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4 开闭所和末端变电站(1)开闭所 随着我国城市规模的扩大 ,人口密度迅速增加 ,中压配电网出线走廊十分拥挤 ,在配电线中途设置开闭所是解决这一矛盾主要途径之一 ,有的大中城市中心城区可以设置几十个甚至上百个开闭所。也有一些开闭所设置主要目的是为了提高供电可靠性与灵
4 Opening and closing substations and end substations (1) Opening and closing With the expansion of cities in our country, the population density is rapidly increasing, the outlet corridors of medium-voltage distribution network are very crowded, and the opening and closing of distribution lines are solved halfway to solve this contradiction One of the main ways, some medium-sized cities downtown area can be set to dozens or even hundreds of opening and closing. There are also some of the main purpose of opening and closing is to improve the reliability and power supply