switch cabinet

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Specifications

the distribution power device with 12kv, three-phase, AC, 50HZ, used in the single bus and segmented system.

Standard:

GB3906-2006; DL/T 404-1997.

Usage:

Used in the single bus power system with 3.6-12kv, AC, three-phase, 50HZ to accept and distribute power, control, protect and monitor the circuit.

The technical parameter:

Item		Unit	Parameter
rated voltage		kV	3.6,7.2 ,12
rated current		A	1250,1600,2000,2500,3150
rated short-circuit drop-out current		kA	31.5,40
4Srated heat steady current		kA	31.5, 40
rated dynamic current		kA	80 ,100
rated lighting impulse withstand voltage		kV	75
Rated 1min power frequency withstand voltage		kV	42
auxiliary circuit power frequency withstand voltage		V	2000
auxiliary circuit control voltage		V	DC110,220 ; AC110,220
the level of protection of Shell and cabinet			IP4X
Size of cabinet	Middle-type	mm	900×1775×2050(800×1775×2050)
	Landing middle-type	mm	840×1775×2200(1000×1775×2200)

Q:Rural high voltage transmission line equipment ownership: the transformer can be what, look at the role of electrical appliances can be

Q:What is the transmission line, what is the power distribution equipment: As the name implies, the transmission is by the power plant or power center regional power grid (sending end), to the load center power grid (by the end) of the transmission of electricity; power distribution is to be distributed by the substation or bus power down.

Q:What are the general requirements for working on distribution equipment?: Distribution equipment including high voltage power distribution room, substation, power distribution transformer platform, low voltage power distribution room (box), ring network cabinet, cable branch box] outage maintenance,

Q:Are electric wires and cables belong to distribution equipment?: Distribution equipment (Electrical Equipment) is in the electric power system of HV switchgear, generator, transformer, power circuit, circuit breaker, low voltage switch cabinet, distribution board, switch box, control box and other equipment collectively.

Q:Power distribution equipment should be prepared before the blackout?: Before the power failure, the person in charge or the electrical appliance technician should fill in the work order.

Q:What is the difference between power supply and distribution: The two is the integration of power generation and power supply.

Q:Transmission lines are not electrical equipment?: Transmission lines are not electrical equipment? The answer is: the device is a function of the assembly

Q:Main equipment of high voltage direct current transmission: At present, most of the converter adopts thyristor thyristor rectifier, which is composed of three phase bridge rectifier.

Q:What are the distribution network equipment: Electricity and other energy sources, its main features are: cannot be stored in large scale, power generation, transmission, distribution and consumption at the same instant

Q:High and low voltage distribution equipment: High voltage distribution equipment: high voltage fuse; high voltage isolation switch; high voltage load switch; high voltage circuit breaker.

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