Simulation of the temperature field distribution in medium-voltage vacuum interrupter and experimental verification
The temperature field distribution in the medium-voltage vacuum interrupter decides the thermal stability of it.In this paper,the simulation model of a kind of 12kV/3150A/40kA medium-voltage vacuum interrupter is constructed,and conductive bridge model is used.This paper simulates current contraction and Joule heating between contacts,and solves relevant problems using the function of the thermal-electrical coupling in the finite element software ANSYS.Steady-state temperature rise of vacuum interrupter at rated current and transient temperature rise of vacuum interrupter at short-time withstand current are calculated.Influence of the contact situation on vacuum interrupter temperature rise is analyzed.Steady-state temperature rise experiments for the interrupter are carried out,and experiment results verify the accuracy of simulation results.The results are useful in the designing and optimizing of medium-voltage vacuum interrupter.
W Sun H L Liu Y G Cai Y L Li H Y Zhou Y Zhou
Electric Power Research Institute of State Grid Heilongjiang Electric Power Company Limited,Harbin 1 State Grid Heilongjiang Electric Power Company Limited,Harbin 150090 State Grid Heilongjiang Electric Power Equipment and Materials Company,Harbin 150000
国际会议
三亚
英文
1-10
2017-11-18（万方平台首次上网日期，不代表论文的发表时间）