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| 两相型SVG在电铁电能质量治理中的应用研究 | |
| 引用本文： | 周春晓,高云峰,沈斐,周茂普.两相型SVG在电铁电能质量治理中的应用研究[J].电气化铁道,2008(1):6-9. |
| 作者姓名： | 周春晓 高云峰 沈斐 周茂普 |
| 作者单位： | 1. 66370部队装备处,河北,怀来,075400 2. 煤炭科学研究总院太原研究院 3. 清华大学电机系 |
| 摘 要： | 介绍了我国电铁电能质量现状.在分析SVG原理的基础上,提出了用于电铁电能质量治理的两相型SVG方案,就适用于电气化铁道的阻抗匹配平衡型变压器进行了SVG的补偿机理与算法研究.该方法和传统仅作为无功补偿的SVG相比,共用直流型SVG由于能进行有功功率的交换,抑制三相不平衡的能力进一步加强,充分发挥了SVG可以利用VSC变流器进行有功无功双向调节的优越性.以某牵引变电站为例,进行了电能质量综合指标的考核,得出并联两相型SVG是我国电气化铁道电能质量综合治理的理想装置. |
| 关 键 词： | 电气化铁道 电能质量 |
| 文章编号： | 1007-936X(2008)01-0006-04 |
| 修稿时间： | 2007年7月18日 |
Research on Application of Two-phase SVG for Improving Power Quality of Electric Railway |
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| Zhou Chunxiao Gao Yunfeng Shen Fei.Research on Application of Two-phase SVG for Improving Power Quality of Electric Railway[J].Electric Railway,2008(1):6-9. | |
| Authors: | Zhou Chunxiao Gao Yunfeng Shen Fei |
| Institution: | Zhou Chunxiao Gao Yunfeng Shen Fei |
| Abstract: | Power quality of electric railway was introduced in this paper.Two-phase SVG was recommended to improving the power quality of electric railway.Principle of SVG was analyzed in the application of electric railway station based on Impedance-Matched Balance Transformer.Compared with traditional three-phase SVG used in power system,active power can be exchanged between two single phase converter through the common dc capacitor,so that the system imbalance can be extremely improved.Detail scheme of the using of two-phase SVG was presented for a certain electric railway station.Based on the analyze and simulation,conclusion was made that the two-phase SVG is an ideal choice for improving the power quality of electric railway. |
| Keywords: | SVG |
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