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 121
power factor then Is M + S winch is less THE POWER FACTOR 1,109 of instantaneous volts and amperes taken at various points, thepower curve is obtained, a portion of which lies below the hori-zontal line. The significance of this is that at certain times, thecurrent is flowing in the opposite… … Fig. 1,351.—Steam engine analogy of power factor. The figure represents an indicator cardof an engine in which the steam distribution is such that the steam is expanded belowthe back pressure line, that is below the pressure of the exhaust. This results in negativework which must be overcome by the…
Electrical engineering
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