| 摘要 |
PROBLEM TO BE SOLVED: To provide a power conversion device that can quickly warm up inverters and a rotating electrical machine.SOLUTION: A first inverter section 20 of a power conversion device 1 has SW elements 21-26 and is connected between ends 111, 121, 131 of coils 11-13 and a first power supply source 41. A second inverter section 30 has SW elements 31-36 and is connected between opposite ends 112, 122, 132 of the coils 11-13 and a second power supply source 42. A control section 60 switches at least either of the first inverter section 20 and the second inverter section 30 on the basis of a torque command value and a heating command value to apply a current that is a driving current It plus a reactive current Ir1 to the coils 11-13. This can quickly warm up the first inverter section 20, the second inverter section 30 and a motor 10. |
