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七十年代以来,我省各地积极建设小水电站,十一届三中全会之后,更以每年超过10万千瓦的增长速度向前发展.至1983年止全省小水电总装机容量已达131万千瓦,其中单机500千瓦以上的高压机组电站就有200多座.这些小水电站绝大多数是依靠地(市)、县的力量搞起来的,技术上有不少创新,取得了很大的成绩,但亦存在一些问题.本文拟就我省单机500千瓦以上的高压机组小水电站电气主接线的特点和主变选择的若干问题,提出一些意见,供各地同行参考.
Since the 1970s, small hydropower stations have been actively built up in all parts of the province, and even after the Third Plenary Session of the 11th Central Committee of the Communist Party of China, they have been growing at an annual rate of more than 100,000 kilowatts. By 1983, the total installed capacity of small hydropower in the province had reached 1.31 million Kilowatts, of which more than 500 kilowatts single high voltage power station there are more than 200. The vast majority of these small hydropower stations rely on the (city), county power to engage in a number of technical innovations, and achieved great success , But there are also some problems.This paper plans to put forward some suggestions on the characteristics of the main electrical wiring of small hydropower station and the selection of main transformer for the high voltage unit of 500 MW or more in our province,