Electrodynamometer Wattmeter – Construction

Electrodynamometer Wattmeter are often used for the measurement of power consumption. The construction of such instrument similar to the construction of electrodynamometer type ammeter and voltmeter. An electrodynamometer wattmeter have two types of coils. One coil is fixed and another coil is moving. The fixed coil is connected in series to the circuit whose power … Read more