Virtual synchronous generator-based microgrid inverter balance control method
A virtual synchronization and balanced control technology, applied in the direction of single-network parallel feeding arrangement, reducing/preventing power oscillation, etc., can solve the problems of complex control method, unfavorable parameter design, influence of droop characteristics, etc.
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[0067] figure 1 It is the topological structure of the microgrid inverter based on the virtual synchronous generator in the embodiment of the present invention. It includes a DC source Udc, a DC side filter capacitor Cdc, a three-phase half-bridge inverter circuit, and an LC filter. The DC side filter capacitor Cdc is connected in parallel to both ends of the DC source Udc, and the two power output terminals of the DC source Udc are respectively connected to The two input terminals of the three-phase full-bridge inverter circuit are connected, the three-phase output terminals of the three-phase full-bridge inverter circuit are connected with the three-phase input terminals of the LC filter in one-to-one correspondence, and the three-phase output terminals of the LC filter are connected with the three-phase input terminals of the LC filter respectively. The delta side of the Dyn11 transformer is connected in phase, the star side of the transformer is connected to the three-phas...
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