Hybrid cascading multi-level static synchronous compensation device and wind turbine generator set power supply system
A static synchronous compensation and hybrid cascading technology, applied in flexible AC transmission systems, reactive power compensation, reactive power adjustment/elimination/compensation, etc. Device loss and other problems, to solve the switching frequency, meet the application requirements, and improve the switching frequency.
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[0018] An embodiment of the present invention provides a hybrid cascaded multi-level static synchronous compensation device, which includes a first H-bridge power unit and a second H-bridge power unit.
[0019] The first H-bridge power unit includes two bridge arms connected in parallel, where the two ends of the two bridge arms are connected in parallel with a first capacitor, and each bridge arm includes two series-connected gate-turn-off thyristors Each gate can be turned off by connecting a first diode in parallel between the cathode and the anode of the thyristor, leading out the midpoint of the two bridge arms as an output end.
[0020] The second H-bridge power unit, the second H-bridge power unit includes two bridge arms connected in parallel, wherein the two ends of the two bridge arms connected in parallel are connected in parallel with a second capacitor, and each bridge arm includes two bridge arms connected in series Insulated gate bipolar transistors, a second di...
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Abstract
Description
Claims
Application Information
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