as well as current, active energy, reactive energy and power. It consists of rotating aluminum disc mounted on a spindle between two electro magnets. With these templates you can cover a wide range of topics related to mobile devices and battery life, green energy, energy efficient modes of production, global warming, energy consumption, engineering, etc.
Explain the principle and working of induction type energy meter. Mechanism of counting and displaying the amount of energy transferred. Induction type energy meter ii electrical technology ii unit 3 duration. Single phase induction type energy meter working explained including constructional details. Single phase induction type energy meter slideshare. There are four main parts of the operating mechanism of single phase induction type. Electronic energy meters are accurate, precise and reliable type of measuring instruments when compared to electromechanical induction type meters. 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. These relays work on the principle of the induction motor or an energy meter. Therefore, this type of meter is also called an integrating meter. Here we discuss the construction and working principle of induction type energy meter. What are the advantages and disadvantages of usual energy meters. The measurement of energy is based on the induction principle is particularly suitable for industrial or domestic meters on the account of lightness and robustness of the rotating element. The conventional mechanical energy meter is based on the phenomenon of magnetic induction.
A induction machine can be used as either a induction generator or a induction motor. Working principle and construction of energy meter video lecture of measurement of. There are two types of induction meters and they are written as follows. Energy meter with lag adjustment devices electrical4u. Ac ppt energy meters and failure analysis free ebook download as powerpoint. Single phase induction type energy meters electrical concepts. Hence it is the working of induction type energy meter, adjustment of induction type energy meter. Jul, 2016 the operation of induction type energy meter depends on the passage of alternating current through two suitably located coils producing rotating magnetic field which interacts with a metallic disc suspended near to the coils and cause the disc to rotate. Mar 18, 2017 single phase induction meters are very popular for domestic and industrial use because of its wide application as energy meter. Aug 02, 2017 electromechanical induction type energy meter.
Lighting indooroutdoor cfl, incandescent, led, halogen heating electric water heaters, clothes dryers, electric stoves and ovens power supply of electronic devices computers. The electronic energy meter is also better protected against tampering than its mechanical predecessor, and units for prepaid operation e. This application report has the complete metrology source code. There are several types of energy meters single phase induction type energy meter are very commonly used to measure electrical energy consumed in domestic and commercial installation. It is used in domestic and industrial ac circuit for measuring the power consumption. Technical specifications for single phase electronic energy meter of. 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 power devive. Ppt induction motor powerpoint presentation free to. Working is based on the revolution or u can say rotation of the al.
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