| 单词 | field winding |
| 例句 | An adjustable resistance or rheostat is connected in parallel with the field winding as shown in fig. Hawkins Electrical Guide, Number One 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 2011-12-24T03:07:54.823Z It acts to insert the resistance in series with the field winding when the speed falls, and this, in turn, results in restoring the speed to normal. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. To decrease the output of a reverse series generator, a resistance coil may be connected in series with the shunt field winding. The Automobile Storage Battery Its Care And Repair A dynamo in which the field winding is parallel with the winding of the armature. Electricity for Boys The field winding consists of copper strap on edge, one layer deep, with fibrous material cemented in place between turns, the edges of the strap being exposed. The New York Subway Its Construction and Equipment A multipoint switch is provided with connections to the field winding at various sections, thus permitting more or less of the field winding to be cut out to regulate its strength. Hawkins Electrical Guide, Number One 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 2011-12-24T03:07:54.823Z The method of varying the current through the field coils by means of a rheostat inserted in series with the field winding as shown in fig. Hawkins Electrical Guide, Number One 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 2011-12-24T03:07:54.823Z The regulation of the output of this type of generator is accomplished by means of a field winding which is in series with the armature, and which therefore carries the charging current. The Automobile Storage Battery Its Care And Repair This consists in dividing the field winding into a number of sections and throwing the sections in and out of circuit as shown in fig. Hawkins Electrical Guide, Number One 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 2011-12-24T03:07:54.823Z With respect to the ratio between the number of turns of the two field windings, the dynamo is spoken of as: 1. Hawkins Electrical Guide, Number One 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 2011-12-24T03:07:54.823Z |
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