新型模块化多电平直流融冰装置

MEI Hongming

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新型模块化多电平直流融冰装置

更新时间：2025-08-13

- 新型模块化多电平直流融冰装置
- Automation of Electric Power Systems Vol. 37, Issue 16, Pages: 96-102(2013)
- 作者机构：
  
  清华大学电机工程与应用电子技术系,北京市,100084
- 作者简介：
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- Published：2013
- 稿件说明：
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MEI Hongming. [J]. Automation of electric power systems, 2013, 37(16): 96-102.
DOI：

MEI Hongming. [J]. Automation of electric power systems, 2013, 37(16): 96-102. DOI：

摘要

针对当前广泛应用的静止无功补偿型直流融冰装置存在的体积大、结构复杂、谐波污染和功能切换繁琐等问题，提出了一种采用全桥模块化多电平变流器的新型直流融冰方案。该方案将链式静止同步补偿器（STATCOM）的动态无功补偿能力和半桥模块化多电平变流器（MMC）的四象限运行能力结合在一起，同时输出直流电压，可宽范围连续调节，能够很好地满足直流融冰装置的应用需求，并有效避免上述问题。结合全桥模块化多电平变流器的结构特点，提出了兼顾直流融冰和无功补偿功能的控制方法，并通过数字仿真验证了所提技术方案和控制方法的有效性。

Abstract

In view of the problems such as huge bulk，harmonic pollution，and complicated switching with the currently widely used ice-melting equipment based on the state var compensator（SVC），a new design based on the modular multilevel cascade converter is proposed.The double-star bridge-cells modular multilevel cascade converter（DSBC-MMC）discussed in this paper is a combination of H-bridge static synchronous compensator（STATCOM）and half bridge modular multilevel converter（MMC），which can be used as a reactive power compensator and high voltage DC source.Thus it is suitable for DC ice-melting application.A control method which takes into account both the DC ice-melting and reactive power compensation is proposed.The simulation performed has verified the effectiveness of the solution and control method proposed.

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