Overview of single phase induction type energy meter. Singlephase powerenergy meter with tamper detection application note 2566b. The energy is the total power consumed and utilised by the load at a particular interval of time. 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.
Threephase and singlephase energy meters, highquality pdf. 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. Jul 25, 2018 energy meters are the basic part to measure the power consumption. Click here to download the pdf of this topic single phase energy meter. Give the connections as per the circuit diagram above. The 1 phase power meter pcegpa 62 graphic power quality analyzer with network analyzer power and energy meter with data logger. Level of automation achieved and lists of areas where manual processing exists. 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. Presented here is a simple energy meter using analog devices ade7757 chip for singlephase, 2wire phase and neutral systems used in households. Ere0 set during the calibration process, where, for a 1kw. A more complex atom is the copper atom, which has 29. Single phase whole current energy meter residential.
Calibrating a singlephase energy meter based on the ade71xxade75xx family by meghan kaiserman. Hxe12r electronic meter is developed and manufactured by hexing. This electronic meter does not possess any rotating parts, and the. I am currently studying msp430afe2xx from texas instrument, any pointers for this ic. Here we are going to discuss the single phase induction type in detail. Single phase induction type energy meter working explained including constructional details. These mid meters are all compact and lightweight and rated as class 1 and 2, so you can rely on electricity meter accuracy. Induction type energy meter used invariably to measure the energy consumed in any a. Pdf this paper presents a single phase electrical energy meter based on a microcontroller from. 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 single phase electrical energy meter principle block diagram is. Electronic energy meter is based on digital micro technology dmt and uses no moving parts. The software can be downloaded for free from the eltako homepage. Note down the reading of two meters in a given period of time, say 2 minutes. Jul, 2016 operating principle of single phase induction type energy meter.
The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power 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. Implementation of a singlephase electronic watthour. Jun 08, 2016 thus we need an integrating instrument which can measure and record the energy consumed by the load under varying load condition. Single phase digital energy meter all about circuits. The single phase motor stator has a laminated iron core with two windings arranged perpendicularly. It is used in domestic and industrial ac circuit for measuring the power consumption. This manual is for single phase energy meter for active energy. One single phase energy meter, one single phase load, stop watch and connecting wires. Ade7752b 3phase, 3wire, and 4wire energy metering ic. Single phase circuit diagram of the device enclosed. Apr, 2012 introduction single phase induction meter 3.
Dds102j1 single phase electronic energy meter register display ddsy102k3 single phase electronic type prepayment energy meter ddsy102k7 single phase electronic type microwireless energy meter. 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. Electrical energy meters principles and applications. It is used in domestic and industrial ac circuit for measuring the power. This paper presents a single phase electrical energy meter based on a microcontroller from microchip technology inc. Jan 15, 2018 in this video, i try to explain the concept of single phase electrical meter or single phase energy meter. It features in high accuracy, low power consumption and reliable stability and superior antitampering functions. The calibration event can be automated, removing the timeconsuming manual trimming.
What is the solution for the drawbacks of commonly used energy meters. Meter hardware the energy meter hardware consists of a power supply, an analog front end, a microcontroller section, and an interface. Technical specifications for single phase electronic energy meter of. Energy meter circuit detailed project with source code. The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. Procedure for calibration and testing of single phase energy meter. The commercial unit of electrical energy is kilowatt hour kwh. And also for reading the current ct is used which is inductive and current will lag. Single phase energy meter working of single phase induction. 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. Single phase digital energy metermeter connection youtube. Figure 3 shows a simple capacitor power supply for a single output voltage of 3. To download the firmware into the meter first open the compiler workspace. Single phase electricity meters gas meters energy meters.
Working of single phase induction type energy meter. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers. Single phase energy meter theory pdf download mastercard. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. Study of single phase induction type energy meter or watt. Electromechanical energy meters have been the standard for metering the electricity since billing began. Single phase energy meter on sales quality single phase. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. Main features lcd with 8 digits display format for energy record and meter status. Pdf design and building a singlephase smart energy meter using.
Implementation of a singlephase electronic watthour meter. 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 electricity is connected at 230 or 240 volts via 2 wires, active and neutral, and is found in most domestic settings. The theory of the aron circuit can be demonstrated with the following equations. For more details about single phase energy meter click here. Electrical measurements lab manual pdf em lab manual pdf. Single phase induction type energy meter is also popularly known as watthour meter. Calibration and testing of singlephase energy meter.
The total energy is the sum of the reading of both the elements. Here we discuss the construction and working principle of induction type energy meter. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. Energy meter is an instrument which measures electrical energy. Calculating and measuring power in three phase circuits. Design and building a singlephase smart energy meter using arduino and rf communication. I am starting a project for single phase energy meter reading. Finally, this design demonstrates a method for meter calibration using the.
Electric utilities use electric meters installed at customers premises for billing purposes. Jul 25, 2018 we cannot think of life without electricity and when there is electricity consumption there is a need to measure its consumption. A single phase meter is used in alternating current systems. Construction driving system, moving system, braking syatem, and registering system 4. 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. Single phase induction type energy meter slideshare. Direct display with the singlephase energy meter with energy consumption indicator eva1232a. Single phase two wire, whole current meter, direct reading type.
Although electrical service to residential buildings in the usa are exclusively by single phase circuits, electrical. Can you guys suggest some microcontroller for this project. Electronic single phase watthour meter adopts largescale ic, the latest microelectronic technologies and smt techniques. The electricity meters in our single phase meter range are all mid approved meters. It is used everywhere, no matter how big or small consumption it is. The three phase meter is constructed by connecting the two single phase meter through the shaft. Single phase induction type energy meters electrical concepts. What are the advantages and disadvantages of usual energy meters. Mid meters require no subsequent calibration with calibration mark. 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.
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. C to the pressure coil circuit by means of phase shifting transformer. Pdf a single phase microcontroller based energy meter. In every residence, malls, industry, everywhere energy meters are used to measure the electrical energy consumed. 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. This design implements a highaccuracy single phase embedded energy measurement application using msp430afe253. Design easily downgrades to fit normal singlephase energy metering. The construction of the single phase energy meter is shown in the figure below. The main alterations are the provision of only one pressure coil upon the. Calculating and measuring power in three phase circuits 1. This article focusses only on its constructional features and its working. Introduction the generation and transmission of electricity is commonly accomplished by means of three phase circuits. The simplest such instrument is single phase induction type energy meter.
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