Research on an Intelligent Fault Diagnosis Method for Small Modular Reactors
Abstract
:1. Introduction
2. Small Modular Reactor Simulator Introduction
2.1. System-Integrated Modular Advanced ReacTor
2.2. PCTRAN Software
2.3. SMR and PWR LOCA Accident Simulation Analysis
3. CNN-BILSTM Neural Network Model
3.1. CNN Neural Network
3.2. BiLSTM Neural Network
4. Nuclear Power Plant Accident Diagnosis
4.1. Data Preprocessing
4.2. Model Training and Prediction
4.3. Discussion
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
Abbreviations
Abbreviations | Definitions |
SMR | Small modular reactor |
SMART | System-integrated Modular Advanced ReacTor |
LOCA | Loss-of-coolant accident |
CVCS | Chemical and Volume Control System |
CDS | Shutdown Cooling System |
SG | Steam generator |
SI | Safety Injection |
CS | Containment Spray |
RPS | Reactor Protection System |
ESFAS | Emergency Safety Features Actuation System |
IRWST | In-Containment Refueling Water Storage Tank |
KINS | Korea Institute of Nuclear Safety |
KEPCO | Korea Electric Power Corporation |
KHNP | Korea Hydro & Nuclear Power |
PWR | Pressurized water reactor |
CNN | Convolutional Neural Network |
RNN | Recurrent Neural Network |
LSTM | Long Short-Term Memory |
BILSTM | Bidirectional Long Short-Term Memory |
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Neural Network Model | Prediction Accuracy | Neural Network Model | Prediction Accuracy |
---|---|---|---|
CNN Model | 83.67% | CNN-LSTM Model | 92.67% |
LSTM Model | 91.83% | CNN-BiLSTM Model | 97.33% |
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Share and Cite
Ren, C.; Lei, J.; Liu, J.; Hong, J.; Hu, H.; Fang, X.; Yi, C.; Peng, Z.; Yang, X.; Yu, T. Research on an Intelligent Fault Diagnosis Method for Small Modular Reactors. Energies 2024, 17, 4049. https://doi.org/10.3390/en17164049
Ren C, Lei J, Liu J, Hong J, Hu H, Fang X, Yi C, Peng Z, Yang X, Yu T. Research on an Intelligent Fault Diagnosis Method for Small Modular Reactors. Energies. 2024; 17(16):4049. https://doi.org/10.3390/en17164049
Chicago/Turabian StyleRen, Changan, Jichong Lei, Jie Liu, Jun Hong, Hong Hu, Xiaoyong Fang, Cannan Yi, Zhiqiang Peng, Xiaohua Yang, and Tao Yu. 2024. "Research on an Intelligent Fault Diagnosis Method for Small Modular Reactors" Energies 17, no. 16: 4049. https://doi.org/10.3390/en17164049