Document layout conventions used in this guide recommended reading the microchip web site customer support document revision history document layout this document describes how to use the single phase energy meter calibration tool. Mcp3909 3phase energy meter reference design using. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. Drm121, mqxenabled mcf51em256 singlephase electricity meter. Pic18f87j72 singlephase energy meter calibration users guide. English pdf leaflet single phase electricity meters a41 and a42. The ade7752b specifications surpass the accuracy requirements as quoted in the iec6205321 standard.
Jul, 2016 operating principle of single phase induction type energy meter. Energy meters energy efficiency devices modular din. 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. Mechanism of counting and displaying the amount of energy transferred. Um1529 features doc id 022953 rev 1 735 1 features low cost single phase energy meter solution supports iec 61036. About pspcl punjab state power corporation limited pspcl is the electricity generating company of the government of punjab state in india. The three phase meter is constructed by connecting the two single phase meter through the shaft. Fulfills iec 61036 accuracy requirements for class 1 meters. This document is the manual for the single phase max 100 a energy meter. It is an ideal solution for calibration laboratories, electronics manufacturers, electric utility meter shops, and other organizations that manufacture and. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter.
Working of single phase induction type energy meter. Single phase electricity meters gas meters energy meters. These mid meters are all compact and lightweight and rated as class 1 and 2, so you can rely on electricity meter accuracy. Energy meters are the basic part to measure the power consumption. Here we are going to discuss the single phase induction type in detail. Singlephase electric meter with isolated energy measurement ti designs design features ti designs provide the foundation that you need simplified meter calibration by using usb including methodology, testing and design files to connection quickly evaluate and customize the system. Pdf a single phase microcontroller based energy meter. However, the material herein will provide sufficient information for testing singlephase and polyphase meters of other current and voltage ratings by. Single phase digital energy metermeter connection how to. Induction type energy meter used invariably to measure the energy consumed in any a. 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 design and building a singlephase smart energy.
Single phase meter components, constants, and ratios presented by scott sutton. Single phase power energy meter calibrator is used for calibration of energy meters, wattmeters, va meters, var meters, pf meters. Therefore, this type of meter is also called anintegrating meter. Using the 6100a electrical power standard to calibrate. To calibrate and test the given single phase energy meter by direct loading. It is reliable and accurate hence it has demand in calibration testing laboratories, power energy meter manufacturers. Analog devices recently released the ade9153a, which is a 5. Phasor diagram of single phase induction type energy meter 6. These power measurement instruments are ideally suited to applications where reliable, precise measurements are required, but where. A wide variety of single phase energy meter options are available to you, such as single phase, single, and three phase. Ti designs isolated communications between metrology afe. The red wire shows the live or line or phase and the blake shows the neutral wire.
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. Frequently asked questions faqs analog devices energy ade products data sheet ade7953. The article also discusses common tampering methods and ways to detect them. Threephase and singlephase energy meters, highquality pdf. Below is the most common inner connection of of 3 phase energy meter. Jun 10, 2014 smart meters a smart meter is usually an electronic device that records consumption of electric energy in intervals of an hour or less and communicates that information at least daily back to the utility for monitoring and billing purposes. To study the construction and working of single phase energy meter and to find out energy consumed in 30 minutes. However the meter should withstand the maximum system voltage. 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. Smart meters enable twoway communication between the meter and the central system, preventing tampering.
I2c interface between the ade7953 and the aducm360 an639. Singlephase powerenergy meter with tamper detection application note 2566b. Procedure for calibration and testing of single phase energy meter. It uses ad7755, a single phase energy measurement ic to acquire and process the input voltage and current parameters. The design measures active power, voltage, current, power factor and line frequency in a single phase distribution environment and displays active energy, voltage. The meter complies with national and international metering standards. The main alterations are the provision of only one pressure coil upon the. The fluke calibration 6003a three phase electrical power calibrator is the most costeffective way to get the superior accuracy and performance of three independent phases in one instrument. Overview of single phase induction type energy meter. 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. Singlephase energy meter with tamper detection based on. It is used everywhere, no matter how big or small consumption it is. One single phase energy meter, one single phase load, stop watch and connecting wires. 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 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. This test is fragmented in two parts one is emission tests, and the other is immunity test. Depending on the external configuration and meter class, one or more of these stages can be omitted. Calibration and testing of single phase energy meter aim. Portable energy meter calibrator available including three phase, single phase meter test equipment. Watthour meter maintenance and testing, january 1992. Design and building a single phase smart energy meter using arduino and rf communication system proc. Costeffective and flexible single phase energy meter. No name type range quantity 1 single phase energy meter induction 1500revkwh 1 2 wattmeter upf 300v5a 1 3 voltmeter mi 0300v 1 4 ammeter mi 05a 1. Calibrating a singlephase energy meter based on the ade71xxade75xx family by meghan kaiserman, aileen ritchie, and dave smith. Single phase electricity is connected at 230 or 240 volts via 2 wires, active and neutral, and is found in most domestic settings.
Single phase, multifunction metering ic with neutral current measurement data sheet product highlight. Pspcl was incorporated as company on 1604 2010 and was given the responsibility of operating. Abb energy meters have the following instrumentation values as a minimum. A triple singlephase circuit can be represented in two ways see figures 3 and 4. Single phase induction type energy meter construction,working principle,operation,creeping,torque equation the measurement of energy is the same process as measurement of power except that the instrument not merely indicates the power or rate of supply of energy but must take into account also the length of time for which the rate of energy. This article focusses only on its constructional features and its working. A single phase microcontroller based energy meter conference paper pdf available in conference record ieee instrumentation and measurement technology conference 2. Note down the reading of two meters in a given period of time, say 2 minutes. Ade7752b 3phase, 3wire, and 4wire energy metering ic with. The total energy is the sum of the reading of both the elements. Power energy meter calibrators,3 phase power energy meter.
Experiment1 calibration of single phase energy meter aim. This application note describes the calibration procedure for computing single phase meter billing values. Single phase electric meter with isolated energy measurement design guide rev. 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. The electricity meters in our single phase meter range are all mid approved meters. The complete set up consists of two energy meters, wattmeter, voltmeter. The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. Overview power meters are sometimes referred to as energy meters and vice versa. Single phase energy meter with 80 a maximum current based on stpm10 metering ic and stm8l152c6 mcu with dual interface eeprom introduction this document describes the functioning of a single phase energy meter based on the. The user can set voltage, current, frequency, power factor etc. The device incorporates three adcs with a high accuracy energy measurement core. Implementation of a singlephase electronic watthour meter using.
Jan 15, 2018 in this video, i try to explain the concept of single phase electrical meter or single phase energy meter. Eq meters in bronze version from abb english pdf leaflet single phase. For this reason they can allow a power flow three time greater then the corresponding singlephase circuit. Give the connections as per the circuit diagram above. It measures line voltage and current and calculates active, reactive, and apparent energy, as well as instantaneous rms voltage and current. Single phase energy meter working of single phase induction. Singlephase electric meter with isolated energy measurement. Connect the currect coil of wattmeter m and energy meter c1 and an ammeter in series to phase terminal of singlephase variac. 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. It was formerly known as punjab state electricity board pseb. The only analog circuitry used in the ade7752b is in the. A single phase meter is used in alternating current systems. When designing a meter using the ade7953, a maximum of three calibration stages is required.
This design reference manual describes the solution for a single phase electricity meter based on the mcf51em256 microcontroller mcu. These graphics below shows the above idea in a very simple way. Product overview important information on using the mcp3909 3phase energy meter reference design including a getting started. 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. Pic18f87j72 singlephase energy meter calibration users. L and n correspond to the voltage inputs from the test setup. It is used in domestic and industrial ac circuit for measuring the power consumption. C to the pressure coil circuit by means of phase shifting transformer.
Gf112 portable single phase electric meter tester gf112 portable single phase standard meter is with human oriented design, handheld and lightweight portable. Implementation of a singlephase electronic watthour. Single point and fast calibration of the stpm10 for class 1 meter. Figure 1 shows typical connections of electronic electricity meters also called energy meters or emeters in reallife applications. Single phase, multifunction metering ic with neutral current. A single phase meter generally finds applications in all. Three phase portable energy meter calibration equipment. 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.
Figure 3 shows a simple capacitor power supply for a single output voltage of 3. It comes with suitable display with a range of communication options for local and remote monitoring. The energy is the total power consumed and utilised by the load at a particular interval of time. Calibrating a singlephase energy meter based on the ade7953 an67. An electromagnetic compatible test is the most important test which finally ensures the accuracy of the energy meter. Single phase, multifunction metering ic with neutral. Per definition, active power is a measure of what is required or consumed in order to perform useful work. Single phase meter components, constants, and ratios. Connection connect a single phase supply through a single phase variac. Meters are available in single phase and three phase also called trivector meter. Here we discuss the construction and working principle of induction type energy meter. This article is really good kurrey consultancy services november 25, 2018 at 2.
Singlephase energy meter with 80 a maximum current based. We make three phase power energy meter calibrator which is a source of ac voltage, ac current, power factor, frequency, time. The meter is designed to offer reliable energy measurement in single phase circuit and is highly suitable for metering and remote communication purposes. Visiontek 36sm single phase static electronic energy meter is designed to meter residential and small commercial energy consumers in distribution networks. 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.
Using the 6100a electrical power standard to calibrate energy. Electrical energy meters principles and applications. Gf302d1 three phase portable energy meter calibration equipment 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. How do you calibrate single phase energy meter by phantom. The basic working of single phase induction type energy meter is only focused on two mechanisms.
Grid meter, and used as control input for an ess system 1. Direct connection, either using the rs485 to usb interface with 1. It is suitable for electric power departments, measuring and quality examining departments and electric lab to field use. Application of leaded resistors in energy meters vishay. Electronic single phase watthour meter adopts largescale ic, the latest microelectronic technologies and smt techniques. Submetering provides a detailed picture of the energy consumption and the specific areas where energy is used. Microchip singlephase energy meter calibration tool. Portable single phase electric meter testerenergy meter.
Single phase induction type energy meter is also popularly known as watthour meter. Our new series 15 threephase and singlephase energy meters offer you a range of varied and lowcost applications when requirements call for metering and. The electromagnetic interference problem is very common today. Jul 25, 2018 a permanent magnet is used to produce breaking torque in single phase induction energy meters which are positioned near the corner of the aluminium disc. Numbers marked on the meter are proportion to the revolutions made by the aluminium disc, the main function of this system is to record the number of revolutions made by the. Thereby it is also a source of va, var, w, vahr, varhr, and whr. Triple singlephase system built using three separate singlephase systems six conductors figure 4. Meter calibration lag or power factor adjustment purpose adjusts the phase angle of the potential coil flux to lag the applied. The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. 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. The 1 phase power meter pcegpa 62 graphic power quality analyzer with network analyzer power and energy meter with data logger. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. To calibrate the energy meter using direct loading.
A simple capacitive power supply for the msp430 energy meter appropriate values of resistor r22 and capacitor c49 are chosen based on the required output current drive of the. Calibration and testing of singlephase energy meter. Two and threeelement meters are simply two or three single elements having a common shaft and register, which serve to totalize the energy measured by each element. Implementation of a singlephase electronic watthour meter. Single phase induction type energy meter working explained including constructional details. Energy meter is an instrument which measures electrical energy. Construction driving system, moving system, braking syatem, and registering system 4. Apr, 2012 introduction single phase induction meter 3. Single phase, residential energy meters, such as teridians 71m6511, use a shunt resistor combined with a current transformer ct to enable tamper detection. The ade7953 is a high accuracy electrical energy measurement ic intended for single phase applications. The three phase energy meter is used for measuring the large power consumption.
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