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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:DC transmission equipment: Simply put, DC screen is to provide stable DC power supply equipment.

Q:What is the difference between power supply and distribution: The problem is you estimate from the injection test out the electric power, is the power system of power plant and the national grid is responsible for part of the design, the design of power plant and power lines, its design must be designed by a qualified electric power design institute

Q:Distribution system equipment classification: Electronic equipment - named meaning, is mainly composed of electronic components

Q:What is the role of transmission system and distribution system in power grid: power plant and the load center often separated by long distances, resulting in the problem of power transmission. The power is sent to the user only hydropower area can be fully utilized by high voltage transmission line

Q:What is the power equipment in the distribution room?: The indoor power distribution room with low voltage load is called the power distribution room,

Q:Are electric wires and cables belong to distribution equipment?: Wire and cable for the transmission of electric (magnetic) energy, information and realize electromagnetic energy conversion of wire products, wire and cable general also referred to as the cable,

Q:CHINT group in the transmission and distribution equipment to do it?: The national grid is not purchasing some equipment of CHINT, CHINT group is now very powerful

Q:An introduction to the interpretation of flexible AC transmission systems: The parallel compensation device, such as static var compensator (SVC), thyristor controlled braking resistor (TCBR), static

Q:What is the transmission line, what is the power distribution equipment: Usually an overhead line, a very small number of lines (or some of them) is a cable line

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

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