基于Jiles-Atherton磁滞理论的“三相五柱”变压器中低频电磁暂态模型研究

被引：3

作者：

李建标 ^{[1
]}

司马文霞 ^{[2
]}

孙廷玺 ^{[1
]}

邹密 ^{[2
]}

黄培专 ^{[1
]}

杨鸣 ^{[2
]}

何伟 ^{[1
]}

机构：

[1] 广东电网有限责任公司珠海供电局

[2] 输配电装备及系统安全与新技术国家重点实验室(重庆大学)

来源：

广东电力 | 2017年 / 30卷 / 02期

关键词：

对偶原理; 电磁暂态; 磁滞模型; 变压器;

D O I：

暂无

中图分类号：

TM41 [电力变压器];

学科分类号：

080801 ;

摘要：

通过对变压器拓扑结构及磁路分析,提出一种基于对偶变换和Jiles-Atherton(JA)原理的非线性低频电磁暂态模型。采用对偶变换,将磁路网络转换为拓扑正确的等值电网络;运用(JA)理论表征变压器铁心在交流磁化过程的饱和特性和铁心损耗。最后基于提出的模型对变压器空载合闸励磁涌流进行仿真分析,仿真结果表明最大涌流标幺值高达5.9,且中间相相对于其他两相涌流较高。变压器电磁暂态模型对变压器安全运行与保护具有积极的现实作用。

引用

页码：65 / 69

页数：5

共 8 条

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