A singlephase meter is used in alternating current systems. Powerlogic pm5100 series power and energy meter schneider. A movingcoil permanentmagnet instrument can be used as fluxmeter. 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. 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. Single phase power measurement instruments are made up of rugged electronic instruments designed specifically for use in the harsh electrical environment common to many utility and industrial applications. Dinrail energy meters for single phase circuits up to 63a. The construction of the three phase meter is shown in the figure below.
Smart energy efficiency management energy conservation in management. The basic working of single phase induction type energy meter is only focused on two mechanisms. Real, reactive, and apparent power total and per phase. Purpose the user manual contains all the information required for application of the. Working of single phase induction type energy meter. Implementation of a single phase electronic watthour meter using the msp430f6736 bart basile, stefan schauer, kripasagar venkat abstract this application report describes the implementation of a single phase electronic electricity meter using the texas instruments msp430f673x metering processor. Below is the connection of 3 phase three phase or poly phase 3 phase,4 wire kwh meter digital or analog energy meter from the supply to the main distribution board. Pic18f87j72 singlephase energy meter calibration users guide. A single phase 45 amp 1 module din rail mounted meter. Calibration and testing of singlephase energy meter. So the eem is known as static energy meter in eem the accurate functioning is controlled by a specially designed ic called asic application specified integrated circuit. Its small profile, high accuracy and market certification. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter.
The electricity meter ze114 series is a modern, fully programmable meter for monitoring the consumption of electric energy in lowdemand areas. Single phase induction type energy meter is also popularly known as watthour meter. Below is the most common inner connection of of 3phase energy meter. 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.
Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. These graphics below shows the above idea in a very simple way. Implementation of a singlephase electronic watthour. This design implements a highaccuracy singlephase embedded energy measurement application using msp430afe253. Product overview important information on using the pic18f87j72 singlephase energy meter reference design including a getting.
But these are now being gradually replaced by electronic digital energy meters. The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. The three phase meter is constructed by connecting the two single phase meter through the shaft. A digital energy meter steps down the mains and measures the instantaneous values of current and voltages simultaneous through adc. Energy meters are the basic part to measure the power consumption. It uses ad7755, a singlephase energy measurement ic to acquire and process the input voltage and current parameters. There is a copper shading ring at the central limb of the shunt magnet. The ade7953 is a high accuracy singlephase metering ic that allows both the phase current and the neutral current to be measurement simultaneously. The key parameters calculated during energy measurements are root mean square rms current and voltage, active and reactive power and energy, power factor, and frequency. The software supports calculation of various parameters for single phaseenergy measurement.
Give the connections as per the circuit diagram above. For example, electronic loads such as computer power supplies draw their. 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. Single phase digital energy metermeter connection how to. On a singlephase ac supply, the electromechanical induction meter. Its structure is designed to connect to the network tnc. Presented here is a simple energy meter using analog devices ade7757 chip for singlephase, 2wire phase and neutral systems used in households.
Series of digital calibration devices smart energy management terminal units smart distribution automation equipment power quality equipment. Procedure for calibration and testing of single phase energy meter. Energy meter circuit detailed project with source code. Implementation of a singlephase electronic watthour meter using msp430afe2xx rev. This demonstration board offers a fully functional singlephase solution with parameter display, tamper management, maximum demand md calculation, eeprom data logging, and low power management.
Both the disc has its braking magnet, copper ring, shading band and the compensator for getting the correct reading. This product has the function of traditional products, also has programmable functions, such as dc420ma analog output, rs485 communication interface port and the switching power output function. Single phase induction type energy meters is very commonly used to. To communicate with the meter using ion setup, you must set the. Total power in an ac circuit, both absorbed and dissipated, is referred to as total. These power measurement instruments are ideally suited to applications where reliable, precise measurements are required, but where. The observed accuracy was better than 97% discover the. To study the construction and working of single phase energy meter and to find out energy consumed in 30 minutes. It samples those readings averages them and calculates the energy consumed in kwh. A single phase microcontroller based energy meter conference paper pdf available in conference record ieee instrumentation and measurement technology conference 2. 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 measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. This design implements a highaccuracy single phase embedded energy measurement application using msp430afe253.
It is able to meet the monitoring requirements of active energy accuracy class a or b. The red wire shows the live or line or phase and the blake shows the neutral wire. The two elements are used for measuring the three phase power. The total energy is the sum of the reading of both the elements. Induction type energy meter essentially consists of following components. Presented here is a simple energy meter using analog devices ade7757 chip for single phase, 2wire phase and neutral systems used in households. How electronic energy meter works mohans electronics blog. Voltage from mains is directly fed to a rc based circuit followed by a. To study the construction and working of single phase energy meter and to find. Keypad single phase prepaid energy meters with sts iec. Feb 19, 2017 construction and working of single phase energy meter. Kinetism twophase power meter reference design nxp.
Working of single phase induction type energy meter the basic working of single phase induction type energy meter is only focused on two mechanisms. Design easily downgrades to fit normal singlephase energy metering. 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. If using a programmer, create a text file as shown below and load the contents of the file into the eeprom. Single phase, multifunction metering ic with neutral. Single phase electricity meters gas meters energy meters. Pic18f87j72 singlephase energy meter reference design users. Here we discuss the construction and working principle of induction type energy meter.
Costeffective and flexible singlephase energy meter. Find here single phase meter suppliers, manufacturers, wholesalers, traders with single phase meter prices for buying. The stevalipe012v3 demonstration board implements a singlephase energy meter based on the stpm01 metering ic and stm8l152c6 microcontroller. It measures line voltage and current and calculates active, reactive, and apparent energy, as well as instantaneous rms voltage and current. Singlephase energy meter description the sdm220 is an advanced digital singlephase multifunction energy meter, which measures up to 100a direct load. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. Dds102j1 single phase electronic energy meter register display. The countis e3x is a modular active electrical energy meter displaying the energy and power consumed kwh and kw directly on its backlit lcd display. Below is the connection of 3phase three phase or poly phase 3phase,4 wire kwh meter digital or analog energy meter from the supply to the main distribution board.
Single phase digital energy metermeter connection how. The electricity meters in our single phase meter range are all mid approved meters. It is designed for threephase load metering and is used for direct connections of up to 100. Digital energy meters by the millions analog devices. 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. Singlephase antitamper energy meter eeweb community. Electrical energy meters principles and applications. Singlephase energy meter with rogowski coil sensor based. The xle12kp is the latest evolution in electricity prepayment metering from xili. Electromechanical energy meters have been the standard for metering the electricity since billing began. A single phase energy meter prototype has been implemented in the lab to provide measurement up 10 a load current from a 127 v line voltage. A wide variety of single phase digital power meter options are available to you, such as three phase, single phase.
Below is the most common inner connection of of 3 phase energy meter. However the meter should withstand the maximum system voltage. This article focusses only on its constructional features and its working. Note down the reading of two meters in a given period of time, say 2 minutes. Single phase, 2 wire type, suitable for connection to lt 240 volt system 530 amps, static whole current meter, accuracy class of 1. Energy meter in chennai, tamil nadu get latest price. Fu8000 series single phase current and voltage display meter has replaced the traditional digital meter products. Apr, 2012 introduction single phase induction meter 3. Energy meter we develop energy meters like single phase multifunctional energy meter, three phase multifunctional energy meter for inputs of 415v, 460v, 380v, 575v, 550v, 1150v etc thermafield power components private limited.
The mcp3911 and pic18f85k90 singlephase antitamper energy meter is a fully functional singlephase meter with enhanced capabilities, such as battery backup, rtc and antitamper features. The three phase energy meter is used for measuring the large power consumption. 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. Induction type single phase energy meters measure electric energy in. This article is only focused about its constructional features and its working. Here we are going to discuss the single phase induction type in detail. Select the help menu, and then topics to open a list of available online help files. Single phase energy meter ic data sheet august 2007. One single phase energy meter, one single phase load, stop watch and connecting wires. Mechanism of counting and displaying the amount of energy transferred.
The pic18f87j72 single phase energy meter reference design ard00280 is a fully functional single phase meter featuring the pic18f87j72 mcu with analog front end. Construction and working of single phase energy meter. Pdf a single phase microcontroller based energy meter. The two current channels are measured with the mcp3911 device and the voltage channel is measured with the 12bit sar adc integrated in the microcontroller. The complete set up consists of two energy meters, wattmeter, voltmeter. It uses ad7755, a single phase energy measurement ic to acquire and process the input voltage and current parameters. Construction driving system, moving system, braking syatem, and registering system 4.
This article is really good kurrey consultancy services november 25, 2018 at 2. 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. Splitcore ct form factor for basic electrical metering. 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.
Energy meter testing equipment single phase high precision. Technology with a 22bit deltasigma adc, 3 analog inputs, digital temperature compensation, precision voltage reference and 32bit computation engine ce supports a wide range of singlephase metering applications with very few low cost external components. The following special messages may appear throughout this manual or on. The xle12kp utilizes the wellproven sts standard keypad technology for oneway credit and debt management. The ade7953 is a high accuracy electrical energy measurement ic intended for single phase applications. A single phase meter is used in alternating current systems. Electronic energy meter is based on digital micro technology dmt and uses no moving parts. 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. Procedure for calibration and testing of singlephase energy meter.
It is used everywhere, no matter how big or small consumption it is. Phasor diagram of single phase induction type energy meter 6. Singlephase digital energy measurement has been widely accepted among many. Therefore, this type of meter is also called an integrating meter. Pic18f87j72 singlephase energy meter calibration users. Pic18f87j72 singlephase energy meter reference design. The three phase energy meter has two discs mounted on the common shaft. Singlephase electronic meter ze114 zpa smart energy a. Energy meter is an instrument which measures electrical energy. Single phase induction type energy meter pdf to understand the basic construction and different components of a single phase induction type energy meter. Singlephase electric meter with isolated energy measurement.
The analog front end afe consists of up to three analogtodigital converters. The ct transforms the current from the primary cable busbar at the. The device incorporates three adcs with a high accuracy energy measurement core. Single phase digital energy meter all about circuits. A current transformer, ct, operated meter, particularly suitable for larger loads, requires the load cable busbar, to be fed through a ct. This low cost design uses a shunt for the current sensor in place of expensive current transformers. The software supports calculation of various parameters for singlephaseenergy measurement. Single phase energy meter hxe12kp hexing electrical co. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures. The dds353 is a new generation modern design kwh meter that will measure and display active energy kwh.
It provides a variety of energy measurements including active, reactive, and apparent energy, along with current and. The 1 phase power meter pcegpa 62 graphic power quality analyzer with network analyzer power and energy meter with data logger. C to the pressure coil circuit by means of phase shifting transformer. Once the mercury pool was exhausted, the meter became an open circuit. Keypad single phase prepaid energy meters with sts iec standard. A direct connect meter has the electrical cables wired in to and out of it, meaning the load current passes through the meter itself. Single phase electricity is connected at 230 or 240 volts via 2 wires, active and neutral, and is found in most domestic settings.