摘要
通过对近年来风灾倒塔和冰灾倒塔事故分析,提出塔体结构模型在超设计风速和超设计覆冰厚度情况下应满足建筑物“整体机制”的设想;并提出复合绝缘子V形串是目前解决各种闪络首选的观点。探讨了1000 kV特高压双回线路两侧架设多根地线的必要性、可行性以及多根地线对工程造价的影响,进一步优化了双回直线塔的电气模型。
Through analysis of tower-collapsing accident caused by wind-disaster and ice-disaster in recent years,this thesis puts forward that tower body structural model should satisfy an idea of 'integral mechanism'under super-design wind speed and super-design ice thickness;raises a view that composite insulator 'V' string is the first choice for solving kinds of flashovers,probes into necessity and feasibility of erecting more ground wires beside 1000kV double lines,analyzes the cost being influenced by more ground wires,and further optimizes design of 1100kV double circuit tangent tower's electrical model.
出处
《水电能源科学》
2006年第5期68-71,共4页
Water Resources and Power
关键词
特高压
整体机制
双回直线塔
结构模型
复合绝缘子V形串
电气模型
UHV
integral mechanism
double circuit tangent tower
structural model
composite insulator'V' string
electrical model
