FIELD: electrical engineering; electromechanical engineering. SUBSTANCE: contactless synchronous machine has armature winding and exciter field winding wound on stator and field winding wound on rotor. Field winding has at least two coils each closed through rectifier; rectifiers are differentially connected. According to invention, each of mentioned field windings is closed to rectifier through auxiliary winding. EFFECT: improved characteristics of distortion factor of sine-wave voltage curve, reduced power loss of machine. 1 dwg
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