It is used in domestic and industrial ac circuit for measuring the power consumption. Energy meters are the basic part to measure the power consumption. This document describes how to use the mcp3909 3 phase energy meter reference design as a development tool to emulate and debug firmware on a target board. 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.
Spm93 din rail energy meter is a kind of new style three phase whole electronic type meter. Ade7752b 3phase, 3wire, and 4wire energy metering ic with. In this article, we are going to discuss that how to design a 3 phase smart energy meter using arduino. Testing of energy meters under three phase determined and random nonsinusoidal conditions article pdf available in metrology and measurement systems xxi22014. Design and development of pic microcontroller based 3 phase energy meter thousif ahamed1, a. Pdf user manual three phase energy meter hxe310 ct. Moreover, its rs485 port can fulfill remote communication. Er300p is a trivector meter which integrates several functions and replaces various equipment for metering energy parameters. Application of leaded resistors in energy meters vishay. Product overview important information on using the mcp3909 3 phase energy meter reference design including a getting started. Why three phase power not only delivers real cost savings but creates a more efficient data center.
Usage measures the electrical power consumed by a threephase circuit downstream of the electricity suppliers meter. The three phase energy meter was implemented in the laboratory with a current of up to 20 amps and a voltage of up to 250 volts. The meter may be used within automated energy control and record systems. Three phase portable energy meter test system the gf302d1 three phase portable energy meter test system consists of an integrated three phase current and voltage sourceup to 500v120a or 500v20a and builtin three phase electronic reference standard of. Meter enclosure a wood or metal cabinet, or metal socket, installed indoors or outdoors, in which the companys metering equipment is located. Data sheet threephase energy meter with lc display. Threephase and singlephase energy meters, highquality pdf. Three phase scheduleii a technical specifications for three phase lt static whole current solid state electronic energy meters with backlit lcd display suitable for net metering 1 scope.
The reason being, that we manufacture quality three phase electronic energy meter which is light, compact and reliable for various functions. Transformer energy meter iem3255 3 phase modbus item no 424,207 description of functions the energy meter offers all the essential measurement functions for example, current, voltage and energy that are needed for monitoring three phase electrical installations. Three phase digital meters genus 3 phase kilowatt meters. It is multifunctional three phase energy meter, measuring active energy with accuracy class 0. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers. An electronic threephase active energy meter 12 is designed to record active energy in threephase fourwire mains of alternating current of industrial and domestic consumers. Although electrical service to residential buildings in the usa are exclusively by single phase circuits, electrical. Three phase energy meter on sales quality three phase. Pdf a prototype design for three phase smart energy meter. Energy meters energy efficiency devices modular din. The red wire shows the live or line or phase and the blake shows the neutral wire. Implementation of a threephase electronic watthour meter. 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 unit is 1 vars for sampled data voltage and current.
Implementation of a singlephase electronic watthour meter using. Three phase meters by electric meter sales uk at great prices. The construction and principle of operation of single phase energy meters is explained below. In our selection of three phase meters you can choose from panel mount or dinrail mount three phase, direct connect or ct connect three phase meters and we also have prepayment meters for the domestic applications. The energy is the total power consumed and utilised by the load at a particular interval of time. Are you looking for three phase electronic energy meter with integrated functions. The field developed in the voltage windings causes current to be induced in an aluminum disk. The three phase meter is constructed by connecting the two single phase meter through the shaft. College of engineering, bangalore, indias1,2 abstract the purpose of this project is to develop a 3phase energy meter, using dspic33f microcontroller and mcp3909. Basically, the energy meter is designed to measure the energy, equivalent to the power consumption over time, using the formula of p v i. Jan 16, 2018 in this video, i also explain the 3 phase distribution board diagram in which i explain the three phase kwh meter connection and installation, 4 pole mccb wiring, double pole mcb, double pole rcd. Measurement of threephase power with the 2wattmeter. This meter is used for commercial metering and for metering of small industrial loads.
A single phase meter is used in alternating current systems. A 3 phase energy meter has same elements as in case of a single phase energy meter. By inserting such a single phase wattmeter to measure the average real power in each phase with its current coil in series with one phase of the load and its potential coil across the phase of the load, the total real power in a three phase system can be determined by the sum of the wattmeter readings. Energy meters allow to identify areas for improvement and to generate benefits for owners, facility managers and users. In a watthour meter, there are two sets of windings one is the voltage winding while the other is the current winding. The three phase energy meter wm3e6 is also intended for energy measurements in three phase electrical power network and can be used in residential, industrial and utility applications. Dts22 three phase electronic energy meter lcd display dtzy22 three phase keypad prepayment meter split dtzy22 three phase keypad prepayment meter. The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. Electric utilities use electric meters installed at customers premises for billing and monitoring purposes. Calculating and measuring power in three phase circuits 1. The rs485 to usb interface cable between the ccgx and the energy meter can be extended up to 100 meters.
Here we discuss the construction and working principle of induction type energy meter. By using these three phase meters, it is also possible to measure high voltages and currents by using appropriate. Three phase electronic energy meter,three phase energy meter. This allows the user to run the meter for a userdefinable period of time, so that the energy meter can reach a suitable operating temperature, prior to testing. Also, the same meter can connect or disconnect the 3 phase. Meter measures energy directly in 4wire networks according to the principle of. To reset the partial active energy do the following steps.
Pic18f87j72 singlephase energy meter reference design users. For poly phase meters, the connection in figure 1 is duplicated for each phase. Using the 6100a electrical power standard to calibrate energy. For small service measurements like domestic customers, these can be directly connected between line and load. Electrical energy meters principles and applications. Yes, you have come to the right place that is modern transformers private limited. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter.
Technical specifications for three phase energy meter the equipment covered by these broad specifications shall conform to the requirements stated in latest editions of relevant indian iec standards and regulations. The total energy is the sum of the reading of both the elements. Implementation of a threephase electronic watthour meter using. 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. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. Html these meters are used to measure the energy consumption in single phase systems in residential, utility and industrial applications, and use a blue backlit lcd screen to give clear readings. Single and three phase wattmeters and energy meters. An electronic energy meter eem functionally outperforms the traditional ferraris wheel meter. It is used everywhere, no matter how big or small consumption it is. Its main functions include energy measurement, data display, communication, prepayment, contactor control, keypad input and inquiry, antitampering, etc.
Implementation of a three phase electronic watthour meter using the msp430f677xa 2 system diagrams figure 1 shows typical connections for one phase electronic electricity energy e meters in real life applications. Sreedevi2 department electrical and electronics engineering, r. Three phase energy meter three phase modular smart energy meter. There are four main parts of the operating mechanism i driving system ii moving system iii braking system.
Wiring of 3 phase distribution board from energy meter. Meters are available in single phase and three phase also called trivector meter. Purpose the user manual contains all the information required for application of the meters for. Design and development of pic microcontroller based 3. A wide variety of three phase digital energy meter options are available to you, such as type, phase, and display type. Energy consumption awareness is key to reduce energy costs and improve energy efficiency on your machines and electrical assets. So, electronic type of three phase energy meter is explained below with its working principle.
Mcp3909 3phase energy meter reference design using. A9mem3150 iem3150 energy meter 63 a modbus schneider. Installation manual three phase energy meter inogate. However, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. This meter is able to perform current, voltage and power measurements in three phase supply systems. The calibration of the designed meter has been taken into account. Main features electronicsbased, class 1 rated, electrical energy meter, with 4 lines lcd display and also with backlight, for its use in l. These may be single or three phase meters depending on the supply utilized by domestic or commercial installations. A capable but lowcost single three phase meter built for facilities managers to quickly and affordably monitor onsite electrical systems or devices.
And direct connected up to 80a or current transformer ct connected. The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. Traditional three phase energy meters use current transformers cts to sense phase and neutral currents. 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 meter will enable us to measure energy units consumed by 3 phase loads.
Evm430f47197 threephase energy metering evm msp430f47197. Full house wiring diagram using single phase line energy. Design and development of pic microcontroller based 3 phase. Electric meter sales offer the biggest variety of three phase meters on the market, from reconditioned meters as low as.
The 160segment lcd displays energy, voltage, current and more for all 3 phases. The torque produced is proportional to the voltage and current in the system. Three phase ctpt operated keypad energy meter 10 shenzhen inhemeter co. An energy meter is used to measure the energy consumed in the kilowatt hours. Product overview important information on using the pic18f87j72 singlephase energy meter reference design including a getting. Energy monitors uk keep three phase meters in stock and offer a free delivery on all orders over. Introduction the generation and transmission of electricity is commonly accomplished by means of three phase circuits. Calculating and measuring power in three phase circuits. Onboard lcd display shows most common electrical and power metering parameters. The msp430f47197 offers 7 sigmadelta converters that allow measurement of 3 phases with antitamper. This either takes place at the same time as heating consumption is read or centrally, e. 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.
A single phase meter generally finds applications in all. This section describes the hardware for the design of a working 3phase energy meter that uses the. This evm430f47197 is a three phase electricity meter evaluation board based on the msp430f47197, metrology systemonchip soc. Therefore, this type of meter is also called an integrating meter.
Manufacturer of energy meter testing equipment single phase high precision reference meter, three phase energy meter field calibrator, ratio and polarity test set and single phase portable energy meter testing equipment offered by akshyan power solutions private limited, delhi. New innovative isolated adc architecture enables three phase energy meters with shunts. Throughout north america, homes are powered by 120volt single phase electricity. The product of i and v of which phase shift angle of. Hxe34kp three phase four wire prepaid keypad meter is designed for the purpose of prepayment. Threephase ctpt operated keypad energy meter operation.
An electric meter or energy meter is a device that measures the amount of electrical energy. Browse products from schneider electric ww in 3 phase energy meters for energy meters to be filled. This document describes how to use the mcp3909 3phase energy meter reference design as a development tool to emulate and debug firmware on a target board. Digital micro systems pte ltd is induldge in business of smart metering use our three phase energy meter, excellent product for customers with three phase four wire dc connection requirement. Monitoring of the energy consumption is via two so pulse outputs. The unit is 1 var energy a is called passive energy a reactive qt. With pulse transmitter to feed back remote electrical energy consumption measurements via voltfree contact. The meter is completely conformed to the relative requirements of the international standard iec 6205321. Drm121, mqxenabled mcf51em256 singlephase electricity meter.
This is used in each and every house and industry for calculating the energy consumed by them. Working of single phase induction type energy meter. Meter a device for measuring the electric power and energy supplied to a customer. 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.
Energy meter testing equipment single phase high precision. Product overview important information on using the mcp3909 3phase energy meter reference design including a getting started. Three phase whole current trivector energy meter er300p. Dssd331dtsd3419a9b9c three phase fundamental waveharmonic wave gateway mete dssd331dtsd341mb4m three phase magnetic field detection special energy meter dssy331dtsy341mb3 three phase multifunction energy meter. Lysm310 series three phase smart energy meter is a highly advanced smart meter to measure. This shows the amount of power electric energy used over a certain period. 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. Technical specifications for three phase energy meter the equipment covered by these broad specifications shall conform to the requirements stated in latest editions of. The power companies benefits from eem in three significant ways. Accuenergy acuvim al series of power energy panel meters. Jul, 2016 operating principle of single phase induction type energy meter. Mqxenabled mcf51em256 singlephase electricity meter reference design, rev.
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