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 167
ground on the positive side, one lampwill bum brighter, the brightness depending on the resistance of the ground. If therebe a dead ground, the lamp will bum to its full candle power. Oues. What is the indication that the connectionsbetween the field coils and armature are reversed ? Ans. If the… … ARMATURE Pig. 678.—Method of correcting reversed polarity in large shunt d>Tiaiiio by transposing theshunt field leads, and then starting up the machine. As soon as the voltmeter registersany voltage, the dynamo may be stopped and the field leads restored to their originalposition, when it will…
Electrical engineering
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