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What is Working Principle of Dynamometer Wattmeter about?

This document discusses the construction and working of a 3-phase dynamometer wattmeter. It explains that the wattmeter contains two fixed coils connected in series with the supply lines and two moving coils connected across the lines. The fixed and moving coils make up two elements that are mounted on a single spindle to integrate the power measured by each element. It also describes how the mutual effects between the two elements are eliminated to provide an accurate total power reading.

Author

Kornepati Suresh

Language

EN