electrostatic wattmeter

electrostatic wattmeter

[i′lek·trə‚stad·ik ′wät‚mēd·ər]
(engineering)
An adaptation of a quadrant electrometer for power measurements in which two quadrants are charged by the voltage drop across a noninductive shunt resistance through which the load current passes, and the line voltage is applied between one of the quadrants and a moving vane.
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