Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 394
is discharged at the top ofthe case. In this way the heat of the winding and core isdissipated. Principles of Transformer Operation.—The principleupon which transformers operate is known as mutual induc-tance and was explained in Fig. 187, Chapter XII. Here itwas shown that if a conductor was in… … Fig. 438.—Two coils on iron core. This principle is enlarged upon in Fig. 438; here two coils Band C are wound on an iron core A. Coil C is connected to asource of direct current and at the moment the switch S isclosed, a current flows through coil C, causing A to become amagnet. The magnetic field…
Electric machinery
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