POWER SYSTEM WITH INDUCTION STARTER-GENERATOR Russian patent published in 2001 - IPC

FIELD: power supplies for off-line loads such as motor cars to start drive engines. SUBSTANCE: system incorporating induction machine with semiconductor (valve-type) electrical energy converter is provided with additional dc converter having control input, converter control device, controlled switch, capacitor connected to dc leads of valve-type converter, and induction-machine stator voltage sensor whose output is connected to input of automatic-control unit; additional dc converter is connected between storage battery leads and valve-type dc converter leads; sensor leads with controlled member inserted in-between are connected through controlled switch. EFFECT: enlarged operating speed range of machine when running as generator. 2 cl, 2 dwg