2006年全国220kV及以上电压等级输变电设施可靠性分析

Reliability Analysis for Nation-Wide 220kV and the Above Power Transmission and Transformation Facilities in 2006

对2006年全国220kV及以上电压等级13类输变电设施,特别是对变压器、断路器、架空线路3类主要输变电设施的可靠性情况进行了统计分析,通过对近几年可靠性指标的分析比较,指出了影响可靠性因素的变化趋势。

The statistics and analyses of the reliability conditions were carried out for nation-wide 220 kV and the above 13 kinds of power transmission and transformation facilities in 2006, especially for transformer, circuit breaker and overhead line. Through comparison and analysis of reliability index in last few years, it is pointed out the change tendency that affects reliability factors.