Working Principle Of Three Phase Meter

An electric energy meter is the most basic equipment for electric energy measurement, referred to as an electric meter. A three-phase meter is a kind of electricity meter we know more about. Today we will talk about the three phase meter .

Due to the different wiring methods of the measuring circuit, the three-phase active energy meter is divided into a three-phase three-wire system and a three-phase four-wire system. Three-phase four-wire active watt-hour meter (DT type) can measure the active energy of three-phase four-wire symmetrical or asymmetrical load; while three-phase three-wire active watt-hour meter (DS type) can only be used for three-phase three-wire symmetrical Or asymmetric load is used for the measurement of active power.

The working principle of the three-phase three-wire active electric energy meter is the same as that of the single-phase active electric energy meter. The three-phase active electric energy meter generates a magnetic field by current and voltage components, and at the same time interacts with the braking torque to make the aluminum plate in The speed obtained in the magnetic field is proportional to the active power of the load, to achieve the purpose of measuring electric energy.

The metering methods of the three-phase meter and the Electromechanical KWh Meter are somewhat different, but the working principles are the same.
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