Abstract：Conventional parallel inverter system always includes control interconnection. It is not easy to be parallel connected and causes more serious interference also. A digital parallel inverter system without interconnection is designed in this paper. Considering the resistor part influence of output impedance on its power characteristic, the system is controlled by double closed loop of instantaneous output voltage, which based on inductive current feedback. This control strategy can improve the output impedance performance of the inverter; therefore the droop theory can be applied correctly in this paper. At last, the parallel operation without interconnection of two 1kW inverter samples controlled by DSP (digital signal processor) is implemented successfully.
鞠洪新, 邹昭平, 梁海. 基于瞬时电感电流控制的无线并联逆变系统[J]. 电工技术学报, 2010, 25(3): 97-101.
Ju Hongxin, Zou Zhaoping, Liang Hai. No Interconnection Parallel Inverter System Based on Instantaneous Inductive Current Control. Transactions of China Electrotechnical Society, 2010, 25(3): 97-101.
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