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根据中、低压配电系统或工业负荷补偿的要求,提出了基于DSP的静止同步补偿器(STATCOM)软硬件的设计方法,并在此基础上研制了一台±50 kvar STATCOM装置。重点介绍了装置的主电路设计、基于TMS320F2812 DSP的闭环反馈间接电流控制器的硬件结构和控制系统的软件设计以及STATCOM的保护电路设计。实验结果表明,基于该设计方法的±50 kvarSTATCOM装置有着较好的无功补偿效果,具有较好的工程应用前景。
According to the requirement of medium and low voltage power distribution system or industrial load compensation, the design method of STATCOM hardware and software based on DSP is proposed. On this basis, a ± 50 kvar STATCOM device is developed. The main circuit design of the device is mainly introduced. The hardware structure of the closed loop feedback indirect current controller based on TMS320F2812 DSP and the software design of the control system and the protection circuit design of STATCOM are introduced. The experimental results show that the ± 50 kvarSTATCOM device based on this design method has good reactive power compensation effect and good engineering application prospect.