Distributed flexible voltage-regulation control system for power distribution network
A voltage regulation control and distributed technology, which is applied in the direction of AC network voltage adjustment, electrical components, output power conversion devices, etc., can solve the problem that the real-time tracking compensation of voltage cannot be satisfied, the DC energy storage unit increases the equipment size and cost, and the voltage Problems such as limited adjustment range
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[0056] As shown in the figure, the present invention includes a power frequency double-split transformer, a first dual buck / boost AC-AC converter module, a second dual buck / boost AC-AC converter module, an inductor L, and a capacitor C and bypass switch S, the first secondary side of the power frequency double split transformer is connected to the input end of the first double step-down / boost AC-AC converter module, the second secondary side of the power frequency double split transformer is connected to the second double step-down The input terminals of the voltage / boost AC-AC converter module are connected, and the output terminal of the first dual buck / boost AC-AC converter module is connected to one terminal of the capacitor C and one terminal of the bypass switch S through the inductance L, respectively. The other end of the output end of a pair of step-down / boost AC-AC converter module is connected to one end of the output end of the second pair of step-down / boost AC-AC c...
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