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Control loop design of sequential switching shunt regulator considering the influence of double section functioning

机译:考虑双段功能影响的顺序开关并联稳压器控制回路设计

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摘要

Sequential switching shunt regulator (S3R) has been widely used in satellites for its simple structure and high reliability. Double section functioning, which has two sections operating simultaneously, is the other operating mode of S3R beside the normal mode. It is inevitable and can lead to larger bus voltage ripple, less controllability and higher switching losses. A detailed analysis based on the double section functioning process description is given on the boundary load current, the main bus voltage ripple and the switching frequency. Considering the influence of double section functioning, a new method of control loop design of S3R is proposed based on the small single mathematical model. A 4.5 kW S3R prototype is built to verify the control loop design, and the load region of double section functioning can be limited as designed.
机译:顺序开关并联稳压器(S3R)具有结构简单,可靠性高的特点,已在卫星中得到广泛应用。 S3R的正常运行模式是S3R的另一种运行模式,即双段运行,其中两个段同时运行。这是不可避免的,会导致更大的总线电压纹波,更小的可控制性和更高的开关损耗。在边界负载电流,主母线电压纹波和开关频率的基础上,给出了基于双节功能过程描述的详细分析。考虑到双段功能的影响,提出了基于小单个数学模型的S3R控制环设计新方法。构建了一个4.5 kW的S3R原型以验证控制回路设计,并且可以按设计限制双重功能的负载区域。

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  • 来源
    《Power Electronics, IET》 |2014年第4期|998-1007|共10页
  • 作者

    Fang Li; Xiaojie You; Yan Li;

  • 作者单位

    Inst. of Electr. Eng., Beijing Jiaotong Univ., Beijing, China|c|;

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  • 原文格式 PDF
  • 正文语种 eng
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