Abstract:This paper proposes a control strategy which makes three-phase double mode inverter(TDMI)transfer seamlessly in complicated grid fault conditions and has a good performance in grid-tied condition when grid is normal. This paper studies the problem of TDMI which uses a LC filter, proposes a new transfer method based on controller in abc coordinates which reduce transient problem caused by controller based on dq coordinate and make transfer seamlessly. It chooses a close loop control of inductire current compensated by capacitor current in grid-tied mode and double feedback loop of capacitor voltage and current in stand-alone mode for inverter with a good property in these two modes. The simulation results show the validity of propose control strategy.
蒋冀, 段善旭, 陈仲伟. 三相并网/独立双模式逆变器控制策略研究[J]. 电工技术学报, 2012, 27(2): 52-58.
Jiang Ji, Duan Shanxu, Chen Zhongwei. Research on Control Strategy for Three-Phase Double Mode Inverter. Transactions of China Electrotechnical Society, 2012, 27(2): 52-58.
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