简答题The main wiring form of non-busbar class is (). A、Bridge connection B、Polygonal connection C、 Unit wiring D、3/2 connection简答题Unit connection belongs to busbar type connection. A、正确 B、错误简答题In the following wiring forms, the failure of the working bus will not affect the power supply is ( ). A、Single bus connection B、Double bus connection C、 3/2 connection D、Double bus with bypass bus connection简答题The indoor and outdoor lighting of the substation belongs to the electricity load of the substation. A、正确 B、错误简答题A newly built substation has two transformers, and there are two return lines on the 110kV side. The main connection mode on this side is the most suitable ( ). A、Double box section connection B、Bridge connection C、Unit connection D、One and a half circuit breaker wiring简答题In general double-bus connection, when the working bus is faulty, the power supply influence range is ( ). A、Does not affect the power supply B、Only affects the circuit power supply C、All power D、Only short time power outages, before the repair can pour brake quickly restore power to the circuit operation简答题The load used for substation includes () A、Main transformer cooling system B、Fire protection system of substation C、Substation heating, ventilation, air conditioning system D、 Substation water supply and drainage system简答题The main wiring form of the busbar class has () A、Single busbar B、 Double bus C、Half circuit breaker connection D、 The bridge connection简答题In single female segment wiring, the following statement is correct ( ) when the bus is repaired. A、Power supply will not be affected B、Affect only one circuit power supply C、 Power failure of all circuits connected to the bus section D、It is only a short power outage, which can be quickly restored by switching operation简答题Which of the following wiring forms has the worst power supply reliability ( ). A、Single bus connection B、 Double bus connection C、 3/3 connection D、Double bus with bypass bus connection简答题Interbus's role is to repair any access into the qualification of bypass bus( ), without the circuit power outages. A、Disconnecting switch B、 Circuit breaker C、 The line D、Current transformer简答题Electrical wiring refers to the main electrical wiring. A、正确 B、错误简答题The load used for substation includes () A、Indoor and outdoor lighting of substation B、Heating, ventilation and dehumidification of electrical equipment control box C、Dc system battery charging D、 Domestic electricity consumption of substation简答题In general double bus connection, when the bus is being repaired, the power supply influence range is ( ). A、Does not affect the power supply B、Only affects the circuit power supply C、All power D、Only short time power outages, before the repair can pour brake quickly restore power to the circuit operation简答题The function of the bypass bus is to replace other buses that need to be repaired, so as to avoid the power failure of all branches during the repair of the bus. A、正确 B、错误简答题In a half circuit breaker connection, when the bus is being repaired, the power supply influence range is ( ). A、Does not affect the power supply B、Affects only a loop power supply C、All power D、Does not affect Only short time power outages, before the repair can pour brake quickly restore power to the circuit operation简答题In general double bus connection, when the disconnecting switch on the bus side of the outlet loop is repaired, the power supply influence range is ( ). A、Does not affect the power supply B、Only affects the circuit power supply C、All power D、Only short time power outages, before the repair can pour brake quickly restore power to the circuit operation简答题The 220kV outgoing line of a newly built substation has 6 circuits, and the main connection mode of this side is the most suitable ( ). A、Double box section connection B、Bridge connection C、Unit connection D、Single busbar connection简答题The statement about the outer bridge connection is correct ( ). A、Simple line operation B、Transformer switching convenience C、Suitable for a long line D、Suitable for transformer infrequent operation简答题The statement about the inner bridge connection is correct ( ). A、Simple line operation B、Transformer switching convenience C、Suitable for short circuit D、 Suitable for frequent operation of transformer