| 一起电能质量干扰导致的保护误动事件及应对 |
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| 引用本文： | 李维光,王芳.一起电能质量干扰导致的保护误动事件及应对[J].冶金动力,2014(7):1-2. |
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| 作者姓名： | 李维光 王芳 |
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| 作者单位： | 宝山钢铁股份有限公司能源部,上海200941 |
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| 摘 要： | 就一起实际发生的微机型保护信号传送装置误动事故,对其整改方法、效果、误动原因进行了分析。阐述了一类电压源型干扰导致误动的机理,并讨论了防治方法。
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| 关 键 词： | 微机型保护信号传送装置 误动 晶闸管 电压源型干扰 分布电容 |
Analysis of a Malfunction Tripping Caused by Power Quality Disturbance and Countermeasures |
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| LI Weiguang,WANG Fang.Analysis of a Malfunction Tripping Caused by Power Quality Disturbance and Countermeasures[J].Metallurgical Power,2014(7):1-2. |
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| Authors: | LI Weiguang WANG Fang |
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| Affiliation: | (The Energy and Environment Protection Department of Baosteel, Shanghai 201900, China) |
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| Abstract: | The rectification method, implementation effect of the method and causes of an actual malfunction tripping of a microprocessor-based protection signal transducer at a substation are analyzed. The mechanism of malfunction caused by a voltage-source disturbance is described and prevention measures are discussed. |
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| Keywords: | microprocessor-based protection signal transducer malfunction tripping thyristor voltage-source disturbance distribution capacitor |
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