Dsad331dtad341me2 smart type substation special energy meter dssd331dtsd3419d three phase high accuracy gateway meter dssd331dtsd3419a9b9c three phase fundamental waveharmonic wave gateway mete. It comprises a rotating aluminum disc placed on a spindle between two electromagnets. Construction driving system, moving system, braking syatem, and registering system 4. Overview of single phase induction type energy meter. Thus we need an integrating instrument which can measure and record the energy consumed by the load under varying load condition. Driving system moving system breaking system registering system 2. Pic18f87j72 singlephase energy meter calibration users guide. The energy is the total power consumed and utilised by the load at a particular interval of time. Pl explain 3 phase energy meter working principle and how can reduce electric cost 1 answers i hope the energy meter will consider only the amount of current flow in case if i improve p. Hxe34kp three phase four wire prepaid keypad meter is designed for the purpose of prepayment. Unless otherwise noted, the information contained in this manual refers to the. Type c solid core current transformer cable profile.
Three phase onerate electric meters are meant for measuring active or reactive electric energy consumption on 3 or 4 wire three phase networks. Three phase energy meter three phase modular smart energy meter. Induction type energy meter used invariably to measure the energy consumed in any a. Suggestions for changes in documents should be in the form of a. Single phase energy meter working of single phase induction.
Please share your comments and suggestions on the comment section given below. This type of smart meter is designed for lv or hv three phase users. Single phase induction type energy meter slideshare. Induction type energy meter essentially consists of following components. The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. The unit is 1 vars for sampled data voltage and current. The simplest such instrument is single phase induction type energy meter. 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 principle of working and construction of induction type meter is very simple. About 92% of these are energy meters, 3% are power meters.
Single phase energy meter single phase induction type energy meter is also popularly known as watthour meter. Suggestions for changes in documents should be in the form of a proposed. This is used in each and every house and industry for calculating the energy consumed by them. Solenoids or capacitors, which are passive type elements induce reactive power. There are four main parts of the operating mechanism of single phase induction type. Product overview important information on using the mcp3909 3phase energy meter reference design including a getting started. Working of single phase induction type energy meter. Working of single phase induction type energy meter the basic working of single phase induction type energy meter is only focused on two mechanisms.
Induction type watthour meter electrical engineering. The meter has been granted eec model approval certificate by. Driving elements for application in three phase threewire systems or fourwire systems star connection with current ratings up to 100 a, designed for direct connection and ct 5a or 1a. Threephase and singlephase energy meters, highquality pdf. Suitable for house building, commercial building, switch board room, power distribution box etc. Single phase induction type energy meters electrical concepts. When the energy meter is connected in the circuit, the current coil carries the load current and the pressure coil carries the current proportional to the supply voltage. Digital micro systems pte ltd is induldge in business of smart metering use our three phase energy meter, excellent product for customers with three phase four wire dc connection requirement. Electrical energy meters principles and applications. 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. After the acquisition of the stator current samples at 10 khz sampling. Feb 15, 2014 induction type measuring instrument energy meter 1. Ieee std 1122004, ieee standard test procedure for polyphase.
The basic working of single phase induction type energy meter is only focused on two mechanisms. Lysm310 series three phase smart energy meter is a highly advanced smart meter to measure. The copper shading bands are also called the power factor compensator or compensating loop. What is the working principle of three phase energy meter. Use of instrument transformers for extension of instrument range. The base of the meter should preferably be opaque so that internal circuitry and design are not visible from outside and push fit type meter box shall be fully transparent designed and constructed in a manner to avoid any danger during use under normal working condition including personal safety against electric shock.
Therefore, this type of meter is also called an integrating meter. The meter is equipped with several communication port, it has a remote interface, which is using for ami system building. Single phase induction type energy meter is also popularly known as watthour meter. Not available with security options rmican or rmicanseal. A wide variety of three phase digital energy meter options are available to you, such as type, phase, and display type.
The rotation speed of the disc is proportional to the power, and this power is integrated by the use of gear trains and counter mechanism. Ade7752b 3phase, 3wire, and 4wire energy metering ic with. A power meter is a multifunction, digital instrumentation, data acquisition and. Suitable for house building, commercial building, switch board room, power distribution box. Three phase energy meter three phase modular smart. An energy meter is used to measure the energy consumed in the kilowatt hours. Pl explain 3 phase energy meter working principle and how. The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. Threephase electric motor selection and application.
Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. The total energy is the sum of the reading of both the elements. Pic18f87j72 singlephase energy meter calibration users guide 2011 microchip technology inc. Spm93 is a three phase configuration energy meter suit for ac lv voltage system. Pl explain 3 phase energy meter working principle and how can reduce electric cost and reduce the current flow in mains circuit,is it will help to reduce my electricity bill, and. However, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. The line currents to each phase of the motor shall be measured, and the.
Function the parameters to be measured are supplied to an integrated module via external current transformers oder directly via thoughholes. The type of shorts could be of the following types 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. Lysm310 series threephase smart energy meter is a highly advanced smart meter to measure. Three phase dinrail energy meter hong kong manufacturer. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. Its main functions include energy measurement, data display, communication, prepayment, contactor control, keypad input and inquiry, antitampering, etc. The product of i and v of which phase shift angle of. Single phase induction type energy meters electrical. Apr, 2012 single phase induction type energy meter 1.
This article is only focused about its constructional features and its working. Abstract stator f aults typically have a significant share amongst the common. The three phase meter is constructed by connecting the two single phase meter through the shaft. The commercial unit of electrical energy is kilowatt hour kwh. The unit is 1 var energy a is called passive energy a reactive qt. Mcp3909 3phase energy meter reference design using.
This manual covers squirrel cage rotor motor where. This type of meter designed for mounting to panel directly with convenient and easy to install. In all induction meters we have two fluxes which are produced by two different alternating currents on. It is a wellknown and most common type of ageold energy meter. Jun 08, 2016 thus we need an integrating instrument which can measure and record the energy consumed by the load under varying load condition. Understanding the basic theory of shieldedpole shunt magnet. 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. A 3 phase energy meter has same elements as in case of a single phase energy meter. Single phase electromechanical induction energy meter. Their construction and operation comply with the technical requirements provided by iec 6205311, en 504702, din 43857 and iec 60145 standards. It is used in domestic and industrial ac circuit for measuring the power consumption. Study of single phase induction type energy meter or watt. Energy meters 3 energy meter for three phase current with current transformer or direct connection type. Jul 25, 2018 the principle of working and construction of induction type meter is very simple and easy to understand thats why these are widely used in measuring energy in domestic as well as industrial world.
This either takes place at the same time as heating consumption is read or centrally, e. Energy meter is an integrating instrument which measures the total quantity of electrical energy supplied to the circuit in given period. The series electromagnet is energized by a coil, known. Pdf detection of stator short circuit faults in threephase induction. Pic18f87j72 singlephase energy meter calibration users. Induction type energy meter ii electrical technology ii unit 3 s. Oct 23, 2017 induction type energy meter ii electrical technology ii unit 3 s. Explain basic principle and development of torque expressions for energy meter. A single phase meter is used in alternating current systems. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. Type sy1040 three phase din rail watthour meter is a kind of new style three phase electronic watthour meter, the meter completely accord with relevant technical requirements of class 1 and class 2 single phase energy meter stipulated in national standard gbt172152002 and international standard iec61036. Spm93 three phase din rail energy meter ac energy meter.
617 532 270 1428 651 625 874 271 67 1513 1622 1402 1616 641 1128 929 541 919 375 553 889 990 808 676 923 1361 576 1615 1000 1582 970 261 1068 1044 799 37 1580 411 1353 869 477 1148 1279 958 208