Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 317
meter type, the phase relation between the pressure andthe current fluxes is such that on a non-inductive load the torque is zero. For instance, in a dynamometer wattmeter, the pressure circuit ismade highly inductive and the instrument then indicates volts X am-peres X smi <(> instead of… … Fig. 2.579.—Single phase power factor meter of the rotating field or disc type Ques. Describe a single phase power factor meter ofthe disc or rotating field type. Ans. It consists of two pressure coils, as shown in fig. 2,579, placed at right angles to each other, one being connected through a…
Electrical engineering
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