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Wysłany: Śro 0:16, 01 Gru 2010 |
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Based on Distributed Parameter Model of Fault Location Algorithm for Traction
Failure and Ranging Results Tab. 2Simulationresultsunderdifferentfaultangle can be seen from Table 1,2,[link widoczny dla zalogowanych], the transition resistance and fault angle on ranging results are basically no effect, compared to electric resistance method,[link widoczny dla zalogowanych], the method is not only more accurate,[link widoczny dla zalogowanych], but also stronger robust. 5 Conclusion The proposed algorithm has simplicity, only need to know before end of the line voltage, current and line parameters, you can find the fault distance; ranging equations through processing, while ensuring the accuracy can be quickly and easily get fault distance; ranging from the results of the transition angle of resistance and the impact of failure, robustness. References: [1] Ran Xu (RanXu). Double End Traction Network Traveling Wave Fault Location System (ATwo-TerminalFaultLocationSystemBasedonTravellingWaveTheoryforTractionNetworksofElectricRailway) [D]. Xi'an: Xi'an Jiaotong University (Xi'an: Xi'anJiaotongUniversity), 2001. [23ChenZheng, LuoChengmu, SuJinxi, eta1. Afaultlocationalgorithmfortransmissionlinebasedondistributedparameter [A-]. In: Proceedingsofthe7thInternationalConferenceonDevelopmentsinPowerSystemProtection (IEE) [C]. Amsterdam, Netherlands :2001,411-413. [33HaHengxu, ZhangBaohui. Anovelprincipleofsing-le - endedfaultlocationtechniqueforEHVtransmiss - ionlines [J]. IEEETransonPowerDelivery. 2003,18 (4) :1147-1151. [4] Wu Ping, Zhang Yao (WuPing, ZhangYao). Single-terminal electrical quantities based fault location algorithm (Locationusingone-terminaldatafortransmissionline) [J]. Power System Technology (ProceedingsoftheCSU-EPSA), 2003,15 (4) :5-7. [5] Wang Junyong, Zhang Bao-hui (WangJunyong, ZhangBaohui). Non-direct ground neutral system of single-phase ground fault locating algorithm (Anewfaultlocationalgorithmforsingle - phase - to - earthfaultinnon-direct-groundingneutralsystem) [J]. Electric Power Automation Equipment (ElectricPowerAutomationEquipment), 2000,20 (2) :8-11. [6] Tan Xiubing, Liu Xiangyang (TanXiubing, LiuXiangyang). AC electrified railway power supply (TractionPowerSupplySystemofACElectricRailway) [M]. Chengdu: Southwest Jiaotong University Press (Chengdu: SouthwestJiaotongUniversityPress), 2002. About the author: Cheng Wei (1979), male, Ph.D., is mainly engaged in processing and protection of information. Email: hugh103 @ 163. com Guo-Qing Xu (1967 a), male, Professor, is mainly engaged in control theory and automation of power systems. Email: xugqdrr @ vip. sina. com Hua Mu (1963 a), male,[link widoczny dla zalogowanych], professor, mainly engaged in electrical safety,[link widoczny dla zalogowanych], smart appliances and protection of research. Email: lhmu @ vip. 163. com
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