铁路纯电缆连续输电线路分布电容的影响及其补偿

Proceedings of the 41st International Universities Power Engineering Conference Pub Date : 2006-09-01 DOI:10.1109/UPEC.2006.367539

Yang Qiu-rong, Duan Xian-zhong, Liu Xin, Wang Xue-feng

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引用次数: 0

摘要

10kv铁路纯电缆连续输电线路中分布电容电流的补偿问题，目前还没有很好的解决方法。分析和讨论了现有两种技术的可行性和缺点，一种是采用接地的威式电抗器，另一种是采用中性共振接地系统。提出了一种将两种技术相结合的最优补偿方案来解决这一问题。本文对线路头部的功率因数、线路末端的电压和单相接地电流进行了建模和分析。证明了对感应无功功率进行补偿是校正功率因数的必要条件

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Influence of Distributed Capacitance in Railway Cable-Only Continuous Power Transmission Line and Its Compensation

There is not a sound method which can solve the compensation problem of the distributed capacitance current in 10 kV railway cable-only continuous power transmission line. The feasibilities and disadvantages of the two present technologies are analyzed and discussed, the one of which is the grounded wye-reactor, and the other is using the neutral resonance grounding system. A novel optimum compensation scheme that combines the two technologies to solve this problem is proposed. The power factor at the head and the voltage at the end of the line and the single-phase grounding current are modeled and analyzed in this paper. It is proved that the compensation to the inductive reactive power is necessary to the correction of the power factor

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Proceedings of the 41st International Universities Power Engineering Conference

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