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电网技术  2015 

超导限流器在多端直流系统中的应用研究

DOI: 10.13335/j.1000-3673.pst.2015.04.016, PP. 983-988

Keywords: 直流断路器,PSCAD,超导限流器,多端直流系统

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Abstract:

随着多端直流系统在电力网络中的应用引起了广泛关注,直流断路器的开断能力问题逐渐凸显,成为限制多端直流系统进一步发展的重要因素。为解决这一技术难题,提出了将超导限流器应用于多端直流系统的方案。在PSCAD平台上搭建了电阻型超导限流器的仿真模型,并通过一系列的物理实验对仿真模型的准确性进行校验,进而将此模型应用于一个典型的三端直流输电系统,研究了超导限流器对于网络中直流侧不同类型及不同地点的故障短路电流的限制作用。仿真研究表明,超导限流器具有明显的限流作用,同时不会影响多端直流系统的正常运行。

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