静止同步补偿器方案设计与开关器件选型研究

  目的]  静止同步补偿器（STATCOM）是迄今为止性能最优越的静止无功补偿设备，文章从工程应用的角度出发，开展STATCOM方案设计与关键设备选型相关研究。  方法]  从容量、效率、可靠性、体积、成本等多个维度总结归纳了目前大容量STATCOM五种实现方案优缺点。  结果]  以35 kV ± 200 MVA链式STATCOM为例，提出了STATCOM开关器件选型原则。  结论]  所提原则可作为设计、研制大容量STATCOM的参考。

Research on Static Synchronous Compensator Design and the Switching Device Selection

  Introduction]  STATCOM is the state-of-the-art equipment for static reactive compensation. This paper focuses on STATCOM design study and key equipment selection principle for engineering applications.  Method]  Five implementation approaches currently utilized to achieve large capacity STATCOM were analyzed and their advantages/disadvantages were concluded,from various perspectives including capacity, efficiency, reliability, volume and cost.  Result]  Principles for selecting STATCOM switchgear were proposed and the application of the principles in 35 kV ± 200 MVA cascade STATCOM switchgear selection was also presented in this paper as an example.  Conclusion]  The principles can also be used as reference in large capacity STATCOM design and manufacture.