| 基于背靠背SVG的电气化铁路电能质量综合治理 |
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| 引用本文： | 邱大强,李群湛,周福林,余俊祥.基于背靠背SVG的电气化铁路电能质量综合治理[J].电力自动化设备,2010,30(6). |
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| 作者姓名： | 邱大强 李群湛 周福林 余俊祥 |
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| 作者单位： | 西南交通大学,电气工程学院,四川,成都,610031 |
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| 基金项目： | 铁道部重大科技项目，国家科技支撑计划，西南交通大学科学基金 |
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| 摘 要： | 针对电气化铁路引起的负序、谐波和无功问题,采用将SVG背靠背联接与固定补偿(FC)相结合来实现负荷平衡以及补偿无功和谐渡的方案.该方案将2台SVG背靠背联接使用,通过实时计算两供电臂的负荷差.将差值的一半有功功率通过共用的直流电容,从重臂分配到轻臂从而实现负荷平衡,并同时补偿牵引负荷引起的谐波和无功问题,达到电能质量的综合治理.该方案经过变电所实际运行,并对多种补偿方式下的电能质量进行多次测试,结果显示该方案能够达到较好的治理效果.
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| 关 键 词： | 电气化铁路 电能质量 瞬时无功功率 背靠背 治理 |
Comprehensive power quality control of electric railway based on back-to-back SVG |
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| QIU Daqiang,LI Qunzhan,ZHOU Fulin,YU Junxiang.Comprehensive power quality control of electric railway based on back-to-back SVG[J].Electric Power Automation Equipment,2010,30(6). |
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| Authors: | QIU Daqiang LI Qunzhan ZHOU Fulin YU Junxiang |
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| Affiliation: | QIU Daqiang,LI Qunzhan,ZHOU Fulin,YU Junxiang(School of Electrical Engineering,Southwest Jiaotong University,Chengdu 610031,China) |
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| Abstract: | To solve the problems in negative sequence,reactive power and harmonic caused by electric railway,a scheme combining the fixed compensation with two back-to-back connected SVGs is presented to achieve load balance and reactive & harmonic compensation.The traction load difference between two power arms is calculated in real-time and half of it is re-distributed from the heavy arm to the light arm via the common capacitor for realizing load balance and compensating the harmonic and reactive power at the same ... |
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| Keywords: | SVG |
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