Analysis and Improvement of Phase Differential Protection Malfunction of Main Transformer in Nuclear Power Units
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摘要: 通过对核电厂一起主变压器分侧差动保护误动缺陷的描述,阐述了主变压器分侧差动的原理,详细分析了故障原因,并针对故障原因在电流互感器选型、保护定值整定等方面提出了相应对策,为相关技术人员提供了类似缺陷的处理经验。Abstract: This paper elaborates the principle of the phase differential protection, analyzing the failure according to an event of the phase differential protection malfunction of the transformer. It proposes the improvement in the type of current transformer and the setting, to avoid the simple faults and provide experience for the related technologist.
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Key words:
- Main transformer /
- Phase differential protection /
- Current transformer /
- Setting
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