智能电网
智能電網
지능전망
Smart Grid
2015年
2期
145-150
,共6页
特高压%孤立档%应力弧垂%等效悬链线
特高壓%孤立檔%應力弧垂%等效懸鏈線
특고압%고립당%응력호수%등효현련선
UHV%isolated span%stress and sag%equivalent to catenary
随着电压等级的提高，耐张绝缘子串长度和重量显著增加，特别是特高压输电线路，耐张绝缘子串会对孤立档导线的应力、弧垂计算产生严重影响。基于电线力学的基本理论和计算公式，提出一种将耐张绝缘子串等效为悬链线的孤立档计算方法，对特高压输电线路孤立档导线的应力、弧垂设计给出建议。
隨著電壓等級的提高，耐張絕緣子串長度和重量顯著增加，特彆是特高壓輸電線路，耐張絕緣子串會對孤立檔導線的應力、弧垂計算產生嚴重影響。基于電線力學的基本理論和計算公式，提齣一種將耐張絕緣子串等效為懸鏈線的孤立檔計算方法，對特高壓輸電線路孤立檔導線的應力、弧垂設計給齣建議。
수착전압등급적제고，내장절연자천장도화중량현저증가，특별시특고압수전선로，내장절연자천회대고립당도선적응력、호수계산산생엄중영향。기우전선역학적기본이론화계산공식，제출일충장내장절연자천등효위현련선적고립당계산방법，대특고압수전선로고립당도선적응력、호수설계급출건의。
With the increase of voltage level, the length and weight of tension insulator string increase significantly, especially UHV transmission line, tension insulator string may have a serious effect on conductor stress and sag calculation of isolated span. A new method based on basic theory and calculation formula of wire mechanics is proposed, which assumes that the tension insulator string is equivalent to catenary, and gives advice on the conductor stress and sag calculation of UHV transmission line isolated span.
