| 摘要 |
<p>A drive device (200) comprises: a plurality of main motors (123A, 123B, 123C, 123D) each having a rated capacity capable of coping with a rated load by the main motors, the number of which is reduced by at least one and performing a main operation in cooperation with each other; a plurality of main inverters (221A, 221B, 222A, 222B, 223A, 223B, 224A, 224B) having capacities corresponding to the main motors; converters (211, 212, 213, 214) having capacities corresponding to the main inverters; an auxiliary motor (133) for performing an auxiliary operation; and a control unit (230). At least one converter or main inverter is connected to the auxiliary motor (133) side.</p> |
