ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 38 Issue 3 > 2012,38(3):349-352. DOI:10.7519/j.issn.1000-0526.2012.03.013 Prev Next
TemporalSpatial Distributive Characteristics of Power Grid Disasters and Their Relation with Meteorological Factors over Beijing
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Abstract:
The spatiotemporal distributive characteristics of power grid disasters during 1996-2009 in Beijing are investigated based on the disaster cases of power grid supplied by Beijing Electric Power Testing Research Institute. The results showed that lightning disaster (hereafter, it means the power grid disaster caused by lightning) is the main disaster in this area, accounting for 71.3% of the total power grid disasters. Adding with the relative important contribution of wind damage and icing disaster, the contribution can reach to 92.1%. And power grid disasters present significant regional distribution and seasonal character in Beijing; high incidence areas are located in Yanqing District, Changping District and Miyun District which are mainly centralized in the north of Beijing while the low incidence areas are concentrated in the south of Beijing including Daxing District, Tongzhou District. The seasonal distribution of power grid disasters is mainly concentrated in the period of June to September. Furthermore, through analysis some advices are given for improving the power network.
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