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在农村电网建设改造中,山东省莘县按照《农村电网建设与改造技术原则》的要求,坚持“小容量、密布点、短半径”的原则进行建设改造,配变设置在负荷中心或大用户附近。配变双杆台架式以其结构紧凑、安装方便、占地少、经济实用等优点,在改造中得到了较为普遍的应用。1 双杆台架式的正确安装 按照规程配变容量315kVA及以下宜采用双杆台架式。双杆台架式一般有高压引线支撑架、跌落开关及避雷器安置
In the construction and reconstruction of rural power grids, Shen County, Shandong Province, in accordance with the “rural power grid construction and transformation of technical principles,” the requirements, adhere to the “small capacity, dense points, short radius,” the principle of construction and transformation, distribution transformer set in the load center or large users nearby. With the advantages of compact double-pole gantry, compact installation, convenient installation, small occupied area, economical and practical, it has been widely used in the reconstruction. 1 double pole rack-type installation in accordance with the rules with variable capacity 315kVA and below should adopt double pole rack type. Double-pole rack-type high-voltage lead support bracket, drop switch and arrester placement