Patent ID: 11888469
Assignee: MIDEA GROUP CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 4:
5. The power device according to claim 1, wherein:
the first driving circuit comprises a first phase upper driving circuit, a second phase upper driving circuit and a third phase upper driving circuit;
the second driving circuit comprises a lower driving circuit;
the upper bridge arm switch tube comprises a first upper bridge arm switch tube, a second upper bridge arm switch tube and a third upper bridge arm switch tube;
the lower bridge arm switch tube comprises a first lower bridge arm switch tube, a second lower bridge arm switch tube and a third lower bridge arm switch tube;
the upper resistor group comprises a first upper switch resistor, a second upper switch resistor and a third upper switch resistor; and
the lower resistor group comprises a first lower switch resistor, a second lower switch resistor and a third lower switch resistor,
wherein:
the control input terminal is connected to each of the first phase upper driving circuit, the second phase driving circuit and the third phase upper driving circuit,
the first phase upper driving circuit is connected to and configured to drive the first upper bridge arm switch tube through the first upper switch resistor,
the second phase upper driving circuit is connected to and configured to drive the second upper bridge arm switch tube through the second upper switch resistor, and
the third phase upper driving circuit is connected to and configured to drive the third upper bridge arm switch tube through the third upper switch resistor, and
wherein:
the control input terminal is connected to the lower driving circuit,
the lower driving circuit is connected to and configured to drive the first lower bridge arm switch tube through the first lower switch resistor,
the lower driving circuit is connected to and configured to drive the second lower bridge arm switch tube through the second lower switch resistor, and, the lower driving circuit is connected to and configured to drive the third lower bridge arm switch tube through the third lower switch resistor.