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 284
nd three phase three wire and fourwire circuits. Meters for circuits of more than 300 amperes or 500 volts require trans-formers, but, like the self-contained meters, are tffltfid AQ JfVliifTt0*^ m kilowatthours on the dial, without a multiplying constant. .bratcd to rW*J direct gftftCOUEGEUBRMb… … A START + B 0 c D 0 Ar i PERIOD o - 0 0 5 PERIOD - 0 0 - | PERIOD 0 0 - 0 FULL PERIOD/ 0 _ 0 + i-cc o ce LlJ. Q. aoat O- o <X UJ a. U-UJQ. shunt-
Electrical engineering
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