简答题The operating conditions of the outdoor power distribution unit are better than those of the indoor power distribution unit. () A、正确 B、错误简答题Semi-height outdoor distribution unit () A、All the equipment is installed on the same level B、 Bus and equipment, equipment and equipment between not up and down overlapping layout C、Not only the overlapping arrangement between equipment and equipment, but also the overlapping arrangement between busbars D、 The busbars and equipment are mounted on several horizontal planes of different heights简答题In the 《regulations of technology of high voltage power distribution equipment design》, A1 value refers to the ( ). A、The safety net distance between charged parts to earth B、The safety net distance between different phase C、Palisade safety net distance between block to live part D、The safety net distance between mesh block to live part简答题Switchgear cabinets do not belong to complete power distribution units. A、正确 B、错误简答题The types of outdoor power distribution devices are () A、Medium B、 High type C、 Half tall type; Low type简答题In the Technical Specification for design of High Voltage Distribution Units, the A2 value refers to the safe net distance between the live part and the ground part. A、正确 B、错误简答题Most switch cabinets are insulated with air and composite materials. A、正确 B、错误简答题GIS substations usually have a larger footprint than conventional substations. A、正确 B、错误简答题The distribution unit section is drawn to scale. A、正确 B、错误简答题Plan of distribution unit () A、It's drawn to scale B、 A structure drawing showing the interconnection and specific arrangement of each device in a section of a distribution unit interval C、 The number of intervals can be determined D、 The outline of the layout of the house and its partitions, corridors and exits is drawn简答题10-35KV power distribution devices are mostly arranged inside the house. A、正确 B、错误简答题Busbars are usually arranged next to the distribution unit. A、正确 B、错误简答题A1 () in the minimum safe Net Distance for outdoor distribution units A、The minimum distance between the live part and the grounding part is stipulated B、 The minimum distance between the net and plate shading and the charged part above the shading at 2.5m upward extension line is stipulated C、 The minimum distance between charged parts of different phases is specified D、The minimum distance between the live part of the lead on either side of the break of the breaker and disconnecting switch is specified