Research on RTD Degradation Detection Algorithm Based on Cross-Comparison

Cai Wanrui; Zhang Zhongxiang; Wang Chao; Yin Jichao

doi:10.13832/j.jnpe.2022.S2.0047

Volume 43 Issue S2

Dec. 2022

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Cai Wanrui, Zhang Zhongxiang, Wang Chao, Yin Jichao. Research on RTD Degradation Detection Algorithm Based on Cross-Comparison[J]. Nuclear Power Engineering, 2022, 43(S2): 47-52. doi: 10.13832/j.jnpe.2022.S2.0047

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Cai Wanrui, Zhang Zhongxiang, Wang Chao, Yin Jichao. Research on RTD Degradation Detection Algorithm Based on Cross-Comparison[J]. Nuclear Power Engineering, 2022, 43(S2): 47-52. doi: 10.13832/j.jnpe.2022.S2.0047

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Research on RTD Degradation Detection Algorithm Based on Cross-Comparison

doi: 10.13832/j.jnpe.2022.S2.0047

1.
CNNC Key Laboratory on Nuclear Industry Simulation, China Nuclear Power Operation Technology Corporation, Wuhan, 430000, China
2.
Sanmen Nuclear Power Corporation, Taizhou, Zhejiang, 318000, China
3.
Xiapu Nuclear Power Corporation, Xiapu, Fujian, 355100, China

Received Date: 2022-08-25
Rev Recd Date: 2022-10-24
Publish Date: 2022-12-31

Abstract

Abstract

In order to realize the in-situ performance test of resistance temperature detector (RTD) in nuclear power plant, reduce the test error, improve the accuracy of test conclusions and reduce the test cost, a RTD degradation detection algorithm based on cross-comparison is developed, including temperature field instability correction algorithm and temperature inconsistency correction algorithm, and used to downgrade RTD correction algorithm. Based on the overhaul data of a nuclear power unit, the verification results show that the algorithm can reduce the workload and cost of RTD determination during the operation life of the nuclear power plant, improve the accuracy of RTD determination, and provide input for the research of instrument life aging. Therefore, the RTD degradation detection algorithm developed in this study can be used to determine the RTD performance of nuclear power units.
- Resistance temperature detector (RTD),
- Cross-comparison,
- Degradation correction

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References(3)

References

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