内置电抗器式高阻抗变压器低压侧雷电冲击特性分析  

Lightning Impulse Characteristics of LV for High Impedance Transformer with Built-in Reactor

作　　者：李洪春 都兴双 杨家辉 LI Hongchun;DU Xingshuang;YANG Jiahui(SANBIAN SCI-TECH Co.,Ltd.,Taizhou 318000,China;Changzhou Sieyuan Toshiba Transformer Co.,Ltd.,Changzhou 213000,China;Electric Power Research Institute,CSG,Guangzhou 510663,China)

机构地区：[1]三变科技股份有限公司,浙江台州318000 [2]常州思源东芝变压器有限公司,江苏常州213000 [3]南方电网科学研究院有限责任公司,广东广州510663

出　　处：《变压器》2025年第2期27-33,共7页Transformer

摘　　要：本文中作者选取典型的220kV三绕组内置电抗器式高阻抗变压器,对10.5kV角接、36kV星接和36kV角接三种不同设计的低压侧绕组雷电冲击特性进了分析,并提出了有效降低中压雷电冲击传递电压和低压绕组自身雷电冲击震荡电压的方案,为该类变压器的设计提供了一些参考。In this paper,the authors selected a typical 220kV three-winding high impedance transformer with built-in reactor,and analyzed the lightning impulse characteristics of the low-voltage side winding with 10.5kV Angle connection,36kV star connection and 36kV Angle connection,and proposed a scheme to effectively reduce the lightning impulse transmission voltage of the medium-voltage lightning impulse and the lightning impulse oscillation voltage of the low-voltage rap.Some references are provided for the design of this kind of transformer.

关 键 词：内置电抗器 低压侧传递过电压 高阻抗 

分 类 号：TM406[电气工程—电器]