一种考虑机车影响的接触网故障测距方法
普速电气化铁路采用阻抗法测距，当有机车在区间内运行时会对定位的精度产生影响。利用叠加定理，将测距时的故障电路等效为故障前机车运行状态和故障后附加状态的叠加，通过引入故障前馈线电压电流值，消除了机车对测距结果的影响，对于没有机车运行的情况一样适用。单端供电和双端供电两种情况的仿真结果表明，在有机车运行时，该方法能够提高故障测距的精度，其中对单端供电测距精度的改善更为明显。...
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| Published in | 电力系统保护与控制 Vol. 40; no. 21; pp. 25 - 29 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
华东交通大学电气工程学院,江西 南昌 330013
2012
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
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| Abstract | 普速电气化铁路采用阻抗法测距，当有机车在区间内运行时会对定位的精度产生影响。利用叠加定理，将测距时的故障电路等效为故障前机车运行状态和故障后附加状态的叠加，通过引入故障前馈线电压电流值，消除了机车对测距结果的影响，对于没有机车运行的情况一样适用。单端供电和双端供电两种情况的仿真结果表明，在有机车运行时，该方法能够提高故障测距的精度，其中对单端供电测距精度的改善更为明显。 |
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| AbstractList | TM930.9; 普速电气化铁路采用阻抗法测距,当有机车在区间内运行时会对定位的精度产生影响.利用叠加定理,将测距时的故障电路等效为故障前机车运行状态和故障后附加状态的叠加,通过引入故障前馈线电压电流值,消除了机车对测距结果的影响,对于没有机车运行的情况一样适用.单端供电和双端供电两种情况的仿真结果表明,在有机车运行时,该方法能够提高故障测距的精度,其中对单端供电测距精度的改善更为明显. 普速电气化铁路采用阻抗法测距，当有机车在区间内运行时会对定位的精度产生影响。利用叠加定理，将测距时的故障电路等效为故障前机车运行状态和故障后附加状态的叠加，通过引入故障前馈线电压电流值，消除了机车对测距结果的影响，对于没有机车运行的情况一样适用。单端供电和双端供电两种情况的仿真结果表明，在有机车运行时，该方法能够提高故障测距的精度，其中对单端供电测距精度的改善更为明显。 |
| Author | 程宏波 王勋 宋志成 伦利 |
| AuthorAffiliation | 华东交通大学电气工程学院,江西南昌330013 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | A method of fault location in electrified railway catenary affected by locomotive |
| EndPage | 29 |
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| Keywords | 机车 消除 故障测距 接触网 |
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| Notes | CHENG Hong-bo, WANG Xun, SONG Zhi-cheng, LUN Li （School of Electrical and Electronic Engineering, Eastchina Jiaotong University, Nanchang 330013, China） catenary; fault location; locomotive; elimination 41-1401/TM Impedance method is applied in the traction line fault location of normal-speed electrified railway, and the accuracy of location is affected by the locomotive running in the block. Based on superposition theorem, fault circuit is equivalent to the superposition of normal running state before fault and additional state after fault, and feeder voltage and current values are introduced to eliminate the effect of locomotive. The proposed method is also applicable for the case that there is no locomotive running. Simulation results of single power supply and double-side power supply show that the proposed method can improve the accuracy of fault location when there is locomotive running in the block, and the improvement of the location accuracy of single power supply is more obvious. |
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| PublicationTitle | 电力系统保护与控制 |
| PublicationTitleAlternate | Relay |
| PublicationTitle_FL | Power System Protection and Control |
| PublicationYear | 2012 |
| Publisher | 华东交通大学电气工程学院,江西 南昌 330013 |
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| Snippet | 普速电气化铁路采用阻抗法测距，当有机车在区间内运行时会对定位的精度产生影响。利用叠加定理，将测距时的故障电路等效为故障前机车运行状态和故障后附加状态的叠加，通过... TM930.9; 普速电气化铁路采用阻抗法测距,当有机车在区间内运行时会对定位的精度产生影响.利用叠加定理,将测距时的故障电路等效为故障前机车运行状态和故障后附加状态的叠... |
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| SubjectTerms | 接触网 故障测距 机车 消除 |
| Title | 一种考虑机车影响的接触网故障测距方法 |
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