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gan shi dian kang qi de za jian nai ya shi yan
Author(s): 
Pages: 5-8
Year: Issue:  1
Journal: East China Electric Power

Keyword:  并联电抗器干式电抗器耐压试验操作过电压油浸电抗器无功补偿主变压器长距离输电线结构简单匝间耐压;
Abstract: <正> 一、前言在500千伏电网内,为了防止500千伏长距离输电线路在空载或轻载时产生大量充电电流而引起系统电压的升高,通常在500千伏主变压器的第三绕组上连接大容量的并联电抗器进行无功补偿。传统的户外型并联电抗器产品采用具有间隙的铁芯的油浸结构。从70年代起,由于环氧树脂玻璃纤维密封线圈和计算机设计技术的应用,空气芯的干式并联电抗器以其结构简单、维护工作量少和防火等优点而得到
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