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| Experimental Research on Motor Temperature Rise of Reactor Control Rod Drive Mechanism |
| Received:April 18, 2021 Revised:April 26, 2021 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/issn.1672-9242.2021.05.018 |
| KeyWord:control rod drive mechanism motor temperature rise equilibrium temperature wind speed |
| Author | Institution |
| ZHANG Zhi-feng |
Key Laboratory of Nuclear Reactor System Design Technology of China Nuclear Power Research and Design Institute, Chengdu , China |
| PENG Hang |
Key Laboratory of Nuclear Reactor System Design Technology of China Nuclear Power Research and Design Institute, Chengdu , China |
| XIE Xi-ming |
R & D Center of Reliability Engineering Technology, Design Institute of Nuclear Power Institute of China, Chengdu , China |
| LI Jian |
Key Laboratory of Nuclear Reactor System Design Technology of China Nuclear Power Research and Design Institute, Chengdu , China |
| HUO Meng |
Key Laboratory of Nuclear Reactor System Design Technology of China Nuclear Power Research and Design Institute, Chengdu , China |
| HE Bin |
Southwest Technology and Engineering Research Institute, Chongqing , China |
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| Abstract: |
| The purpose of this paper is to study the temperature rise of the motor under different working conditions, complete the evaluation of the motor's heat dissipation capacity, and provide a reference for the optimization of motor heat dissipation and engineering ventilation design. This paper simulates the actual operating environment of the driving mechanism, conducts a natural heat dissipation temperature rise test under the cut-off condition, obtains the maximum temperature rise of the motor working mode. In this mode, the ventilation test is carried out at two wind speeds to obtain the equilibrium temperature of the stator winding. When the stator winding reaches thermal equilibrium, cut off the ventilation and perform a cut-off test to obtain the maximum cut-off time. The results show that when the temperature rise of the motor is at its maximum, the working mode is three-phase energization. Increasing the wind speed can reduce the temperature of the outer wall of the stator and increase the temperature difference between the stator winding and the outer wall of the stator. Under the three-phase energization condition, the maximum wind cut-off time at wind speeds of 5 m/s and 8 m/s is 15 min and 22 min, respectively. By carrying out the motor temperature rise test research, the temperature rise of the motor under typical working conditions is obtained, which provides a reference for the optimization of motor heat dissipation and engineering ventilation design. |
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