一起励磁系统通道异常导致的故障分析
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Analysis of the Trip Caused by Abnormal Channel of Excitation System
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    摘要:

    分析了一起励磁调节器手动模式运行导致机组非停的案例,给出了励磁调节器手动模式运行时,有功功率、无功功率的相互关系及变化趋势,通过潮流仿真,再现了故障过程,进一步说明了分析的准确性,同时验证了跳机过程中失磁保护定值。文章的分析结果对电厂运行维护有重要的参考价值。

    Abstract:

    A case of the unit's abnormal outage under the situation of the manual mode operation of excitation regulator was analyzed.Based on the analysis,the relationship between active power and reactive power as well as their trend under the situation of the manual mode operation of excitation regulator were discussed.The accuracy of the analysis has been proved through a simulation which reproduce the fault process.The simulation has also verified the setting value of excitation-loss protection for generation trip.The analysis results in this paper will have important reference value for the operation and maintenance of power plant.

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戴申华.一起励磁系统通道异常导致的故障分析[J].电力工程技术,2017,36(1):106-108

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历史
  • 收稿日期:2016-08-29
  • 最后修改日期:2016-10-13
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  • 在线发布日期: 2017-01-05
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