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移动箱变车配网不停电作业并网暂态特性分析

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"十四五"期间,全国各地大力推动配网不停电作业技术,进一步提高用户供电可靠性.移动箱变车是实现配网不停电作业项目的重要工具,其并网后对电网的暂态特性的影响大小将决定被旁路线路供电的可靠性.针对这一问题,文章利用 MATLAB/Simulink 仿真平台搭建移动箱变车旁路作业数学模型,研究移动箱变车并网后对用户侧电流和电压的暂态特性影响,并探究不同合闸角度和合闸电阻对暂态特性的抑制效果,减少移动箱变车并网暂态特性影响,对实际旁路作业的开展具有一定的指导意义.
Analysis of Grid Connection Transient Characteristics of Mobile Transformer Vehicle for Live Working
During the 14th five year plan,live working technology in distribution network is vigorously promoted in China to further improve the power supply reliability of users.Mobile transformer vehicle is an important tool to realize the uninterrupted operation project of distribution network.Its impact on the transient characteristics of power grid after grid connection will determine the reliability of power supply by bypass line.To solve this problem,the mathematical model of mobile transformer vehicle bypass operation is built by using Matlab/Simulink simulation platform,the influence of mobile transformer vehicle on the transient charac-teristics of user side current and voltage after grid connection is studied,and the suppression effect of different closing angle and closing resistance on transient characteristics is explored to reduce the influence of mobile transformer vehicle on grid connection transient characteristics,it has certain guiding significance for the actual bypass operation.

live working for distribution networkmobile transformer vehicletransient analysis

周志强

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国网江苏省电力有限公司 无锡供电分公司,江苏省 无锡市 214000

配网不停电作业 移动箱变车 暂态分析

2024

电力信息与通信技术
中国电力科学研究院

电力信息与通信技术

CSTPCD
影响因子:0.699
ISSN:1672-4844
年,卷(期):2024.22(10)
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