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Electrical machines with 6-phase winding and phase axes distributed at 30o, 90o,30o etc. possess identical properties as 12-phase machines. Induction motors with such windings have higher efficiency and operate more silently than 3-phase mahines. Electrical energy sources basing on 6-phase synchronous generators (eg. hydrogenerators with unit transformers and motor-generator sets with dc output) are...
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