Analysis on Windage Design Parameters of Suspension Insulator String at Home and Abroad

MIN Xuan; SHAO Guiwei; WEN Zhike; CAI Huanqing; HU Ji; ZENG Yunfei

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Electric Power Construction ›› 2013, Vol. 34 ›› Issue (4) : 19-26.

Analysis on Windage Design Parameters of Suspension Insulator String at Home and Abroad

MIN Xuan，SHAO Guiwei，WEN Zhike，CAI Huanqing，HU Ji，ZENG Yunfei

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Abstract

Through comparing the differences of parameter selecting in the basic wind speed, the uneven coefficient of wind pressure and the height variation coefficient of wind pressure at home and abroad, some conclusions are drawn in the design of suspension insulator strings. The results show that: in the aspect of basic wind speed choosing, there are great differences either in the wind speed conversion of observation density and time or in the return period between China and overseas countries; the selecting and the conversion method of wind pressure’s uneven coefficient have significant influence on conductor’s wind load; the different types of ground roughness have great influence on the values of height variation coefficient of wind presssure, which has not been defined explicitly in the transition area in domestic transmission line standard. So wind parameters should be observed on site for different terrains and heights, and these parameters can be optimized and improved through the accumulation of long-term observation data.

Key words

suspension insulator string / windage / basic wind speed / uneven coefficient of wind pressure / height variation coefficient of wind presssure / wind load

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MIN Xuan，SHAO Guiwei，WEN Zhike，CAI Huanqing，HU Ji，ZENG Yunfei. Analysis on Windage Design Parameters of Suspension Insulator String at Home and Abroad[J]. Electric Power Construction. 2013, 34(4): 19-26

References

［1］刘焕明. 500 kV侯临线286号风偏故障分析［J］. 山西电力，2004（6）：14-15.

［2］龚坚刚. 浙江电网跳线风偏跳闸的分析与措施［J］.华东电力，2007,35(5)：112-114.

［3］牛彬，陈江华，姚俊峰. 输电线路的风偏角问题分析［J］.山西电力，2009（3）：60-62.

［4］吴正树.　500 kV输电线路风偏闪络分析［J］.广西电力，2009（1）：29-43.

［5］韩锐.　220 kV输电线路大转角耐张塔跳线风偏跳闸故障的反事故措施［J］.安徽电力，2007（12）：14-15.

［6］黄俊杰，汪涛，朱昌成.220 kV输电线路风偏跳闸的分析研究［J］.湖北电力，2012（4）：65-67.

［7］GB 50545—2010 110 kV～750 kV架空输电线路设计规范［S］.

［8］邵瑰玮，耿翠英，胡毅. 国内外输电线路风偏设计参数比较与分析［J］.高电压技术，2009，35（12）：3106-3110.

［9］DL/T 5158—2002 电力工程气象勘测技术规程［S］.

［10］GB 50009—2001 建筑结构荷载规范［S］.

［11］东北电力设计院. 电力工程高压送电线路设计手册［M］.北京：水利电力出版社，1992.

［12］IEC 60826—2003 Design Criteria of Overhead Transmission Lines［S］.

［13］ASCE 74—2009 Guidelines for E1ectrical Transmission Line Structural Loading［S］.

［14］GB　50665—2011 1 000 kV架空输电线路设计规范［S］.

［15］徐小东，王钢. 关于风压不均匀系数的研究［J］.电力建设，2007,28（7）：1-4.

［16］DL/T 5092—1999 110 kV～500 kV架空送电线路设计技术规程［S］.

［17］邵瑰玮，闵绚，董彦武，等. 输电导线悬挂点处等效风荷载仿真分析［J］. 高电压技术，2012,38（2）：476-482.

［18］王永华.中美规范风荷载的计算比较［J］.电力勘测设计，2012（1）：67-70.

［19］侯小玲. 建筑结构基本风速和基本风压问题浅析［J］.山西建筑，2010，36（3）：92-93.

［20］Bietry J, Simiu E. Mean Wind Profile and Changes of Terrain Roughness［J］. J. Struct. Div.，ASCE（ST），1978（104）：1585-1593.

［21］ANSI/ASCE7—2002 American Society of Civil Engineerings（ASCE）. Minimum Design Loads for Building and other Structure［S］.

［22］英国《规范》. 建筑设计荷载（1984）［R］//《建筑结构荷载规范》管理组.外国建筑结构荷载规范汇编. 北京：中国建筑科学研究院，1991：113-186.

［23］AS/NZS1170.2—2002 Australian Standard SAA Loading Code，Part 2：Wind Loads［S］.