高频模块化UPS并联控制技术研究

Research on High Frequency Modular UPS Parallel Control Technology

针对现有方法控制不间断电源(Uninterrupted Power Supply,UPS)时电源运行稳定性差的问题,开展高频模块化UPS并联控制技术研究。首先建立高频模块化UPS并联运行等效电路,其次设计UPS滑模变结构控制策略,最后将比例-积分-微分(Proportional Integral Derivative,PID)控制与UPS滑模变结构控制相融合,提出一种控制技术。实例应用证明,所提技术可以显著提升电源运行动态性和稳定性,具有较大的应用价值。

To address the issue of poor power supply stability when using existing methods to control Uninterruptible Power Supply(UPS),research is being conducted on high-frequency modular UPS parallel control technology.Firstly,establish an equivalent circuit for high-frequency modular UPS parallel operation.Secondly,design a UPS sliding mode variable structure control strategy.Finally,integrate Proportional Integral Derivative(PID)control with UPS sliding mode variable structure control to propose a control technology.The practical application proves that the proposed technology can significantly improve the dynamic and stability of power supply operation,and has great application value.