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 131
er is equal to the apparent watts multiplied bythe power factor, or true power = volts X amperes X cos 6 « 100 X 20 X .602 = 1,204 watts. Ques. Prove that the power factor is unity when thereis no resultant reactance in a circuit. When there is no reactance, tan£ which is equal toreactance ■*■… … POWER rACTOR IS UNITY WHENTHE. REACTANCE 15 ZERO Figs. 1,361 to 1,365.—Diagrams illustrating why the power factor is unity or one when thereis no resultant reactance in the circuit, that is, when the circuit is resonant, or has onlyresistance. The power facror is equal to the cosine of the angle of…
Electrical engineering
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