A singlephase meter is used in alternating current systems. Voltage from mains is directly fed to a rc based circuit followed by a. Implementation of a singlephase electronic watthour meter using msp430afe2xx rev. C to the pressure coil circuit by means of phase shifting transformer. This article is only focused about its constructional features and its working. Here we discuss the construction and working principle of induction type energy meter. Single phase digital energy meter all about circuits. Singlephase energy meter become a certified partner description the sdm120 is an advanced singlephase energy meter that solves a wide range of submetering and monitoring scenarios where switchboard space is at a premium. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers.
It comes with suitable display with a range of communication options for local and remote monitoring. Three phase portable energy meter calibration equipment. Single phase energy meter working of single phase induction. Pdf a single phase microcontroller based energy meter. The simple yet reliable structure of single phase electronic energy meters readily supports the dynamic working range of the meter. Energy meter circuit detailed project with source code. Energy meter is an instrument which measures electrical energy. Bidirectional energy measurement for import and export enables solar pv energy metering. Energy meters are the basic part to measure the power consumption. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power.
Singlephase meter smart electricity metering solutions. Working of single phase induction type energy meter. Each has its particular application, depending on whether the circuit is 3. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. Ecostruxure for your business ecostruxure lets you thrive in todays digital world. Mechanism of counting and displaying the amount of energy transferred. This article focusses only on its constructional features and its working. Power consumption is shown by a bar flashing at a rate of 100 times per kwh. Presented here is a simple energy meter using analog devices ade7757 chip for singlephase, 2wire phase and neutral systems used in households. One single phase energy meter, one single phase load, stop watch and connecting wires. Implementation of a singlephase electronic watthour meter using the msp430f6736a if a test setup needs to be connected, the connections have to be made according to the evm design. Drm121, mqxenabled mcf51em256 singlephase electricity meter. Once the mercury pool was exhausted, the meter became an open circuit. Operating principle of single phase induction type energy meter.
It features in high accuracy, low power consumption and reliable stability and superior antitampering functions. Single phase electronic energy meter,1 phase electronic. 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. Calibration and testing of singlephase energy meter. Construction and working of single phase energy meter.
But these are now being gradually replaced by electronic digital energy meters. Single phase energy meter single phase induction type energy meter is also popularly known as watthour meter. This document describes how to use the pic18f87j72 singlephase energy meter reference design as a development tool to emulate and debug firmware on a target board. Visiontek 36sm single phase static electronic energy meter is designed to meter residential and small commercial energy consumers in distribution networks. The sma energy meter takes phaseaccurate and balanced electrical measured values, such as a grid feedin and purchased electricity meter, and.
The energymeters with a blue backlighted lcd screen for prefect reading are used to measure singlephase like residential, utility and industrial application. Pic18f87j72 singlephase energy meter calibration users guide. Single phase induction type energy meter is also popularly known as watthour meter. Induction type energy meter used invariably to measure the energy consumed in any a. Pic18f87j72 singlephase energy meter reference design. Threephase and singlephase energy meters, highquality pdf. Note down the reading of two meters in a given period of time, say 2 minutes. A 32khz crystal time base for the entire system and internal battery backup support for ram. Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures. The unit measures and displays various important electrical parameters, and provide a communication port for remote reading and monitoring.
Single phase induction type energy meters is very commonly used to. The meter is designed to offer reliable energy measurement in single phase circuit and is highly suitable for. Single phase electronic energy meters which we offer is wellequipped with large integrated circuits along with surface mounted technology. But as we need to sample the voltage and current to get the power. About 79% of these are energy meters, 2% are power meters. A movingcoil permanentmagnet instrument can be used as fluxmeter. Name of materials unit quantity cost of tender paper rs emd rs single phase energy meter of 1060 amp. Single phase energy meter on sales quality single phase. A wide variety of single phase energy meter options are available to you, such as phase, display type.
Induction type single phase energy meters measure electric energy in. Implementation of a singlephase electronic watthour meter using the msp430f6736 bart basile, stefan schauer, kripasagar venkat abstract this application report describes the implementation of a singlephase electronic electricity meter using the texas instruments msp430f673x metering processor. The meter is designed to offer reliable energy measurement in single phase circuit and is highly suitable for metering and remote communication purposes. The basic working of single phase induction type energy meter is only focused on two mechanisms. Here we are going to discuss the single phase induction type in detail. 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. Hxe12r electronic meter is developed and manufactured by hexing. 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.
Main features lcd with 8 digits display format for energy record and meter status. Below are the the connections diagrams for installation of a singlephase 3phase, 4 wire kwh meter digital or analog energy meter from the supply to the main distribution board in home. The energy is the total power consumed and utilised by the load at a particular interval of time. The rs485 to usb interface cable between the ccgx and the energy meter can be extended up to 100 meters. This electronic meter does not possess any rotating parts, and the. Four methods are in general use for metering the power or energy in 3phase circuits. It is used everywhere, no matter how big or small consumption it is. Therefore, this type of meter is also called an integrating meter. North eastern electricity supply company of odisha limited. Electrical energy meters principles and applications. Implementation of a singlephase electronic watthour. This paper presents a single phase electrical energy meter based on a microcontroller from microchip technology inc.
Considering all the above factors, the standard value calibration needs to be carried. Procedure for calibration and testing of singlephase energy meter. Todays smart meters can connect to a widearea network wan and the cloud through a data concentrator and a home area network together with. Connect the energy meter to the ccgx using the usb to rs485 cable. This low cost design uses a shunt for the current sensor in place of expensive current transformers. The meter complies with national and international metering standards. Overview of single phase induction type energy meter. Induction type energy meter essentially consists of following components. Electromechanical energy meters have been the standard for metering the electricity since billing began. This design reference manual describes the solution for a single phase electricity meter based on the mcf51em256 microcontroller mcu. The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. The pic18f87j72 single phase energy meter reference design ard00280 is a fully functional single phase meter featuring the pic18f87j72 mcu with analog front end.
The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. L and n correspond to the voltage inputs from the test setup. In this article, we not only explain you amr solution, but also bring to you its architecture and the great advantages that it brings along. Idea in brieftraditional threephase energy meters use current transformers cts to sense phase and neutral. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter.
Construction driving system, moving system, braking syatem, and registering system 4. 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. Technical specifications for single phase static meter the equipment covered by these broad specifications shall conform to the requirements stated in latest editions of relevant indian iec standards and regulations. Dds22 single phase electronic energy meteransi ddzy22 single phase smart meter ddzy22cz single phase smart meteric card prepayment,communication module can be replaced.
Make better business decisions with scalable and converged itot solutions. A digital energy meter steps down the mains and measures the instantaneous values of current and voltages simultaneous through adc. Dds102j1 single phase electronic energy meter register display ddsy102k3 single phase electronic type prepayment energy meter ddsy102k7 single phase electronic type microwireless energy meter. To study the construction and working of single phase energy meter and to find out energy consumed in 30 minutes.
This manual is for single phase energy meter for active energy. Each voltage phase is referred to the neutral and has 120 phase difference with the other phases see figure 2. Give the connections as per the circuit diagram above. Sma energy meter universal recording of measured values for intelligent energy management the powerful measurement solution for intelligent energy management within the sma smart home. Relays amr solutions fault passage indicator fpi amr solutions. What is the solution for the drawbacks of commonly used energy meters. Pic18f87j72 singlephase energy meter calibration users.
Designed as standard for using as doubletariff meter. It is used in domestic and industrial ac circuit for measuring the power consumption. It samples those readings averages them and calculates the energy consumed in kwh. 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 threephase electronic reference standard of accuracy class 0. Singlephase electricity meters are designed essentially to measure energy consumption and its quality factor as well as provide means to prevent tampering. Installation manual three phase energy meter inogate. What are the advantages and disadvantages of usual energy meters.
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