| 配出中性导体的IT系统带非线性负载研究 |
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| 引用本文： | 吕强,徐晔,侯鹏飞,石朝泓.配出中性导体的IT系统带非线性负载研究[J].电网与水力发电进展,2013,29(5):18-23. |
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| 作者姓名： | 吕强 徐晔 侯鹏飞 石朝泓 |
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| 作者单位： | 中国人民解放军理工大学国防工程学院,江苏南京,210007 |
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| 摘 要： | 阐述了配出中性导体的IT系统应用于船舶岸电的条件及优越性，综合考虑电压畸变率、中性导体电流等因素，分析了配出中性导体的IT系统带非线性负载时谐波电流规律。在Simulink／MATLAB中建立了系统仿真模型，并搭建了原型系统进行试验，结果表日月，配出中性导体的IT系统带非线性负载时满足现行国标对低压配电系统电能质量的相关要求。
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| 关 键 词： | 配出中性导体 IT系统 畸变率 非线性负载 电流不平衡度 电压偏差 |
IT System with Neutral Conductor with Nonlinear Load |
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| Authors: | LV Qiang XU Ye HOU Peng-fei and SHI Zhao-hong |
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| Affiliation: | L(U) Qiang
,
XU Ye
,
HOU Peng-fei
,
SHI Zhao-hong |
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| Abstract: | The conditions and advantages of the IT System with neutral conductor used in the ship shore power are elaborated in this paper. With comprehensive consideration of factors such as the voltage distortion rate and neutral conductor current and etc, the harmonic current law of the IT system with neutral conductor with nonlinear load is analyzed. The simulation model is built in Simulink/MATLAB and the original system is established and tested. The simulation results show that the IT system with neutral conductor can meet the national standard for the power quality of the low voltage distribution system when nonlinear load is added. |
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| Keywords: | neutral conductor IT system distortion rate nonlinear load current unbalance rate voltage deviation |
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