| 基于MATLAB的二次谐波制动变压器差动保护仿真研究 |
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| 引用本文： | 袁瑶,张龙斌.基于MATLAB的二次谐波制动变压器差动保护仿真研究[J].科技咨询导报,2013(8):101-102. |
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| 作者姓名： | 袁瑶 张龙斌 |
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| 作者单位： | 1. 长春工程学院电气与信息工程学院 吉林长春130012
2. 长春工程学院电气与信息工程学院 吉林长春130012;长春工程学院吉林省配电设备产业公共技术研发中心 吉林长春130012 |
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| 基金项目： | 基金项目：吉林省教育厅“十二五”科学技术研究项目：Ⅸ配电网脆弱性与安全性评估系统软件的研究与应用》,编号：吉教科合字【2011】第250号. |
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| 摘 要： | 该文主要以电力系统变压器差动保护为研究对象,通过阐述基本的变压器差动保护工作原理,讨论了差动保护误动作的主要原因及存在的问题.利用Matlab中的Simulink程序搭建仿真电路,建立了二次谐波制动与电流差动速断保护相配合的变压器差动保护仿真模型,并对仿真结果进行有效分析.
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| 关 键 词： | 二次谐波 差动保护 仿真 MATLAB 继电保护 |
Simulation Study of Differential Protection for Power Transformer with Second Harmonic Restraint Based on MATLAB |
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| YUAN Yao
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ZHANG Longbin.Simulation Study of Differential Protection for Power Transformer with Second Harmonic Restraint Based on MATLAB[J].Science and Technology Consulting Herald,2013(8):101-102. |
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| Authors: | YUAN Yao ZHANG Longbin |
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| Institution: | 1 .Changchun Institute of Technology, School of Electrical Engineering and Information Technology, Changchun 130012, China; 2.Changchun Institute of Technology, Distribution Automation Engineering Research Center, Changchun 130012, China) |
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| Abstract: | Object of study of this paper is Power system transformer differential protection.Through the elaboration of the basic work principle of transformer differential protection, the main causes of malfunction of differential protection and the existing problems are discussed.Using the Simulink program in Matlab, simulation circuit is built, which can include the simulation model of transformer differential protection with two harmonic brake and differential current quick--break protection coordination. |
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| Keywords: | second harmonic differential protection simulation MATLAB relay protection |
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