Multi-phase and high-power generation-conversion integrated system and control method thereof
A control method and high-power technology, which can be used in the conversion of AC power input to AC power output, climate change adaptation, and output power conversion devices, etc. Complex problems, etc., to achieve the effect of shortened installation and commissioning cycle, considerable application prospects, and high degree of structural modularity
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[0043] The present invention will be further described below in conjunction with the accompanying drawings.
[0044] figure 1 It is a topology structure and sub-module diagram of a multi-phase high-power power generation-conversion integrated system of the present invention. The modular multi-level inverter adopts a three-phase structure of A, B, and C, and each phase consists of an upper bridge arm and a lower bridge arm. The bridge arm is composed of series connection, the upper bridge arm is composed of n sub-modules and 1 filter inductor in series, the lower bridge arm is composed of 1 filter inductor and n sub-modules in series, and the connection point of the two filter inductors constitutes the corresponding phase bridge arm The output end of the output end is connected to the public power grid; the upper ends of the three-phase upper bridge arms of A, B, and C are connected to each other, the lower ends of the three-phase lower bridge arms of A, B, and C are connected ...
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