| 不完整串扩建中二分之三断路器接线二次回路变更分析 |
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| 引用本文： | 黄志刚,肖丽雄,田康. 不完整串扩建中二分之三断路器接线二次回路变更分析[J]. 广东电力, 2012, 0(2): 111-115 |
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| 作者姓名： | 黄志刚 肖丽雄 田康 |
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| 作者单位： | 广东电网公司梅州供电局 |
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| 摘 要： | 针对500kV变电站工程建设中线路保护、断路器保护接线较复杂和施工危险点较多的问题，结合某500kV变电站扩建工程，根据二分之三断路器接线方式下变电站二次回路的设计特点，对不完整串扩建时二次回路（包括电流回路、线路保护、断路器保护和单元电气闭锁）的变更情况及危险点进行分析，并提出扩建改造中危险点控制措施。
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| 关 键 词： | 500 kV变电站 不完整串 二次回路 二分之三断路器接线方式 电气闭锁 |
Analysis of the Secondary Circuit Change during Extension of Incomplete String in 3/2 Connection Mode |
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| HUANG Zhigang,XIAO Lixiong,TIAN Kang. Analysis of the Secondary Circuit Change during Extension of Incomplete String in 3/2 Connection Mode[J]. Guangdong Electric Power, 2012, 0(2): 111-115 |
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| Authors: | HUANG Zhigang XIAO Lixiong TIAN Kang |
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| Affiliation: | (Meizhou Power Supply Bureau of Guangdong Power Grid Corporation,Meizhou,Guangdong 514021,China) |
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| Abstract: | Aiming at complex wiring of line protection and breaker protection as well as danger points in construction of 500 kV substation,the paper analyzes change of secondary circuit(including current circuit,line protection,breaker protection and unit electrical locking) change during extension of incomplete string and it presents countermeasures against danger points in extension. |
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| Keywords: | 500 kV substation incomplete string secondary circuit 3/2 connection mode electrical locking |
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