变压器低频短路加热干燥法铁心饱和问题研究  

The Study on Iron Core Saturation of Large Transformer in Low Frequency Heating

作　　者：张晓东 姜秉梁 曲通 马云飞 ZHANG Xiaodong;JIANG Bingliang;QU Tong;MA Yunfei(Skills Training Center of the State Grid Jibei Elecwiv Power Company Limited,Baoding 071003,China;Shenyang Zhongkeruiga Technolocy Co.Lth.,Shenyang 110000,China)

机构地区：[1]国网冀北电力有限公司技能培训中心,河北保定071003 [2]沈阳中科瑞达科技有限公司,辽宁沈阳110000

出　　处：《工业加热》2021年第1期43-45,48,共4页Industrial Heating

摘　　要：深入分析变压器低频加热工况下,电压幅值和电压频率对变压器铁芯饱和产生的影响,提出了变压器低频加热过程中防止变压器铁芯饱和的约束条件及饱和临界频率简化公式,试验结果验证文中所述方法正确、可行,为工程人员完善变压器低频加热控制技术提供了重要的工程经验和理论依据。The conditions of frequency selection for transformer in low frequency heating are deeply analyzed,and the influence of voltage and frequency on transformer core saturation is analyzed.The constraints conditions witch how to aviod iron core saturation of transformer and minimum heating frequency formulas in low frequency heating process are proposed,the simulation results show the correctness of theoretical analysis.It will provide important theoretical basis for engineering practice.

关 键 词：变压器 低频加热 铁芯饱和 仿真研究 

分 类 号：TK173[动力工程及工程热物理—热能工程]