YB系列预装式箱式变电站（简称箱变）是一种把高压开关设备，配电变压器，低压开关设备，电能计量设备和无功补偿装置等按接线方案组合在一个或几个箱的紧凑型成套配电装置。它适用于额定电压10/O.69-0.4KV三相交流系统中，作为接受和分配电能之用。适用于工厂、矿山、油田、港口、机场、城市公共建筑、居民小区、高速公路、地下设施等场所。 箱变具有：成套性高、体积小、造型美观、维护方便、可选择性大等优点。在经济上占有地面积小，移动方便、建设周期短、减少浪费等优点。 本产品符合GB/Tl746《高压/低压预装式变电站》的标准和SD320《箱式变电站条件》。 YB series preinstalled box—type substation(hereinafter box substation，for short)is a compact power distribution unit which integrates the high—voltage power distribution unit，power transformer，low—voltage power distribution unit,electric power measuring equipment and reactive power compensation device in one or several box according to a certain wiring schemes．It applies to three—phase A．C．circuit with rated voltage of 10/0.69—0.4KV，for receiving and distributing electric energy．The box substation is suitable for the factory，the mine，the oil field，the harbor，the airport,the city public building，the inhabitant plot，the highway，underground facility and so on. The box substation has the technical advantages with complete and strong，small volume，beautiful shape safety in operation，convenient maintenance，more selectivity and ect．In addition，there’re many favorable economic conditions，such as small spacing，easy moving，short construction periods，waste reducing This product is according to GB/Tl 7467“high—voltage/low—voltage preinstalled box-type substation”and SD320“preinstalled box—type substation technical conditions”.
