220kV~500kV变电所中,当380/220V屏柜双列布置时,跨越屏前的裸导体对地高度及遮护后通道高度分别不得低于下列哪组数值?()
A.2200mm,1500mm B.2200mm,1900mm C.2500mm,1900mm D.2500mm,2200mm正确答案D
220kV~500kV变电所中,当380/220V屏柜双列布置时,跨越屏前的裸导体对地高度及遮护后通道高度分别不得低于下列哪组数值?()
A.2200mm,1500mm B.2200mm,1900mm C.2500mm,1900mm D.2500mm,2200mm正确答案D