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: 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: What are the general requirements for working on distribution equipment?: Can be plugged into the elbow cable connector, not load operation.

Q: AC distribution equipment including distribution box: Connect the power supply, transformer, converter and other equipment for load distribution box, and monitoring

Q: DC transmission equipment: DC screen commonly known as intelligent maintenance free DC power supply screen, referred to as DC screen, the general model is GZDW.

Q: What is the power equipment in the distribution room?: High voltage distribution room generally refers to the 6kV - 10kV high voltage switch room; low voltage distribution room is generally refers to the 10kV or 35kV station with variable line 400V distribution room

Q: Transmission system and distribution system: Simply put, you can distinguish between the end of the cable to the use of electrical equipment (motor, power box) is the distribution system to the substation, transformer is the transmission system

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: 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: Rural high voltage transmission line equipment ownership: High voltage transmission line, one end of the power plant (power), the other end of the number of users in the use of electricity, of course, the current