The active fast control power supply (FCPS) of experimental advanced superconducting tokamak(EAST) is consisted of 24 independent inverters.In order to achieve a better dynamic response, reliability and maintainability of power system,a series of measures are taken by our research group,which merging four inverters following the every DC power source into one.A novel control method so-called Bang-Bang control is employed in high power supply for the first time.The operating principle and logic of control are analyzed.The feasibility of the control method is actually proved by simulation and experimental results, which tremendously promotes the performance of FCPS.%目前运行的全超导托卡马克核聚变实验装置(EAST)快控电源(FCPS)采用24组逆变单元并联运行.为了达到更好的动态响应性能,提高可靠性和可维护性,针对FCPS进行了一系列改进,将每组整流带载的4组并联逆变器变为1组.首次对大功率逆变器提出了一种基于Bang-Bang控制的快控逆变电源实现,分析了工作原理和控制逻辑,并通过实验证明了该方法的可行性,大大提升了电源系统的各项性能.
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