光伏逆变用非晶合金铁心升压变压器工艺与分析  

Technology and Analysis of Amorphous Alloy Core Transformers Used by Photovoltaic Inverter

作　　者：张志立 张兴旺 ZHANG Zhi-li;ZHANG Xing-wang(NARI Group Co.,Ltd,Nanjing 211 000,China;Shanghai Zhixin Electric Co.,Ltd,Shanghai 200336,China)

机构地区：[1]南瑞集团有限公司,江苏南京211000 [2]上海置信电气股份有限公司,上海200336

出　　处：《电工电气》2018年第9期60-62,69,共4页Electrotechnics Electric

基　　金：国家电网公司科技项目(SGRI-WD-71-16-006)

摘　　要：针对长期低负荷运行状态的光伏发电系统,介绍了空载损耗性就地升压非晶合金铁心变压器。结合光伏发电系统的运行特征,对绕组分裂形式、联接组标号进行分析,提出铁心设计、温升和绝缘水平修正、绕组绕制工艺、引线工艺等技术要点,对该变压器的工程设计具有较好的指导作用。With due regard to the long time low-load operation situation of photovoltaic power generation system,this paper introduced the open circuit losses in-situ boosted amorphous alloy core transformers.Combining with the characteristics of photovoltaic power generation system,this paper analyzed the winding splitting mode and transformer connection symbol,and proposed the technical essentials such as core design,temperature rise and insulation level correction,winding process,lead process etc,which become the good guidance on the engineering design of such transformers.

关 键 词：光伏逆变 非晶合金 变压器 轴向双分裂 

分 类 号：TM615[电气工程—电力系统及自动化] TM403