| 秦山第二核电厂发变组保护中非全相保护启动失灵动作原因的分析及解决措施 |
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| 引用本文： | 王建成,郑砚国,刘明章.秦山第二核电厂发变组保护中非全相保护启动失灵动作原因的分析及解决措施[J].电力系统保护与控制,2006,34(4):83-85. |
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| 作者姓名： | 王建成 郑砚国 刘明章 |
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| 作者单位： | 核电秦山联营有限公司 浙江海盐314300 |
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| 摘 要： | 发电机出口断路器非全相保护启动失灵动作直接跳500 kV超高压开关,是发电机-变压器-线路串(发电机带出口断路器)的结线方式中元件保护的基本配置与组合。测试、分析了在1号机组调试期间发电机出口断路器非全相保护启动失灵误跳500 kV开关的原因,提出了行之有效的解决措施并在2号机组启动调试过程中得到验证和落实。
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| 关 键 词： | 非全相保护 失灵保护 负序闭锁 |
| 文章编号： | 1003-4897(2006)04-0083-03 |
| 收稿时间： | 2005-07-06 |
| 修稿时间： | 2005-11-11 |
Causes and measures of non-complete phases protection's start failure second Qinshan nuclear power plant generator-transformer group protection |
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| WANG Jian-cheng, ZHENG Yan-guo, LIU Ming-zhang.Causes and measures of non-complete phases protection''''s start failure second Qinshan nuclear power plant generator-transformer group protection[J].Power System Protection and Control,2006,34(4):83-85. |
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| Authors: | WANG Jian-cheng ZHENG Yan-guo LIU Ming-zhang |
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| Affiliation: | Nuclear Power Qinshan Joint Venture Co. , Lid, Haiyan 314300, China |
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| Abstract: | Non-complete phases protection startup failure protection of the generator circuit breaker to open the 500 kV super high voltage circuit breakers is the basic configuration and combination of generator-transformer-line connection manner.In this paper,the reasons of No.1 generator circuit breaker non-complete phase protection startup is failure protection to open the 500 kV super high voltage circuit breakers in the debugging time is analysed,the effective measures are also put forward and carried out in the debugging time of No.2 generator group. |
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| Keywords: | non-complete protection failure protection negative-sequence blocking |
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