基于不同频率法的双电路互感参数测量与实验研究

IF 2 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Zeyang Lei, Xiaojun Zhang, Wenbing Zhuang, Wei Liu, Suzhou Wu, Siyi Qi
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引用次数: 0

摘要

为了提高在双回路电力线不停电环境下输电线路互感参数的测量精度,本文利用双回路电力线并联零序耦合模型,建立了在两回路线路等零序自参数和不等零序自参数两种模式下,采用异频法测量输电线路互感参数的仿真模型。文章对耦合系数在 0.4 和 0.6 之间、线路长度为 20-50 千米的线路参数进行了仿真分析。为了进一步验证仿真模型和测量方法的正确性,根据线路互感参数测试原理,在实验室双回路线路无断电环境下建立了测试台,进行实验测试。通过对比实验条件下的测试值和标准值,证明该模型和方法能够满足工程实际测量的要求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Mutual inductance parameter measurement and experimental research of double circuit based on different frequency method

Mutual inductance parameter measurement and experimental research of double circuit based on different frequency method

In order to improve the measurement accuracy of mutual inductance parameters of transmission lines in the environment of double circuit power lines without power outage, this paper establishes simulation models for measuring mutual inductance parameters of transmission lines using the different frequency method in two modes: equal and unequal zero sequence self-parameters of two circuit lines, using a parallel zero sequence coupling model of double circuit power lines. In the article, simulation analysis is conducted on the line parameters with a coupling coefficient between 0.4 and 0.6 and a line length of 20–50 km. In order to further verify the correctness of the simulation model and measurement methods, a test bench was established based on the principle of line mutual inductance parameter testing in a laboratory dual circuit line without a power outage environment for experimental testing. By comparing the test values under experimental conditions with the standard values, it has been proven that the model and method can meet the actual measurement requirements of engineering.

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来源期刊
Iet Generation Transmission & Distribution
Iet Generation Transmission & Distribution 工程技术-工程:电子与电气
CiteScore
6.10
自引率
12.00%
发文量
301
审稿时长
5.4 months
期刊介绍: IET Generation, Transmission & Distribution is intended as a forum for the publication and discussion of current practice and future developments in electric power generation, transmission and distribution. Practical papers in which examples of good present practice can be described and disseminated are particularly sought. Papers of high technical merit relying on mathematical arguments and computation will be considered, but authors are asked to relegate, as far as possible, the details of analysis to an appendix. The scope of IET Generation, Transmission & Distribution includes the following: Design of transmission and distribution systems Operation and control of power generation Power system management, planning and economics Power system operation, protection and control Power system measurement and modelling Computer applications and computational intelligence in power flexible AC or DC transmission systems Special Issues. Current Call for papers: Next Generation of Synchrophasor-based Power System Monitoring, Operation and Control - https://digital-library.theiet.org/files/IET_GTD_CFP_NGSPSMOC.pdf
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