Double-fed converter

The utility model discloses a double-fed converter, which comprises a first grid-connected cabinet A, a second grid-connected cabinet A, a first power cabinet B and a second power cabinet B, the first grid-connected cabinet A comprises a first stator loop, the first stator loop comprises a first circuit breaker and a first contactor, the second grid-connected cabinet A comprises a second stator loop, and the second stator loop comprises a second circuit breaker and a second contactor. The first power cabinet B comprises a first network side module, a first network side inductor L1, a first machine side module, a first machine side inductor L2 and a third contactor K3; the second power cabinet B comprises a second network side module, a second network side inductor L3, a first machine side module, a second machine side inductor L4 and a fourth contactor K4; the doubly-fed converter not only can improve the bearing power of the converter, but also can improve the reliability of the converter, reduce the loss of