通过KL系数状态方程计算架空线弧垂应力的方法及系统

The calculation of overhead line sag stress using the KL coefficient state equation solves the problems of complex calculation and poor intuitiveness in existing technologies, achieving high-precision sag stress calculation, and is applicable to power facility design and construction.

CN115455339BActive Publication Date: 2026-07-17POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD
Filing Date
2022-08-31
Publication Date
2026-07-17

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Abstract

本发明涉及一种通过校形系数状态方程计算架空线弧垂应力的方法，包括以下步骤：获取架空线各个工况下的综合比载、气温、代表档距和允许应力；并获取待求工况的综合比载和气温；判断哪一工况为控制工况，定义待求工况的KL系数为u，列出KL系数状态方程f(u)及其一阶导数函数g(u)：根据KL系数状态方程f(u)及其一阶导数函数g(u)，计算待求工况的KL系数u；根据计算出的待求工况的KL系数u计算待求工况的弧垂f及应力σ。
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