山东大学学报 (工学版) ›› 2023, Vol. 53 ›› Issue (6): 131-142.doi: 10.6040/j.issn.1672-3961.0.2022.330
• 电气工程 • 上一篇
杨大业1,孙圣亚2,孙媛媛2*,王姗姗1,赵兵1,尹睿1,孙凯祺2,田春义2
YANG Daye1, SUN Shengya2, SUN Yuanyuan2*, WANG Shanshan1, ZHAO Bing1, YIN Rui1, SUN Kaiqi 2, TIAN Chunyi2
摘要： 以白鹤滩-江苏特高压混合级联直流输电工程为例,从理论和仿真两方面分析混合级联直流输电系统受端典型交直流故障对其稳定运行的影响。针对受端直流故障,分析直流线路接地故障及不同工况下,多组并联的模块化多电平换流器(modular multileve converter, MMC)闭锁故障后关键电气量的响应过程及暂态故障特性,并给出故障穿越方法。针对受端交流故障,分析受端电网换相换流器(line commutated converter, LCC)交流母线三相短路故障后LCC换相失败的故障特性,研究并联MMC运行方式对LCC换相能力的影响。为混合级联直流电网的安全稳定运行提供理论基础与技术支撑。
中图分类号:
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