| 同相牵引供电系统的补偿原理及再生制动特性 |
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| 引用本文： | 刘晓菊,李群湛,康婕,魏晓娟.同相牵引供电系统的补偿原理及再生制动特性[J].电网技术,2010(12). |
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| 作者姓名： | 刘晓菊 李群湛 康婕 魏晓娟 |
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| 作者单位： | 西南交通大学电气工程学院; |
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| 基金项目： | 国家科技计划课题“电气化铁路同相供电装置”(2007BAA12B05); 中央高校基本科研业务费创新项目“高速列车再生制动对供电质量影响研究”(SWJTU09CX031); 中央高校基本科研业务费专题研究“电气化铁路同相供电试验研究”(SWJTU09ZT12)项目的资助 |
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| 摘 要： | 由平衡变压器和综合潮流控制器(integrated power flow controller,IPFC)组合构成的同相牵引供电系统可解决负序电流、谐波电流、无功电流的补偿及电分相方面存在的问题,分析了该供电系统的补偿原理,比较了牵引和再生制动状态同相牵引供电系统对电力系统供电质量的影响,指出制动状态下IPFC可在不改变控制策略的情况下将能量平衡地回馈到三相电网,节约电能。仿真结果验证了同相牵引供电方案的正确性。
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| 关 键 词： | 同相牵引供电系统 综合潮流控制器 再生制动 脉宽调制 |
Compensation Principle of Cophase Traction Power Supply System and Its Regenerative Braking Characteristics |
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| LIU Xiaoju,LI Qunzhan,KANG Jie,WEI Xiaojuan.Compensation Principle of Cophase Traction Power Supply System and Its Regenerative Braking Characteristics[J].Power System Technology,2010(12). |
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| Authors: | LIU Xiaoju LI Qunzhan KANG Jie WEI Xiaojuan |
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| Affiliation: | LIU Xiaoju,LI Qunzhan,KANG Jie,WEI Xiaojuan(School of Electrical Engineering,Southwest Jiaotong University,Chengdu 610031,Sichuan Province,China) |
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| Abstract: | The cophase traction power supply system composed by balance transformer and integrated power flow controller(IPFC) can solve the troubles in electric railway such as negative-sequence current,harmonic currents,compensation of reactive current and electrical separation.The compensation principle of cophase traction power supply system is analyzed and the influences of cophase traction power supply system on power quality of power grid under traction and regenerative braking states are compared.It is pointed... |
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| Keywords: | cophase traction power supply system integrated power flow controller(IPFC) regenerative braking pulse width modulate(PWM) |
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