Single phase static energy meter working principle

It uses ad7755, a singlephase energy measurement ic to acquire and process the input voltage and current parameters. A singlephase meter is used in alternating current systems. This article focusses only on its constructional features and its working. Single phase energy meter theory pdf download mastercard. The working of single phase induction type energy meters are based on two main fundamentals. A single phase watt meter is use for measuring the wattage of the single phase electrical circuit, the big example of this is energy meters these are also the watt meter. The construction of the single phase energy meter is shown in the figure below. 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. 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.

The working principle of an electronic energy meter is a device that measures the electronic energy consumed usually in kwh. Technical specifications for single phase electronic energy meter of. The reading on the 3ph meter would equal the sum of the three separate readings on the single phase meters. The rotation of metallic disk is operated by two coils.

Electrical energy meters principles and applications. Particularly in this article, we are going to study about the working principles of singlephase electromechanical induction type energy meter and also about. The conventional mechanical energy meter is based on the phenomenon of magnetic induction. Single phase energy meter all you need to know toppr. A measuring system with three multipliers is required for 4wire threephase systems of unbalanced load with neutral conductor n. The principle of working and construction of induction type meter is very simple and easy to understand thats why these are widely used in.

The basic principles here apply equally to polyphase circuits. Several singlephase static energy meters were measured in. Single phase induction type energy meter working the control of speed is brought about by a permanent magnet called the brake magnet. Handbook on electricity meters asiapacific economic cooperation. The magnet is placed opposite to the electromagnet used for providing deflecting torque and it induces currents in the disc which produces retarding torque proportional to their magnitude which latter is proportional to the speed of the rotating system. Pdf static energy meter errors caused by conducted. The threewattmeter method can also be used in the absence of a neutral conductor if an artificial neutral is available. Revised july 1996 read specification for ac static electrical energy meters. The ac kilowatt hour meters used at present operate on the same principle.

Overview of single phase induction type energy meter. Single phase induction type energy meter is also popularly known as watthour meter. Disputed meters are initially verified with a check meter operating alongside. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. The detail explanation of their parts is written below. Induction type energy meter used invariably to measure the energy consumed in any a. The basic working of single phase induction type energy meter is only focused on two mechanisms. Energy meter working principle and construction electronic. The meter shall draw power for working of electronic circuit from phase and neutral. Based on the flow of current, the ferriwheel rotates which makes rotation of other wheels.