The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. A single phase microcontroller based energy meter conference paper pdf available in conference record ieee instrumentation and measurement technology conference 2. Technical data fronius smart meter 63a3 fronius smart meter 50ka3 1 fronius smart meter 63a1 nominal voltage 400 415 v 400 415 v 230 240 v maximum current 3 x 63 a 3 x 50,000 a 1 x 63 a input terminal capacity 1 16 mm. Submetering provides a detailed picture of the energy consumption and the specific areas where energy is used. This evm has builtin support for measuring ac voltage, current, active power, reactive power, apparent power, frequency, power factor, dc voltage, dc current, and dc active power. Singlephase energy meter with 80 a maximum current based on stpm10 metering ic and stm8l152c6 mcu with dual interface eeprom. Note down the reading of two meters in a given period of time, say 2 minutes. Singlephase multifunction metering ic with didt sensor interface ade7753 rev. One single phase energy meter, one single phase load, stop watch and connecting wires. Plus, emon energy is the first integrated energy intelligence software that allows you to go beyond simple identification of energy. Javascript must be enabled to view full functionality of our site. Energy meter is an instrument which measures electrical energy. It measures line voltage and current and calculates active, reactive, and apparent energy, as well as instantaneous rms voltage and current. Turn on the pv breakers and wait five minutes for the pv system to start up.
Drm121, mqxenabled mcf51em256 singlephase electricity meter. An overcurrent protective device that is positioned 23. The design measures active power, voltage, current, power factor and line frequency in a single phase distribution environment and displays active energy, voltage. The energy is the total power consumed and utilised by the load at a particular interval of time. Splitcore ct form factor for basic electrical metering. The ddsy726 type single phase electronic prepaid watthour meter is developed on the base of excellent single phase electronic watthour meter. This article focusses only on its constructional features and its working. Grid dc solaredge single phase inverter solaredge electricity meter. The electricity meters in our single phase meter range are all mid approved meters. The device incorporates three adcs with a high accuracy energy measurement core.
Mid energy meter device overview and technical data b21 single phase energy meter b23 three phase energy meter, direct measurement b24 three phase energy meter, ct measurement voltagecurrent inputs rated voltage 230 v ac 3 x 230400 v ac 3 x 230400 v ac. Energy meters energy efficiency devices modular din. Grid meter, and used as control input for an ess system 1. Single phase solution for three phase residential sites. The voltage and currents of the power line are rated down to signal level using transducers like voltage and current transformers and given to that ic as shown in the figure.
Induction type energy meter used invariably to measure the energy consumed in any a. Dinrail energy meters for single phase circuits up to 63a. Details on the calibration procedure, including equations and examples of how to calculate each constant are provided. The red wire shows the live or line or phase and the blake shows the neutral wire. These mid meters are all compact and lightweight and rated as class 1 and 2, so you can rely on electricity meter.
Inputs include control power, ct, and 3phase volt age. 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. Abb energy meters have the following instrumentation values as a minimum. We provide a broad range of digital energy meter, which is manufactured using quality material sourced from authenticated vendors.
The acurev 10 series of three phase mutlicircuit power and energy meters offer revenue grade accuracy and a wealth of other features, including. Singlephase energy meter with 80 a maximum current based. In a single phase energy meter installation, the lineman has to fix the meter. It comes with suitable display with a range of communication options for local and remote monitoring. The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. To study the construction and working of single phase energy meter and to find out energy consumed in 30 minutes.
A9mem2110 modular single phase power meter iem2110 230v 63a with pulse mid. A page 1 of 16 introduction this application note describes how to calibrate the ade7880. The three phase meter is constructed by connecting the two single phase meter through the shaft. Single phase energy meter with tamper detection based on st7flite2x introduction this application note describes the design for a single phase power energy meter with tamper detection. Main breaker and meter socket must be contained in the same electrical panel. Pic18f87j72 singlephase energy meter calibration users guide 2011 microchip technology inc. Single phase induction type energy meter is also popularly known as watthour meter. To log kwh from such a meter, you can simply hook the pulse output to one. This document describes the functioning of a singlephase energy meter based on the stpm10 metering ic.
Power meter apm single, split and 3 phase trumeter. Singlephase energy meter with tamper detection based on. Electromechanical energy meters have been the standard for metering the electricity since billing began. Measurement of power 150910 usaid sarienergy integration.
Overview power meters are sometimes referred to as energy meters. Mid energy meter b21 singlephase energy meter, 65 a. Feb 19, 2017 construction and working of single phase energy meter. Single phase energy meter export limit 1 overview of single phase energy meter the next generation sungrow crystal inverters provide a facility to control the export of the inverter with the addition of an energy meter. 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. In a single phase energy meter installation, the lineman has to fix the meter box at an appropriate height and at the place suggested by the consumer. But these are now being gradually replaced by electronic digital energy meters. Jul 25, 2018 there is a small display window in the front of the meter which displays the reading of energy consumed with the help of dials. The apm power meter is a digital panel meter for single phase, split phase and three phase applications.
Features the portable single phase energy meter test bench is used for grid corporation of measurement and energy test center, management department of power supply bureau, national energy. Energy meter storedge ac coupled single phase inverter storedge interface dc solaredge three phase inverter dc dc power optimizers monitoring platform storedge ac coupled single phase inverter with nonsolaredge inverter energy meter 2 is optional needed for full system monitoring. There is a copper shading ring at the central limb of the shunt magnet. Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. Let us see the basic preparation to start with single phase energy meter installation.
Presented here is a simple energy meter using analog devices ade7757 chip for singlephase, 2wire phase and neutral systems used in households. The single phase meter reference design is used for measurement and registration of active and reactive energy in single phase twowire networks for direct connection. Communication and neutral line terminal capacity 0. Give the connections as per the circuit diagram above.
Technote 01 pulse output energy meters pulse meter inputs many utility meters provide kwh consumption by way of a pulse output dry contact relay closure. All documentation becomes dated, and this manual is no exception. It is a new type of ic card prepaid meter, which has such functions as power metering, load control and customer information management. A9mem25 modular single phase power meter iem25 230v. Induction type energy meter used invariably to measure the energy. This device can be implemented as a single chip monophase energy meter or as a peripheral measurement in a microcontroller based monophase or 3 phase energy meter. This evm has builtin support for measuring ac voltage. With emon energy software, you can combine all of your utility service data including gas, electric, water and steam into a single location to see how, when and where your facility is using energy. Mqxenabled mcf51em256 singlephase electricity meter reference.
C to the pressure coil circuit by means of phase shifting transformer. Envoy metering installation checklist enphase energy. Singlephase electric meter with isolated energy measurement. 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. A9mem2110 modular single phase power meter iem2110 230v.
An electric meter or energy meter is a device that. Electrical energy meters principles and applications. A single phase meter is used in alternating current systems. Abmessungen in mm 98 39 54 79 43 58 65 mid energy meter b21 single phase energy meter, 65 a voltage v precision class inputsoutputs communication type item no. A 1phase power meter, also called a singlephase power meter, can measure a variety of electrical parameters, from current and voltage to resistance, continuity and beyond. A9mem25 modular single phase power meter iem25 230v 63a with comm mbus mid. What is the solution for the drawbacks of commonly used energy meters. This article is really good kurrey consultancy services november 25, 2018 at 2. The userprogrammable power meter offers a dynamic threecolor display and modbus connectivity in a compact size. These graphics below shows the above idea in a very simple way. It uses ad7755, a single phase energy measurement ic to acquire and process the input voltage and current parameters. The energy is the total power consumed and utilised by the load at a. This design implements a highaccuracy single phase embedded energy measurement application using msp430afe253.
The ade7953 is a high accuracy electrical energy measurement ic intended for single phase applications. However the meter should withstand the maximum system voltage. This design implements a highaccuracy singlephase embedded energy measurement application using msp430afe253. You can use this solution even for individual appliances to see how much energy. Calibration and testing of singlephase energy meter. Single phase, multifunction metering ic with neutral current. Pic18f87j72 singlephase energy meter calibration users guide. Energy meter circuit detailed project with source code. Overview of single phase induction type energy meter. To make the phase angle between flux produced by shunt magnet and supply voltage about 900, small adjustments in the place of the ring is required. Single phase energy meters single phase energy meter. This document describes the functioning of a singlephase energy meter based on the stpm10 metering ic and stm8l152c6 microcontroller.
The total energy is the sum of the reading of both the elements. The meter is designed to offer reliable energy measurement in single phase circuit and is highly suitable for metering and remote communication purposes. Procedure for calibration and testing of single phase energy meter. What are the advantages and disadvantages of usual energy meters. Pic18f87j72 singlephase energy meter reference design users. Manufacturer of single phase energy meters single phase energy meter with multifunctional lcd, single phase energy meter with rs 485 communications, single phase ac static watt hour meter and single phase multifunction electronic energy meter with lcd offered by techno meters. Single phase electricity meters gas meters energy meters. This is done by the introduction of configuration files. Induction type energy meter essentially consists of following components. It is used in domestic and industrial ac circuit for measuring the power consumption. Phasor diagram of single phase induction type energy meter. Eq meters in bronze version from abb english pdf leaflet single phase.
Singlephase multifunction metering ic with didt sensor. Single phase, multifunction metering ic with neutral. The switch shall be clearly marked, generator disconnect switch, with permanent 38. Two and three wattmeter methods in balance and unbalance circuits.
The net meter records the imported grid energy consumed by the home as well as the excess energy exported back to the grid. Mcp3909 and pic18fj90 single phase energy meter reference. Ympl 3 power in ac circuits a quick recap power per phase is. It is considered ideal for control, protection and. Ic ade7757 is a lowcost, singlephase solution for electrical energy measurement. Voltage from mains is directly fed to a rc based circuit followed by a. Product overview important information on using the pic18f87j72 singlephase energy meter. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. The information contained in this manual has been carefully checked and is believed to be accurate. Single phase energy meter on sales quality single phase. Load only readings are greater than load with solar production readings, or 2. The device incorporates three adcs with a high accuracy energy measurement. Single phase electricity is connected at 230 or 240 volts via 2 wires, active and neutral, and is found in most domestic settings.
You are paid a feedin tariff for this excess energy, which helps to cut the electricity bill. Singlephase electric meter with isolated energy measurement design guide rev. Optimised installation with hdwave technology specifically designed to work with power optimisers outdoor and indoor installation fixed voltage inverter for longer strings advanced safety features integrated arc fault protection quick and easy inverter commissioning directly from a smartphone using the solaredge setapp recordbreaking efficiency. The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. Singlephase powerenergy meter with tamper detection application note 2566b. Single phase inverter to a world leader in smart energy. The three phase energy meter is used for measuring the large power consumption. This document is the manual for the single phase max 100 a energy meter.
Impulse port of each meter position, external polarity can be set randomly, able to adapt kwh meter of impulse cascade and commonanode. Pdf a single phase microcontroller based energy meter. Programmable single phase energy metering ic with tamper. The versatility of the acurev 2000 series meters are ideal for multitenants submetering such as office buildings, apartments. The harmonics measurement is different in different type of connection as illustrated above in three phase. Pic18f87j72 singlephase energy meter reference design.
428 1202 844 1201 753 54 1369 242 211 739 813 95 165 603 1265 1329 1138 1323 355 1568 429 1009 1445 666 703 1015 1227 688 577 694 1456 120 1330 480 555 544 551 1059