| 交流滤波器最后开关逻辑 |
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| 引用本文： | 严进军,李扬.交流滤波器最后开关逻辑[J].电力建设,2011,32(6):54-56. |
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| 作者姓名： | 严进军 李扬 |
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| 作者单位： | 严进军,YAN Jinjun(中国南方电网超高压输电公司广州局,广州市,510405);李扬,LI Yang(中国南方电网超高压输电公司广州局,广州市,510405;华南理工大学电力学院,广州市,510640) |
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| 摘 要： | 高压换流站交流滤波器最后开关跳闸后,将启动本大组交流滤波器联线差动保护跳闸回路.以±800 kV云南-广东特高压直流工程为背景,分析了间隔控制单元6MD664中大组滤波器最后开关的软件逻辑以及相关的硬件回路,指出了其中存在的设计缺陷,提出了修改软件逻辑、硬件回路改进措施.
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| 关 键 词： | 高压换流站 交流滤波器 联线差动保护 最后开关 软件逻辑 硬件回路 |
Analysis and Improvement of Last Circuit Breaker Logic in AC Filter |
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| YAN Jinjun,LI Yang.Analysis and Improvement of Last Circuit Breaker Logic in AC Filter[J].Electric Power Construction,2011,32(6):54-56. |
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| Authors: | YAN Jinjun LI Yang |
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| Affiliation: | YAN Jinjun1,LI Yang1,2(1.Guangzhou Bureau,CSG EHV Power Transmission Company,Guangzhou 510405,China,2.School of Electric Power,South China University of Technology,Guangzhou 510640,China) |
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| Abstract: | In HVDC converter station,the connection differential protection will be activated because of a trip of the last circuit breaker in AC Filter.In this paper,taking the UHVDC transmission project of Yunnan-Guangdong as an example,the software logic and related hardware circuit are analyzed of the last circuit breaker in AC Filter of the 6MD664 interval control unit,where the design defects and improvement are presented. |
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| Keywords: | HVDC converter station AC filter connection differential protection last circuit breaker software logic hardware circuit |
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