Chaotic Analysis of High Voltage SF6 Circuit Breaker during Breaking Process Part II: Gas Flow Chaos under Small Capacitive Current Interruption

摘要：

By calculating the flow field of 2D high voltage SF6 circuit breaker (HV SF6 CB) under the small capacitive current interruption, a 252kV HV SF6 CB is taken as the investigation example. By modeling and calculating, the flow parameters have been simulated under the small capacitive current interruption condition and the variation of the internal flow parameters, such as the velocity, pressure, density, temperature and Mach number have been numerically simulated and analyzed. There exist strong nonlinear variation of the flow parameters during the breaking process, therefore the chaos theory is applied to determine the internal chaotic characteristic. By using the CC method and the Wolf algorithm, the maximum Lyapunov exponent (LEmax) of the above main flow parameters has been obtained, and the internal factors affecting the chaos phenomenon of the SF6 CB have been further analyzed.

作者: Xiaoming Liu Xue Leng Yunxue Zhao Yuejun An Zhengbo Li

作者单位: School of Electrical Engineering, Shenyang University of Technology, Shenyang, 110870, China

会议类型: 国际会议

会议名称: 2011 1st International Conference on Electric Power Equipment-Switching Technology(第一届电力设备开断技术国际会议 ICEPE)

会议地点: 西安

会议语种:英文

页码: 143-146

在线出版日期: 2011-10-23（万方平台首次上网日期，不代表论文的发表时间）