SYNCHRONOUS ELECTRIC MOTOR Russian patent published in 1995 - IPC

Abstract RU 2028719 C1

FIELD: electrical engineering. SUBSTANCE: synchronous motor is inserted with three-phase transformer 1 with primary winding 3 for connection to network and two secondary windings 4, 5 coupled to armature windings 6, 7 of synchronous motor accordingly. This provides for identity of armature windings and voltage across excitation winding 9 is determined not only by ratio of number of turns of windings 6, 7 but by voltage of windings 4, 5 of transformer. EFFECT: improved stability of operational characteristics. 1 dwg

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RU 2 028 719 C1

Authors

Strizhkov I.G.

Dates

1995-02-09—Published

1991-01-11—Filed