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电网技术  2009 

国家电网公司直流输电系统可靠性统计与分析

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Keywords: 直流输电系统,可靠性,强迫停运次数,强迫能量不可用率,计划能量不可用率,能量利用率

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Abstract:

直流输电系统的可靠性水平已成为影响整个电力系统可靠性的重要因素。文章从强迫停运次数、强迫能量不可用率、计划能量不可用率、能量利用率这4个方面,分析了2003年以来国家电网公司直流输电系统的可靠性。直流输电系统的各个可靠性指标相互影响,建立科学合理的可靠性评价体系,可实现电网资产效益最大化。对比国内外直流输电系统的可靠性指标,分析得出国家电网公司直流输电系统可靠性水平位居世界前列。

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