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 195
1 1 I i 200 V 200 Y. _i i_ 200 V. _i_ 115V. 115V. II5Y 1 i Fig. 2,022.—Delta-star connection of three transformers for low pressure, three phase, fourwire system. When lights only are used the neutral should be the same as themain conductors. The copper required in such a system for a givenpower… … Fig. 2,023.—Diagram of transformer connections for motors on the monocyclic system. Monocyclic Motor System.—Motors on the monocyclicsystem are operated from two transformers connected as shownin fig. 2,023. In the monocyclic system the single phase currentis used to supply the lighting load and…
Electrical engineering
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