Doubly-fed wind turbine generator converter and black-start method implemented by using same
A technology for wind turbines and converters, applied in wind power generation, climate change adaptation, AC network load balancing, etc., can solve problems such as low utilization efficiency, expensive black-start equipment, complex structure, etc., to reduce capacity and cost. , the effect of improving reliability
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[0023] The present invention will be further described below in conjunction with specific embodiments.
[0024] See figure 1 As shown, the double-fed wind turbine converter provided by this embodiment includes a converter controller 1, a DC bus bar 2, a supporting capacitor 3, a Chopper circuit 4, a machine-side converter 5, and a grid-side converter 6 , Standby power supply system 7; a DC bus 2 is connected between the generator-side converter 5 and the grid-side converter 6, and on the DC bus 2 from the generator-side converter 5 to the grid-side converter 6 The supporting capacitor 3, the Chopper circuit 4, and the backup power supply system 7 are sequentially connected in the direction in which the machine-side converter 5, the backup power supply system 7, and the grid-side converter 6 are respectively connected to the converter controller 1. The current controller 1 is respectively communicatively connected with the main control system 8 of the wind turbine and the grid-co...
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