干式电抗器波过程计算软件的开发应用  

Development and Application of Dry-type Reactor Wave Process Calculation Software

作　　者：周广东 骆福权 许佐明 薛帅 张树岳 李瑶琴 ZHOU Guangdong;LUO Fuquan;XU Zuoming;XUE Shuai;ZHANG Shuyue;LI Yaoqin(Beijing Electric Power and Energy Innovation Technology C.,Ltd.,Beijing 102600,China;Tianjin Jingwei Zhengneng Electrical Energy Equipment Co.,Ltd.,Tianjin 300350,China;State Key Laboratory of Power Grid Environmental Protection,China Electric Power Research Institute,Wuhan 430074,China;State Grid Shandong Electric Extrahigh Voltage Company,Ji'nan 250118,China)

机构地区：[1]北京电科能创技术有限公司,北京102600 [2]天津经纬正能电气设备有限公司,天津300350 [3]中国电力科学研究院有限公司电网环境保护全国重点实验室,湖北武汉430074 [4]国网山东省电力公司超高压公司,山东济南250118

出　　处：《变压器》2025年第4期26-32,共7页Transformer

基　　金：国家电网有限公司科技项目资助(5500-202356355A-2-1-ZX)。

摘　　要：本文作者以干式电抗器为研究对象,将包封作为基本计算单元建立了绕组等效电路模型,通过有限元法计算了电容、电感参数,完成了参数提取。在MATLAB中编写大型矩阵,基于状态变量法构建了微分方程,通过数值算法完成求解,输出了电压波形曲线,最终制作界面形成波过程计算软件。使用本软件对一台66kV干式电抗器进行波过程计算,将仿真结果与测量结果对比分析。最终结论表明,本软件误差在10%以内,能够应用于工业设计中。This article takes dry-type reactors as the research object,establishes a winding equivalent circuit model with encapsulation as the basic calculation unit,calculates the capacitance and inductance parameters through finite element method,and completes parameter extraction.Create a large matrix in MATLAB,construct differential equations based on the state variable method,solve them through numerical algorithms,output voltage waveform curves,and ultimately develop an interface for wave process calculation software.Use this software to calculate the wave process of a 66kV dry-type reactor,and compare and analyze the simulation results with the measurement results.The final conclusion indicates that the software has an error within 10%and can be applied in industrial design.

关 键 词：干式电抗器 标准雷电冲击 状态变量法 

分 类 号：TM402[电气工程—电器]