简答题The minimum safe net distance is the minimum distance at which no breakdown of air insulation can occur under normal operating voltage or overvoltage conditions. A、正确 B、错误简答题Plan of distribution unit () A、It's drawn to scale B、 Represents the house corridors and partitions of the distribution unit and the outline of the arrangement of the equipment within each partition C、 Does not indicate the specific equipment installation situation D、 It can be used for statistics of the main equipment used in power distribution units简答题Minimum safe Net Distance for distribution units () A、Is the minimum safe distance in the air B、 At this distance, no electrical breakdown of air insulation will occur under normal or overvoltage conditions C、 Must consider the equipment operation and maintenance, equipment handling and maintenance tools of the scope of activity, construction error and other dimensions to determine D、 Only applicable to outdoor power distribution units简答题GIS does not belong to power distribution sets. A、正确 B、错误简答题() and so on are installed in their respective sealed rooms A、Circuit breaker B、Disconnecting switch C、Bus D、Grounding switch简答题The secondary wiring diagram cannot be used to describe the layout of the distribution unit. A、正确 B、错误简答题The distribution unit layout is drawn to scale. A、正确 B、错误简答题The minimum safe net distance of 110kV distribution device is larger than that of 10kV. () A、正确 B、错误简答题Kyn28-12 is a switchgear device A、正确 B、错误简答题In distribution equipment, busbar and busbar overlap arrangement also belongs to ( ). A、Ordinary medium B、Medium phase separation C、 Half tall type D、High type简答题A2 () in the Minimum Safe Net Distance for Internal Distribution Installations A、The minimum distance between the live part and the grounding part is stipulated B、 The minimum distance between the network and plate shading and the charged part above the shading is defined at 2.3m upward extension line 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简答题Generally, GIS is filled with oil insulating medium. A、正确 B、错误简答题Ordinary medium and split phase medium distribution equipment is the main difference between improved bus arrangement with ( ). A、Circuit breaker B、Busbar side isolation switch C、Line side isolation switch D、 Voltage transformer简答题A1 () in the Minimum Safe Net Distance for Internal Distribution Installations A、The minimum distance between the live part and the grounding part is stipulated B、The minimum distance between the network and plate shading and the charged part above the shading is defined at 2.3m upward extension line 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简答题Medium layout outdoor power 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Plan of distribution unit () A、It's drawn to scale B、 What is drawn is the layout outline of the house and its intervals, corridors and exits, etc C、 The intervals drawn on a plane plan are to determine the number of intervals and their positions D、 The intervals drawn on the plan determine where the equipment is installed简答题A2 () 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简答题High layout outdoor power distribution unit () A、Overlapping arrangement between equipment and equipment B、 Bus and equipment, equipment and equipment between not up and down overlapping layout C、 Overlapping arrangement between busbars D、 The busbars and equipment are mounted on several horizontal planes of different heights简答题The plan of the distribution unit is drawn to scale. A、正确 B、错误简答题The GIS used in insulating medium is ( ). A、CO2 B、SF6 C、SO2 D、O2