| 宝鸡换流站直流功率反向保护动作原因分析 |
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| 引用本文： | 胡宇洋,余珊珊. 宝鸡换流站直流功率反向保护动作原因分析[J]. 电力系统自动化, 2011, 35(11): 103-107 |
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| 作者姓名： | 胡宇洋 余珊珊 |
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| 作者单位： | 国家电网公司运行分公司宜昌管理处,湖北省宜昌市,443005 |
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| 摘 要： | 在简要介绍宝鸡换流站直流电压测量系统结构和相关保护原理的基础上,对某次直流系统闭锁的原因进行了详细的分析.分析表明:此次直流系统闭锁过程中相关保护动作行为正确,直流分压器二次测量装置的测量异常是引起直流系统闭锁的直接原因;同时,直流保护采取启动判断加动作出口的配置方式虽然可以防止因直流保护误动作而引起的系统闭锁,但保护...
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| 关 键 词： | 换流站 直流分压器 功率反向保护 故障分析 |
| 收稿时间： | 2010-11-11 |
| 修稿时间： | 2011-05-20 |
Fault Analysis of DC Power Reverse Protections of Baoji HVDC Converter Station |
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| HU Yuyang,YU Shanshan. Fault Analysis of DC Power Reverse Protections of Baoji HVDC Converter Station[J]. Automation of Electric Power Systems, 2011, 35(11): 103-107 |
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| Authors: | HU Yuyang YU Shanshan |
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| Affiliation: | HU Yuyang,YU Shanshan(Yichang Administrative Bureau of State Grid Operation Company,Yichang 443005,China) |
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| Abstract: | On the basis of brief introduction of DC voltage measurement system structure and protection principle concerned of Baoji high voltage director current(HVDC) converter station,the reason of DC system protection mal-action is deeply analyzed in detail.The analysis shows that the protection action concerned is correct,but the abnormal operation of the measure device of direct current voltage divider directly causes pole blocked.In order to prevent the protection malfunction,the measuring device should be redu... |
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| Keywords: | converter station direct current voltage divider reverse power protection fault analysis |
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