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0引言近年来,随着国民经济和社会的快速发展以及全国联网战略的实施,电网处于前所未有的快速发展期,电网的规模不断扩大,结构日趋复杂,地理跨度日渐加大。我国幅员辽阔,气候差异很大,恶劣的气象条件对日益庞大的电网安全运行的影响程度也随之增加,台风、大雾、冰冻、高温等恶劣气象条件引发的电网事故时有报道。
0 Introduction In recent years, with the rapid development of the national economy and society as well as the implementation of the national networking strategy, the power grid has been in an unprecedented rapid development period. The scale of the power grid is constantly expanding, the structure is becoming increasingly complicated and the geographical span is gradually increasing. China has a vast territory and a large climate difference. As a result, severe weather conditions have an increasing impact on the increasingly safe operation of power grids. Power grid accidents caused by typhoons, fog, ice and high temperature have been reported.