Three-phase three-wire active energy meter wiring circuit diagram

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The three-phase three-wire active energy meter operates using two sets of driving components that act on one or two aluminum discs mounted on the same rotating shaft. This design is fundamentally similar to that of a single-phase watt-hour meter. The principle behind its operation relies on the interaction between magnetic fields and current flow to measure electrical energy consumption accurately. The circuit diagram of the three-phase watt-hour meter is illustrated below, showing the internal configuration of the components involved in power measurement. Understanding this layout helps in identifying how the meter distinguishes between different phases and ensures precise energy tracking. Such meters are widely used in industrial and commercial applications where accurate power measurement across three phases is essential.