Study on Response of Coil Current for Control Rod Drive Mechanism

Liu Sen; Li Yuezhong; Zhao Maomao; Sun Zhenguo; Zhang Yifei

doi:10.13832/j.jnpe.2014.05.0036

Volume 35 Issue 5

Feb. 2025

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Liu Sen, Li Yuezhong, Zhao Maomao, Sun Zhenguo, Zhang Yifei. Study on Response of Coil Current for Control Rod Drive Mechanism[J]. Nuclear Power Engineering, 2014, 35(5): 36-38,52. doi: 10.13832/j.jnpe.2014.05.0036

Citation:

Liu Sen, Li Yuezhong, Zhao Maomao, Sun Zhenguo, Zhang Yifei. Study on Response of Coil Current for Control Rod Drive Mechanism[J]. Nuclear Power Engineering, 2014, 35(5): 36-38,52. doi: 10.13832/j.jnpe.2014.05.0036

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Study on Response of Coil Current for Control Rod Drive Mechanism

doi: 10.13832/j.jnpe.2014.05.0036

China Nuclear Power Design Company, Ltd, Shenzhen, Guangdong, 518172, China

Received Date: 2014-04-11
Rev Recd Date: 2014-09-15

Available Online: 2025-02-15

Abstract

Abstract

The lift and withdraw of Control Rod Drive Mechanism（CRDM） need three coils working together, which demands a strict process of coil current’s dynamic response. The paper built a rod control system and its equivalent circuit by Simulink, calculated the influence of coil current response time from the aspects of coil resistance inductor, voltage and other factors, and simulated the current in moving coils by MAGNET. Finally, the paper concluded with the influence on CRDM coil current response time by coil voltage, coil equivalent inductance, resistance and rod control circuit.
- CRDM,
- Rod control system,
- Response of coil current