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介绍了一种±300 kVar STATCOM装置的拓扑结构及其基于DSP的双CPU冗余控制系统的软硬件设计,提出了一种基于变结构神经网络模糊控制的内环控制和PI外环控制的双闭环控制结构.通过试验确定了逆变器的开关频率,并且对模拟冲击负载下的单负荷-无穷大系统中STATCOM进行试验.试验结果表明,该装置能够维持负载母线电压的稳定性.
A topology of ± 300 kVar STATCOM and its software and hardware design based on DSP are introduced. A double-CPU redundant control system based on variable structure neural network fuzzy control is proposed. Closed-loop control structure.The inverter’s switching frequency is determined through experiments and the STATCOM in a single-load-infinite system under simulated impact load is tested.The experimental results show that the device can maintain the stability of the load bus voltage.