介电耐受试验
断路器
材料科学
电弧
体积热力学
电压
电介质
介电强度
机械
电气工程
电场
电流(流体)
六氟化硫
复合材料
热力学
电极
化学
物理
工程类
光电子学
物理化学
有机化学
量子力学
作者
Naoki Osawa,Yoshio Yoshioka
出处
期刊:IEEE Transactions on Power Delivery
[Institute of Electrical and Electronics Engineers]
日期:2005-07-01
卷期号:20 (3): 1897-1903
被引量:4
标识
DOI:10.1109/tpwrd.2004.843486
摘要
In order to investigate the influence of puffer volume V/sub P/ and operating force to dielectric performance of GCB at current interruption, we calculated the prospective dielectric withstand voltage V/sub W/ between arcing contacts. The withstand voltage was calculated by the electric field strength appeared on arcing contacts and the allowable electric field strength E/sub W//sup */ of hot gas due to thermal puffer action. We could clarify that large initial puffer volume V/sub P/ can increase withstand voltage V/sub W/ at current breaking point and also that an optimum point exists in operating force F. For example, it was found that in case of the operating force of 1000 kgf, the puffer volume V/sub P/ of 1.2 liter would be best choice in the interrupting condition of i=50 kA and arcing time of 1.35 cycle.
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