Click here to download the pdf of this topic single phase energy meter. Procedure for calibration and testing of single phase energy meter. Can you guys suggest some microcontroller for this project. Here we are going to discuss the single phase induction type in detail.
Single phase induction type energy meter working explained including constructional details. The 1 phase power meter pcegpa 62 graphic power quality analyzer with network analyzer power and energy meter with data logger. Single phase electricity meters gas meters energy meters. Ade7752b 3phase, 3wire, and 4wire energy metering ic with. Electronic single phase watthour meter adopts largescale ic, the latest microelectronic technologies and smt techniques. 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. The simplest such instrument is single phase induction type energy meter. Jul, 2016 operating principle of single phase induction type energy meter. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. This design implements a highaccuracy single phase embedded energy measurement application using msp430afe253. This electronic meter does not possess any rotating parts, and the. Design and building a singlephase smart energy meter using arduino and rf communication. Calculating and measuring power in three phase circuits 1. Study of single phase induction type energy meter or watt.
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. Electric utilities use electric meters installed at customers premises for billing purposes. C to the pressure coil circuit by means of phase shifting transformer. Pdf this paper presents a single phase electrical energy meter based on a microcontroller from. What are the advantages and disadvantages of usual energy meters. Here we discuss the construction and working principle of induction type energy meter. It is used in domestic and industrial ac circuit for measuring the power consumption. One single phase energy meter, one single phase load, stop watch and connecting wires. And also for reading the current ct is used which is inductive and current will lag. It is used everywhere, no matter how big or small consumption it is. Compatible with 3 phase, 3wire delta and 3 phase, 4wire wye configurations supplies average active power on the frequency outputs f1 and f2 high frequency output cf is intended for calibration and supplies instantaneous active power logic output revp indicates a potential miswiring or negative power on the sum of all phases.
Electromechanical energy meters have been the standard for metering the electricity since billing began. 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. 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. Give the connections as per the circuit diagram above. Introduction the generation and transmission of electricity is commonly accomplished by means of three phase circuits. Pdf design and building a singlephase smart energy meter using. 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 digital energy meter all about circuits. 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. 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 software can be downloaded for free from the eltako homepage.
Ade7752b 3phase, 3wire, and 4wire energy metering ic. Single phase energy meter working of single phase induction. Single phase energy meter on sales quality single phase. Presented here is a simple energy meter using analog devices ade7757 chip for singlephase, 2wire phase and neutral systems used in households. A single phase meter is used in alternating current systems. Detailed information and tools for energy meter interfaces can be downloaded from the gossen metrawatt homepage, under the section.
Although electrical service to residential buildings in the usa are exclusively by single phase circuits, electrical. What is the solution for the drawbacks of commonly used energy meters. Single phase induction type energy meter is also popularly known as watthour meter. Single phase induction motor the single phase induction machine is the most frequently used motor for refrigerators, washing machines, clocks, drills, compressors, pumps, and so forth. Single phase two wire, whole current meter, direct reading type. 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. Single phase energy meter theory pdf download mastercard. Singlephase powerenergy meter with tamper detection application note 2566b. The main alterations are the provision of only one pressure coil upon the. Calculating and measuring power in three phase circuits. Single phase circuit diagram of the device enclosed.
Main features lcd with 8 digits display format for energy record and meter status. Implementation of a singlephase electronic watthour meter. I am starting a project for single phase energy meter reading. Dds102j1 single phase electronic energy meter register display ddsy102k3 single phase electronic type prepayment energy meter ddsy102k7 single phase electronic type microwireless energy meter. Pdf a single phase microcontroller based energy meter. Jul 25, 2018 we cannot think of life without electricity and when there is electricity consumption there is a need to measure its consumption. These mid meters are all compact and lightweight and rated as class 1 and 2, so you can rely on electricity meter accuracy. The calibration event can be automated, removing the timeconsuming manual trimming. The three phase meter is constructed by connecting the two single phase meter through the shaft. Single phase induction type energy meter slideshare. Jul 25, 2018 energy meters are the basic part to measure the power consumption. I am currently studying msp430afe2xx from texas instrument, any pointers for this ic. Single phase induction type energy meters electrical concepts. Electrical measurements lab manual pdf em lab manual pdf.
Energy meter circuit detailed project with source code. Working of single phase induction type energy meter. Direct display with the singlephase energy meter with energy consumption indicator eva1232a. The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. Meter hardware the energy meter hardware consists of a power supply, an analog front end, a microcontroller section, and an interface. Calibration and testing of singlephase energy meter.
Apr, 2012 introduction single phase induction meter 3. The theory of the aron circuit can be demonstrated with the following equations. Single phase digital energy metermeter connection youtube. The single phase electrical energy meter principle block diagram is. The construction of the single phase energy meter is shown in the figure below. The commercial unit of electrical energy is kilowatt hour kwh. Level of automation achieved and lists of areas where manual processing exists. It is used in domestic and industrial ac circuit for measuring the power. Electrical energy meters principles and applications.
Ere0 set during the calibration process, where, for a 1kw. The total energy is the sum of the reading of both the elements. It features in high accuracy, low power consumption and reliable stability and superior antitampering functions. 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. There are four main parts of the operating mechanism of single phase induction type. But these are now being gradually replaced by electronic digital energy meters. Technical specifications for single phase electronic energy meter of. Hxe12r electronic meter is developed and manufactured by hexing.
Mid meters require no subsequent calibration with calibration mark. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. To see other topics in basic electrical and electronics engineering click here. Calibrating a singlephase energy meter based on the ade71xxade75xx family by meghan kaiserman.
The single phase motor stator has a laminated iron core with two windings arranged perpendicularly. Phasor diagram of single phase induction type energy meter 6. The basic working of single phase induction type energy meter is only focused on two mechanisms. In every residence, malls, industry, everywhere energy meters are used to measure the electrical energy consumed. Jan 15, 2018 in this video, i try to explain the concept of single phase electrical meter or single phase energy meter. Design easily downgrades to fit normal singlephase energy metering. Mechanism of counting and displaying the amount of energy transferred. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device. To download the firmware into the meter first open the compiler workspace.
The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. Energy meter is an instrument which measures electrical energy. Implementation of a singlephase electronic watthour. Threephase and singlephase energy meters, highquality pdf. 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. Figure 3 shows a simple capacitor power supply for a single output voltage of 3. Electronic energy meter is based on digital micro technology dmt and uses no moving parts. This paper presents a single phase electrical energy meter based on a microcontroller from microchip technology inc. For more details about single phase energy meter click here. 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.
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