风力发电低频输电用变压器的关键技术  

Key Technologies of Low-frequency Transmission Transformers for Wind Power Generation

作　　者：陈飞 宋磊 孙业荣 魏彩霞 周治伊 朱培珍 CHEN Fei;SONG Lei;SUN Ye-rong;WEI Cai-xia;ZHOU Zhi-yi;ZHU Pei-zhen(Shandong Electrical Engineering&Equipment Group Intelligent Electric Co.,Ltd.,Ji'nan 250022,China;State Grid Gansu Electric Power Company Research Institute,Lanzhou 730070,China)

机构地区：[1]山东电工电气集团智能电气有限公司,山东济南250022 [2]国网甘肃省电力公司科学研究院,甘肃兰州730070

出　　处：《变压器》2022年第12期23-27,共5页Transformer

基　　金：国家电网公司总部项目“大规模提升输电容量的分频输电技术研究与关键低频设备研发”(5500-202099509A-0-0-00)。

摘　　要：根据频率对变压器的影响,提出了频率50/3Hz下变压器的特点和其性能参数的计算方法。通过测试频率50/3Hz下硅钢材料的特征曲线,提出了铁心设计的思路。根据测试频率50/3Hz下绝缘材料的介电常数,提出了50/3Hz下的绝缘结构。According to the influence of frequency on transformer, the characteristics of transformer at 50/3Hz and the calculation method of its performance parameters are proposed. By testing the characteristic curve of silicon steel material at a frequency of50/3Hz, the idea of iron core design is proposed. According to the dielectric constant of the insulation material at the test frequency 50/3Hz, the insulation structure at 50/3Hz is proposed.

关 键 词：低频变压器 硅钢片特征曲线 铁心设计 绝缘材料介电常数 绕组绝缘设计 

分 类 号：TM431[电气工程—电器]