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基于配电网动态无功功率补偿的需要,本文研制了基于FPGA为主核心控制器件的10kV,±5Mvar链式STATCOM装置。文中详细介绍了链式STATCOM的装置构成与主回路参数的计算,并设计开发了基于EP2C50F48418型FPGA的数字控制系统,在此基础上进行了链式STATCOM的动态无功补偿实验。实验结果验证了该装置设计的合理性与可靠性,同时为其它电压等级与容量的链式STATCOM装置的设计提供了巨大的参考价值。
Based on the need of dynamic reactive power compensation in distribution network, a 10kV, ± 5Mvar chain STATCOM device based on FPGA as the main control device was developed in this paper. In this paper, the composition of the chain STATCOM and the calculation of the main loop parameters are introduced in detail, and the digital control system based on FPGA of EP2C50F48418 is designed and developed. On the basis of this, dynamic reactive power compensation experiment of chain STATCOM is carried out. The experimental results verify the rationality and reliability of the device design, and provide great reference value for the design of chain STATCOM devices with other voltage levels and capacities.