| YN／变压器负序电流和谐波电流的分析 |
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| 引用本文： | 陆家榆,盛剑霓,陈莉. YN／变压器负序电流和谐波电流的分析[J]. 海军工程大学学报, 1995, 0(3) |
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| 作者姓名： | 陆家榆 盛剑霓 陈莉 |
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| 作者单位： | 西安交通大学 |
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| 摘 要： | 考虑二相负荷大小、功率因数变化，分析了ＹＮ／联结平衡变压器用于铁道牵引电站时一次侧的负序和谐波电流的变化规律。通过与ＹＮ／△接线变压器比较，说明ＹＮ／联结平衡变压器在减小电网负序和谐波电流方面具有很大优势。在牵引电站中使用该变压器能显著地提高牵引供电系统的技术和经济性能。
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| 关 键 词： | 平衡变压器；负序；谐波；电网；铁道 |
Analysis of Negative Sequence Current and Harmonics in Power System with YN Connected Balance Trnsformer |
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| Lu Jiayu, Sheng Jianni, Chen Li. Analysis of Negative Sequence Current and Harmonics in Power System with YN Connected Balance Trnsformer[J]. Journal of Naval University of Engineering, 1995, 0(3) |
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| Authors: | Lu Jiayu Sheng Jianni Chen Li |
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| Affiliation: | Lu Jiayu; Sheng Jianni; Chen Li |
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| Abstract: | Considering changes of two-phase loads and their power factor of YN/V connected transformer, this paper analyses the pattern of primary negative sequence current and harmonics of the transformer. Compared with YN/V connected ims former, this transformer can remarkably decrease negative sequence current and harmonics in power system. By using the transformer, the performance of the draw substation and its power supply system in technology and economy will be improved greatly. |
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| Keywords: | Balance transformer Negative sequence Harmonics Power system Railway |
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