External connecting device of three-phase transformer
专利汇可以提供External connecting device of three-phase transformer专利检索，专利查询，专利分析的服务。并且PURPOSE:To minimize installation space and improve layout of a power plant or substation, by a method wherein at least one group of gas insulation bus bars at high voltage side and medium voltage side are disposed on upper side of single- phase transformers to constitute a three-phase transformer. CONSTITUTION:High-voltage terminals are formed respectively on upper side of single-phase transformers 10A-10C at the same level and connected to high- voltage gas insulation bus bars 11A-11C disposed in the direction of single- phase transformers in parallel arrangement. Medium-voltage terminals are formed on upper side of the single-phase transformers at the same level and in the reverse direction to respective high-voltage gas insulation bus bars and connected to medium-voltage gas insulation bus bars 12A-12C disposed in the direction of the single-phase transformers in parallel arrangement. Thus high-voltage gas insulation bus bars and medium-voltage gas insulation bus bars disposed on upper side of single-phase transformers are connected to respective switching devices. In this constitution, installation space for gas insulation bus bars at high voltage side and medium voltage side is not required, but space for each single- phase transformer itself will do, thereby the limited area for the substation can be utilized effectively.，下面是External connecting device of three-phase transformer专利的具体信息内容。
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