Abstract
The digital I&C system of nuclear power plants integrates a number of technologies such as computer, communication, control and display, optimizes the monitoring and operation of nuclear power plants, provides more advanced control and management means, and is the brain and command center of nuclear power plants. Hardware equipment is the basic component of the digital I&C system of nuclear power plants, and its reliability level directly determines whether the system can operate safely, reliably and stably. Reliability analysis of the hardware is carried out, and the failure mode and failure mechanism of the hardware are studied to improve the nuclear power plant. The reliability of digital I&C system is very important. Combining the functional safety concept and safety integrity level requirements of IEC61508, this paper predicts the mean time between failures (MTBF), studies the failure mode and effects analysis (FMEA) of the hardware of the digital I&C system of nuclear power plants, and finds and eliminates the hardware failures of the digital I&C system of nuclear power plants. Weak links can reduce the effects to improve the reliability of the nuclear power plant digital I&C system hardware and provide an effective verification method for hardware reliability verification.
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Chen, S.C., Fu, L., Xu, Z., Zhang, Y., Li, Cl., Zhang, K. (2023). Research and Practice on Hardware Failure Verification of Nuclear Instrument Control Platform. In: Gu, P., Xu, Y., Chen, W., Chen, R., Sun, Y., Liu, Z. (eds) New Energy Power Generation Automation and Intelligent Technology. SICPNPP 2023. Lecture Notes in Electrical Engineering, vol 1055. Springer, Singapore. https://doi.org/10.1007/978-981-99-3455-3_28
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DOI: https://doi.org/10.1007/978-981-99-3455-3_28
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