Analysis and Improvement of Phase Differential Protection Malfunction of Main Transformer in Nuclear Power Units

Chen Jiqing

doi:10.13832/j.jnpe.2017.S2.0093

Volume 38 Issue S2

Feb. 2025

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Chen Jiqing. Analysis and Improvement of Phase Differential Protection Malfunction of Main Transformer in Nuclear Power Units[J]. Nuclear Power Engineering, 2017, 38(S2): 93-96. doi: 10.13832/j.jnpe.2017.S2.0093

Citation:

Chen Jiqing. Analysis and Improvement of Phase Differential Protection Malfunction of Main Transformer in Nuclear Power Units[J]. Nuclear Power Engineering, 2017, 38(S2): 93-96. doi: 10.13832/j.jnpe.2017.S2.0093

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Analysis and Improvement of Phase Differential Protection Malfunction of Main Transformer in Nuclear Power Units

doi: 10.13832/j.jnpe.2017.S2.0093

Chen Jiqing

CNNC Nuclear Power Operation Management Co. Ltd., Haiyan, Zhejiang, 314300, China

Received Date: 2017-08-07
Rev Recd Date: 2017-10-20

Abstract

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.
- Main transformer,
- Phase differential protection,
- Current transformer,
- Setting