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高压电器  2014 

电气化铁路负荷电能质量监测评估分析

, PP. 79-82

Keywords: 电气化铁路,机车,电能质量,监测,评估

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Abstract:

随着动车和高铁在中国迅速发展,大功率、非线性的交流电力机车单相负荷越来越多地出现在供电系统中,对电力系统的电能质量带来新的影响。目前针对高铁对电力系统影响主要侧重于对机车电气主电路的研究上,缺少根据交流型机车的电气特性进行电能质量针对性检测评估分析的相关方法。文中首先对电力机车的电气特征及其电能质量干扰特征进行了分析,在此基础上着重分析了电力机车负荷电能质量监测中应关注的若干问题,并给出了针对电力机车负荷的电能质量评估的基本方法。分析表明电力机车负荷电能质量监测不仅要关注稳态电能质量指标,同时也要关注其暂态电能质量干扰危害。

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