CPC H02J 9/066 (2013.01) [H02J 9/062 (2013.01); H02K 3/28 (2013.01)] | 20 Claims |
1. An apparatus for uninterruptible power supply comprising
a rotating electric machine having a generator winding and a plurality of motor windings, the motor windings of the plurality of motor windings being electrically insulated from the generator winding, and the motor windings of the plurality of motor windings being electrically insulated from one another, and,
for each motor winding of the plurality of motor windings, an energy storage for electric energy and an inverter outputting an alternating current, wherein the energy storage is connected to the respective motor winding via the inverter.
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