| 灭磁回路及转子过电压保护回路的改造设计 |
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| 引用本文： | 张灿斌.灭磁回路及转子过电压保护回路的改造设计[J].广东电力,2010,23(8):80-82. |
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| 作者姓名： | 张灿斌 |
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| 作者单位： | 广东粤阳发电有限公司,广东,阳山,513135 |
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| 摘 要： | 针对广东粤阳发电有限公司3号发电机磁场断路器及过电压保护装置存在的问题,提出在原有励磁回路上更换新型磁场断路器,改造ZnO快速灭磁及电压保护装置,在设计发电机灭磁回路时增加1个跨接器回路,并对灭磁能量、灭磁残压及正向过电压保护动作值等参数的选取进行分析计算。改造后的灭磁及过电压保护装置运行情况良好。
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| 关 键 词： | 直流灭磁 换流 切脉冲 灭磁能量 灭磁残压 过电压动作值 |
Transformation Design for Deexcitation Circuit and Rotor Overvoltage Protective Circuit |
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| ZHANG Can-bin.Transformation Design for Deexcitation Circuit and Rotor Overvoltage Protective Circuit[J].Guangdong Electric Power,2010,23(8):80-82. |
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| Authors: | ZHANG Can-bin |
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| Affiliation: | ZHANG Can-bin(Guangdong Yueyang Power Company Ltd.,Yangshan,Guangdong 513135,China) |
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| Abstract: | To solve the problems in the field circuit breaker and overvoltage protection of Generator 3 in Guangdong Yueyang Power Company Ltd.,some measures were presented,including using new-type field circuit breaker on the original excitation circuit,modifying ZnO fast deexcitation and voltage protection,adding a jumper circuit while designing the deexcitation circuit of generator.The selection of such parameters as deexcitation energy,deexcitation residual voltage and forward overvoltage protection operating value was analyzed and calculated.The deexcitation and overvoltage protection operated well after the transformation. |
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| Keywords: | DC deexcitation conversion pulse canceling deexcitation energy deexcitation residual voltage overvoltage operating value |
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