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.
Research on High Frequency Modular UPS Parallel Control Technology
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.
high frequencyUninterrupted Power Supply(UPS)parallel controlmodularity
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