基于错层终端塔的220kV双层构架出线方式研究  

Research on Outgoing Line Schemes of 220 kV Double Layer Framework Based on Staggered Terminal Tower

作　　者：包华 杨超 张大伟 鲍松 张君宇 BAO Hua;YANG Chao;ZHANG Da-wei;BAO Song;ZHANG Jun-yu(Anhui Electric Power Design Institute Co.,Ltd.of CEEC,Hefei 230601,China)

机构地区：[1]中国能源建设集团安徽省电力设计院有限公司,安徽合肥230601

出　　处：《电力勘测设计》2020年第9期60-65,共6页Electric Power Survey & Design

摘　　要：与220 kV单层构架出线不同,双层构架采用常规终端塔出线,将导致大部分相序排列组合的导线相间距离不满足规范要求,成为变电站布置双层构架的制约因素。通过采用三维坐标转换方法,编制进线档相间距离简易计算程序。针对220kV双层构架采用常规终端塔出线相序适用率低的问题,提出适用于错层终端塔的解决方案,提高了双层构架出线相序排列的自由度。Different from the outgoing line schemes of single-layer framework,the double-layer framework with the conventional terminal tower outlet will result in the phase-to-phase distance of most phase sequence combinations not meeting the specification requirements.It becomes a constraint factor for the promotion of double layer framework.According to the 3D space transformation technology,the paper has compiled a simple calculation program for the phase distance of lead-in span.Aiming at the problem that the double-layer framework with the conventional terminal tower outlet adopts the low rate of the phase sequence,the solution of the staggered-layer terminal tower is proposed,and the degree of freedom of the phase sequence arrangement is improved.

关 键 词：双层构架 出线方式 相间距离 相序排列方式 错层终端塔 

分 类 号：TM752[电气工程—电力系统及自动化]