Implementation of a singlephase electronic watthour meter using. Single phase, residential energy meters, such as teridians 71m6511, use a shunt resistor combined with a current transformer ct to enable tamper detection. Overview of single phase induction type energy meter. The meter complies with national and international metering standards. The device incorporates three adcs with a high accuracy energy measurement core. 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.
Triple singlephase system built using three separate singlephase systems six conductors figure 4. Electrical energy meters principles and applications. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. Pic18f87j72 singlephase energy meter calibration users guide. Figure 3 shows a simple capacitor power supply for a single output voltage of 3. The ade7953 is a high accuracy electrical energy measurement ic intended for single phase applications. To study the construction and working of single phase energy meter and to find out energy consumed in 30 minutes.
Construction driving system, moving system, braking syatem, and registering system 4. Our new series 15 threephase and singlephase energy meters offer you a range of varied and lowcost applications when requirements call for metering and. 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. Um1529 features doc id 022953 rev 1 735 1 features low cost single phase energy meter solution supports iec 61036. Pdf design and building a singlephase smart energy. Single phase meter components, constants, and ratios. Design and building a single phase smart energy meter using arduino and rf communication system proc. 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. 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. 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. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. The main alterations are the provision of only one pressure coil upon the. Submetering provides a detailed picture of the energy consumption and the specific areas where energy is used.
The energy is the total power consumed and utilised by the load at a particular interval of time. Direct connection, either using the rs485 to usb interface with 1. 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. Here we are going to discuss the single phase induction type in detail. The red wire shows the live or line or phase and the blake shows the neutral wire. Electronic single phase watthour meter adopts largescale ic, the latest microelectronic technologies and smt techniques. Analog devices recently released the ade9153a, which is a 5. Give the connections as per the circuit diagram above. Single phase, multifunction metering ic with neutral. 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. It was formerly known as punjab state electricity board pseb. A single phase microcontroller based energy meter conference paper pdf available in conference record ieee instrumentation and measurement technology conference 2. Thereby it is also a source of va, var, w, vahr, varhr, and whr.
A single phase meter is used in alternating current systems. Portable single phase electric meter testerenergy meter. These power measurement instruments are ideally suited to applications where reliable, precise measurements are required, but where. This article focusses only on its constructional features and its working. Abb energy meters have the following instrumentation values as a minimum. 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. 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.
The three phase energy meter is used for measuring the large power consumption. Meter calibration lag or power factor adjustment purpose adjusts the phase angle of the potential coil flux to lag the applied. 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. To calibrate and test the given single phase energy meter by direct loading. Single phase electric meter with isolated energy measurement design guide rev.
When designing a meter using the ade7953, a maximum of three calibration stages is required. Meters are available in single phase and three phase also called trivector meter. 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. 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. The only analog circuitry used in the ade7752b is in the. C to the pressure coil circuit by means of phase shifting transformer. Singlephase electric meter with isolated energy measurement. 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. These graphics below shows the above idea in a very simple way.
The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. Apr, 2012 introduction single phase induction meter 3. Single phase meter components, constants, and ratios presented by scott sutton. Below is the most common inner connection of of 3 phase energy meter. Gf112 portable single phase electric meter tester gf112 portable single phase standard meter is with human oriented design, handheld and lightweight portable.
This article is really good kurrey consultancy services november 25, 2018 at 2. The total energy is the sum of the reading of both the elements. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. About pspcl punjab state power corporation limited pspcl is the electricity generating company of the government of punjab state in india. Connection connect a single phase supply through a single phase variac. 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. Calibrating a singlephase energy meter based on the ade71xxade75xx family by meghan kaiserman, aileen ritchie, and dave smith. Single phase digital energy metermeter connection how to. English pdf leaflet single phase electricity meters a41 and a42.
Singlephase energy meter with 80 a maximum current based. A wide variety of single phase energy meter options are available to you, such as single phase, single, and three phase. Single phase, multifunction metering ic with neutral current measurement data sheet product highlight. It is reliable and accurate hence it has demand in calibration testing laboratories, power energy meter manufacturers. It is used everywhere, no matter how big or small consumption it is. Connect the currect coil of wattmeter m and energy meter c1 and an ammeter in series to phase terminal of singlephase variac. 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. Costeffective and flexible single phase energy meter. Pic18f87j72 singlephase energy meter calibration users. Ade7752b 3phase, 3wire, and 4wire energy metering ic with. Energy meter is an instrument which measures electrical energy. The ade7752b specifications surpass the accuracy requirements as quoted in the iec6205321 standard. Application of leaded resistors in energy meters vishay.
Grid meter, and used as control input for an ess system 1. Induction type energy meter used invariably to measure the energy consumed in any a. Working of single phase induction type energy meter. 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. Power energy meter calibrators,3 phase power energy meter. The basic working of single phase induction type energy meter is only focused on two mechanisms. 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. 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. It measures line voltage and current and calculates active, reactive, and apparent energy, as well as instantaneous rms voltage and current.
Single phase induction type energy meter is also popularly known as watthour meter. It is an ideal solution for calibration laboratories, electronics manufacturers, electric utility meter shops, and other organizations that manufacture and. This document is the manual for the single phase max 100 a energy meter. Mcp3909 3phase energy meter reference design using. Depending on the external configuration and meter class, one or more of these stages can be omitted. A triple singlephase circuit can be represented in two ways see figures 3 and 4. The three phase meter is constructed by connecting the two single phase meter through the shaft. It uses ad7755, a single phase energy measurement ic to acquire and process the input voltage and current parameters.
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. Smart meters enable twoway communication between the meter and the central system, preventing tampering. Ti designs isolated communications between metrology afe. Energy meters energy efficiency devices modular din. For this reason they can allow a power flow three time greater then the corresponding singlephase circuit. Calibration and testing of single phase energy meter aim. Pdf a single phase microcontroller based energy meter. Phasor diagram of single phase induction type energy meter 6.
Single point and fast calibration of the stpm10 for class 1 meter. Mar 27, 2018 the ade9153a from analog devices is a singlephase energymetering ic that includes autocalibration. Jul, 2016 operating principle of single phase induction type energy meter. The design measures active power, voltage, current, power factor and line frequency in a single phase distribution environment and displays active energy, voltage. This design reference manual describes the solution for a single phase electricity meter based on the mcf51em256 microcontroller mcu. However the meter should withstand the maximum system voltage.
An electromagnetic compatible test is the most important test which finally ensures the accuracy of the energy meter. However, the material herein will provide sufficient information for testing singlephase and polyphase meters of other current and voltage ratings by. 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. Eq meters in bronze version from abb english pdf leaflet single phase.
How do you calibrate single phase energy meter by phantom. Energy meters are the basic part to measure the power consumption. Singlephase powerenergy meter with tamper detection application note 2566b. Single phase, multifunction metering ic with neutral current. The electromagnetic interference problem is very common today. Figure 1 shows typical connections of electronic electricity meters also called energy meters or emeters in reallife applications. These mid meters are all compact and lightweight and rated as class 1 and 2, so you can rely on electricity meter accuracy. Visiontek 36sm single phase static electronic energy meter is designed to meter residential and small commercial energy consumers in distribution networks.
It comes with suitable display with a range of communication options for local and remote monitoring. Fulfills iec 61036 accuracy requirements for class 1 meters. The electricity meters in our single phase meter range are all mid approved meters. A single phase meter generally finds applications in all. It is suitable for electric power departments, measuring and quality examining departments and electric lab to field use. Calibrating a singlephase energy meter based on the ade7953 an67. 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. 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. Portable energy meter calibrator available including three phase, single phase meter test equipment. This test is fragmented in two parts one is emission tests, and the other is immunity test.
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. Using the 6100a electrical power standard to calibrate. Frequently asked questions faqs analog devices energy ade products data sheet ade7953. Implementation of a singlephase electronic watthour. Technical specifications for three phase energy meter. Note down the reading of two meters in a given period of time, say 2 minutes.
The user can set voltage, current, frequency, power factor etc. Mechanism of counting and displaying the amount of energy transferred. Single phase energy meter working of single phase induction. The meter is designed to offer reliable energy measurement in single phase circuit and is highly suitable for metering and remote communication purposes. Product overview important information on using the mcp3909 3phase energy meter reference design including a getting started. To calibrate the energy meter using direct loading. I2c interface between the ade7953 and the aducm360 an639.
We make three phase power energy meter calibrator which is a source of ac voltage, ac current, power factor, frequency, time. 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. 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 application note describes the calibration procedure for computing single phase meter billing values. Microchip singlephase energy meter calibration tool. It is used in domestic and industrial ac circuit for measuring the power consumption. Jan 15, 2018 in this video, i try to explain the concept of single phase electrical meter or single phase energy meter.
Here we discuss the construction and working principle of induction type energy meter. Drm121, mqxenabled mcf51em256 singlephase electricity meter. Single phase power energy meter calibrator is used for calibration of energy meters, wattmeters, va meters, var meters, pf meters. Calibration and testing of singlephase 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. Three phase portable energy meter calibration equipment. Experiment1 calibration of single phase energy meter aim. One single phase energy meter, one single phase load, stop watch and connecting wires. Watthour meter maintenance and testing, january 1992. 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. The article also discusses common tampering methods and ways to detect them. The 1 phase power meter pcegpa 62 graphic power quality analyzer with network analyzer power and energy meter with data logger. Singlephase energy meter with tamper detection based on. Per definition, active power is a measure of what is required or consumed in order to perform useful work.
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