In this video we learn electrical engineering basics by learning single phase meter wiring diagram. Here we are going to discuss the single phase induction type in detail. This is used in each and every house and industry for calculating the energy consumed by them. 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. Electrical energy meters principles and applications. Gf312d1 three phase energy meter calibrator the instrument is a precision ac energy meter testing instrument, mainly used to test three phase energy meter. This paper presents design and construction of a threephase smart energy meter. The meter is designed to overcome the defects of mechanical meters such as moving parts. Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. Finally plan to test the 120v meter on my honda 6500w generator which outputs 30a at 240v on one of the connectors. Salient features range 520a, 1060a, 5a ct operated in class 1. The easycount 3phase power meter is an energy meter embedded in a case protected against water, for three phase current up to 400 v. 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.
The reason being, that we manufacture quality three phase electronic energy meter which is light, compact and reliable for various functions. The thin current probes are designed to easily get through tight conductor spacing and are easily set to 150 or 1500 a for high. Grid meter, and used as control input for an ess system 1. Also, the same meter can connect or disconnect the 3 phase. If this works ok, plan to build another box with 3 meters in it. 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.
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 accuracy class 0. Purpose the user manual contains all the information required for application of the meters for. A9mem3155 iem3155 energy meter 63 a modbus 1 digital i 1 digital o multitariff. Product overview important information on using the mcp3909 3phase energy meter reference design including a getting started. Em270 dual 3phase energy meter metering quick fit, compact energy meter sales 0 nhp nhp. The maximum power is transferred through three phases as compared to single phase supply. Both the disc has its braking magnet, copper ring, shading band and the compensator for getting the correct reading. Aluminium discs are acted upon by the two coils one is voltage coil and the other is current coil. Electronic single phase watthour meter adopts largescale ic, the latest microelectronic technologies and smt techniques.
A polyphase system is a means of distributing alternatingcurrent electrical power where the power transfer is constant during each electrical cycle. Now there are two types of induction meters and they are written as follows. Single phase electricity explained wiring diagram energy. The single phase supplies the voltage up to 230v whereas the three phase supply carries the voltage up to 415v.
The three phase meter is constructed by connecting the two single phase meter through the shaft. 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. Pdf a prototype design for three phase smart energy meter. The 1 phase power meter pcegpa 62 graphic power quality analyzer with network analyzer power and energy meter with data logger. Get info of suppliers, manufacturers, exporters, traders of single phase electronic energy meter for buying in india. Induction type energy meter essentially consists of following components. Eem testing under nonsinusoidal conditions has been in use for a long time 3, 4. This document is the manual for the 3 phase max 65a per phase energy meter. Apart from this, we also offer prepayment energy meters and amr systems. Polyphase systems have three or more energized electrical conductors carrying alternating currents with a defined phase angle between the voltage waves in each conductor. Design and building a single phase smart energy meter using arduino and rf communication system. Single phase induction type energy meter is also popularly known as watthour meter. Each meter includes cts calibrated to the meter for greater systemwide accuracy. The single phase has two wire which makes the network simple whereas the three phase network is complicated as it consists four wires.
Threephase ctpt operated keypad energy meter operation. One advantage of cts is the inherent electrical isolation they provide between the power line operating at hundreds of volts, and the meter ground, typically connected to the neutral. Single phase solution for three phase residential sites. The meter will enable us to measure energy units consumed by 3 phase loads. 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. Construction and working of single phase energy meter. The one phase harmonic analyzer graphic power quality analyzer is used for single phase or three phase measurements of active, reactive and apparent power, power factor, phase angle, energy, voltage, current as well as peaks and harmonics. Three phase ctpt operated keypad energy meter 10 shenzhen inhemeter co. Testing of energy meters under three phase determined and random especially the last group of tests reproduces actual operating conditions for eems. This article is only focused about its constructional features and its working. Three phase portable energy meter calibration equipment. You are paid a feedin tariff for this excess energy, which helps to cut the electricity bill. Working on a 240v meter in a box which i will have done soon to test my amateur radio linear amplifier. Pdf design and building a singlephase smart energy.
The wires of the 3phase power meter, with a length on both sides of approx. Meter records correct energy with same accuracy under reverse current connection. Idea in brieftraditional three phase energy meters use current transformers cts to sense phase and neutral currents. Dtsd545 three phase static multifunction meter user manual 1. Voltage coil produces magnetic flux proportional to voltage and current coil produces magnetic flux proportional to current.
Mcp3909 3phase energy meter reference design using. The construction of the three phase meter is shown in the figure below. A 3 phase energy meter has same elements as in case of. Single phase energy meter working of single phase induction. Three phase whole current trivector energy meter er300p. Single phase electronic energy meter at best price in india. The total energy is the sum of the reading of both the elements. Er300p is a trivector meter which integrates several functions and replaces various equipment for metering energy parameters. Single phase energy meter single phase induction type energy meter is also popularly known as watthour meter. When the energy meter is connected in circuit, the current coil carries the load current and pressure coil carries the current proportional to the supply voltage. The two elements are used for measuring the three phase power. The meter has advanced data recording capabilities. Before testing a 3 phase energy meter torque balance is obtained in this way.
Three phase energy meter tester 300 is used for testing of single and three phase energy meters and current transformers. Find here online price details of companies selling single phase electronic energy meter. The microcontroller accepts the inputs from all the three energy measurement ics for three phase energy measurement and serves as the brain of the system by performing all the necessary operations like storing and retrieving data from eeprom, operating the meter using buttons to view energy consumption, calibrating phases and clearing readings. These three phase electronic energy meter are featured with display parameters, display modes, control keys, etc. Three phase electronic energy meter,three phase energy. The maximum number of products that can be compared is 4. How electricity reaches our homes from the power station.
In this article, we are going to discuss that how to design a 3 phase smart energy meter using arduino. Three phase meter lab print western energy institute. An energy meter is used to measure the energy consumed in the kilowatt hours. The three phase energy meter has two discs mounted on the common shaft. The calport 100 plus analyser is designed for testing of single and three phase energy meters, current transformers ct and. General dtsd545 and dssd535 three phase static multifunction meter are designed as the high accuracy multifunction meter for satisfying international markets demands. One meter for the 240v and 2 meters for each side of the 120v. Hpl energy meter hpl energy meter latest price, dealers. The single phase is used in a place where less power is required and for running the small loads.
This meter is used for commercial metering and for metering of small industrial loads. The red wire shows the live or line or phase and the blake shows the neutral wire. These graphics below shows the above idea in a very simple way. It can measure active reactive, fourquadrant s energy, same as the activereactiveapparent.