电磁式电压互感器励磁特性对铁磁混沌电路的影响分析

doi:10.11930/j.issn.1004-9649.201806121

中国电力 ›› 2019, Vol. 52 ›› Issue (5): 70-75,112.DOI: 10.11930/j.issn.1004-9649.201806121

电磁式电压互感器励磁特性对铁磁混沌电路的影响分析

王东东^1,2, 田铭兴^1,2, 张慧英^1,2

1. 兰州交通大学自动化与电气工程学院, 甘肃兰州 730070;
2. 甘肃省轨道交通电气自动化工程实验室(兰州交通大学), 甘肃兰州 730070

收稿日期:2018-06-29 修回日期:2018-12-18 出版日期:2019-05-05 发布日期:2019-05-14
通讯作者: 田铭兴(1968-),男,教授,博士生导师,通讯作者,从事电力系统电能质量分析与控制、电机设计及其控制、电力电子技术及其应用等研究,E-mail:tianmingxing@mail.lzjtu.cn
作者简介:王东东(1992-),男,硕士研究生,从事磁饱和式电抗器磁滞特性的混沌分析,E-mail:1085143509@qq.com;田铭兴(1968-),男,通信作者,教授,博士生导师,从事电力系统电能质量分析与控制、电机设计及其控制、电力电子技术及其应用等研究,E-mail:tianmingxing@mail.lzjtu.cn;张慧英(1980-),女,博士研究生,从事磁饱和式电抗器的磁化特性研究和运行特性数值分析,E-mail:zhanghylz@163.com
基金资助:
国家自然科学基金资助项目（51167009，51367010）；甘肃省科技计划项目（17JR5RA083）。

The Effect of Excitation Characteristics of Electromagnetic Voltage Transformer on Ferromagnetic Chaotic Circuit

WANG Dongdong^1,2, TIAN Mingxing^1,2, ZHANG Huiying^1,2

1. Automation and Electrical School, Lanzhou Jiaotong University, Lanzhou 730070, China;
2. Rail Transit Electrical Automation Engineering Laboratory of Gansu Province, Lanzhou Jiaotong University, Lanzhou 730070, China

Received:2018-06-29 Revised:2018-12-18 Online:2019-05-05 Published:2019-05-14
Supported by:
This work is Supported by National Natural Science Foundation of China (No.51167009, No.51367010) and Science and Technology Program of Gansu Province, China (No.17JR5RA083).

摘要/Abstract

摘要： 电力系统中，含电磁式电压互感器（TV）的电路在某些情况下可能产生混沌振荡想象，其主要原因是TV铁芯的磁饱和效应导致铁芯电感非线性变化，在实际研究中常用励磁特性曲线描述TV铁芯电感的非线性变化。引用一个含TV的四阶自治铁磁电路模型，研究了TV励磁特性对铁磁电路的影响。理论分析与仿真结果表明：铁磁电路系统中存在混沌振荡现象，电磁式电压互感器非线性励磁特性是影响该电路混沌动力学行为的重要因素。

关键词: 电力系统, 铁磁混沌, 励磁特性, 非线性

Abstract: In power system, the ferromagnetic chaotic circuit of electromagnetic voltage transformer (TV) may generate chaotic oscillations in some cases. The main reason is the magnetic saturation effect of TV core that leads to the non-linear change of inductance of core. In actual research, the excitation characteristic curve is often used to describe the nonlinear change of the TV core inductance. A fourth-order autonomous ferromagnetic circuit model with TV is introduced, and the influence of excitation characteristics of TV on ferromagnetic circuit is studied. Theoretical analysis and MATLAB simulation shows that chaotic oscillation exists in the circuit, and the nonlinear excitation characteristics of TV are the important factors that affect the chaotic dynamic behavior of the circuit.

Key words: power system, ferromagnetic chaos, excitation characteristics, nonlinear

中图分类号:

TM864

王东东, 田铭兴, 张慧英. 电磁式电压互感器励磁特性对铁磁混沌电路的影响分析[J]. 中国电力, 2019, 52(5): 70-75,112.

WANG Dongdong, TIAN Mingxing, ZHANG Huiying. The Effect of Excitation Characteristics of Electromagnetic Voltage Transformer on Ferromagnetic Chaotic Circuit[J]. Electric Power, 2019, 52(5): 70-75,112.

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https://www.electricpower.com.cn/CN/Y2019/V52/I5/70

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电磁式电压互感器励磁特性对铁磁混沌电路的影响分析

The Effect of Excitation Characteristics of Electromagnetic Voltage Transformer on Ferromagnetic Chaotic Circuit

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电磁式电压互感器励磁特性对铁磁混沌电路的影响分析

The Effect of Excitation Characteristics of Electromagnetic Voltage Transformer on Ferromagnetic Chaotic Circuit

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