Study on Step Motion Characteristics of Control Rod Drive Mechanism

LIU Pengliang; ZHOU Jianming; LU: Yonghong

Volume 35 Issue 2

Feb. 2025

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LIU Pengliang, ZHOU Jianming, LU: Yonghong. Study on Step Motion Characteristics of Control Rod Drive Mechanism[J]. Nuclear Power Engineering, 2014, 35(2): 127-130,172.

Citation:

LIU Pengliang, ZHOU Jianming, LU: Yonghong. Study on Step Motion Characteristics of Control Rod Drive Mechanism[J]. Nuclear Power Engineering, 2014, 35(2): 127-130,172.

LIU Pengliang, ZHOU Jianming, LU: Yonghong. Study on Step Motion Characteristics of Control Rod Drive Mechanism[J]. Nuclear Power Engineering, 2014, 35(2): 127-130,172.

Citation:

LIU Pengliang, ZHOU Jianming, LU: Yonghong. Study on Step Motion Characteristics of Control Rod Drive Mechanism[J]. Nuclear Power Engineering, 2014, 35(2): 127-130,172.

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Study on Step Motion Characteristics of Control Rod Drive Mechanism

China Nuclear Power Technology Research Institute, Shenzhen, Guangdong, 518124, China

Received Date: 2013-01-21
Rev Recd Date: 2013-05-27

Available Online: 2025-02-15

Abstract

Abstract

The step motion of control rod drive mechanism is accomplished through the lift armature of claw assembly hoisting and falling alternation movement in the vertical direction. In the base of the control rod drive mechanism step motion decomposition, the dynamic calculation model of coupled magnetic-electric-mechanical movement is established by finite element calculation method. The relations between magnetic force, electric current, displacement and time are studied in the process of control rod drive mechanism stepping motion. The movement characteristic parameters as hoisting time, falling time, electric current and magnetic force are obtained. The results can be applied to the time sequence design of control rod drive mechanism.
- Control rod drive mechanism,
- Step motion,
- Characteristic parameters,
- Time sequence design

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