| 摘要 |
PROBLEM TO BE SOLVED: To provide equipment which enables bidirectional DC-AC energy transfer conversion, and which easily enables three-way energy transfer application, including rotation power.SOLUTION: In a rotary electric machine, a cavity of a double structure is provided; a rotary part is provided with AC winding; and a stationary part is provided with field winding and DC armature winding. Since the armature winding is provided on a stationary side, a plurality of high or low voltages can be taken out. |
