66kV V Type Switch Disconnector with electric operating mechanism

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Product Classification and Main Technical Specification

1), product classification

Voltage level: 40.5kV, 72.5kV, 126kV.

Current level: 1250A, 2000A, 3150A.

Auxiliary earthing switch type: none earthing switch, left earthing switch, right earthing switch, double earthing switches.

Rotation type: rotation with an angle of 90 degree, rotation with an angle of 180 degree.

2), Main Technical Specifications

Technical Specifications	Product Type	GW5-40.5Ⅲ	GW5-72.5Ⅲ	GW5-126Ⅲ
Rated voltage kV		40.5	72.5	126
The rated current A		1250, 2000, 3150
Disconnector	Rated peak withstand current kA	100, 125
	Rated short-time withstand current (RMS)kA	40, 50
	Rated short circuit duration s	4, 3
Grounding switch	Rated peak withstand current kA	100, 125
	Rated short-time withstand current (RMS)kA	40, 50
	Rated short circuit duration s	4, 3
Rated short-time power frequency withstand voltage (RMS) kV	to earth	95	160	230
Rated short-time power frequency withstand voltage (RMS) kV	across open contacts	118	200	230+70
Rated lightning impulse withstand voltage (peak) kV	to earth	185	350	550
Rated lightning impulse withstand voltage (peak) kV	across open contacts	215	410	550+100
minimum clearance in 1 min power frequency withstand voltage when ground blade closing to live part of disconnector		53	94	164
rated terminal static mechanic load N	longitudinal level	800, 1000	800, 1000	1000, 1250
	Horizontal level	500, 750	500, 750	750
	Vertical force	750	750	1000
switching micro-capacitance current A		2	2	2
switching micro-inductance current A		1	1	1
switching busbar for current transfer A (busbar transfer voltage 100V)		400V, 2500A, 100 times
Radio interference level		less than 500 μV
Mechanical life		3000	3000	3000
single pole weight (kg)		120	200	260
Note: All applied to an altitude of 2000m

Q:CHINT group in the transmission and distribution equipment to do it?: Really is the leader in the domestic electrical industry!

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

Q:Transmission and transformation equipment: Power transmission and transformation of the protection of the main transformer, relay protection devices, lightning arrester, etc..

Q:What are the general requirements for working on distribution equipment?: When the high voltage line is not cut off, the person in charge of the work shall explain to the whole staff that there is electricity on the line and strengthen the monitoring

Q:Power distribution equipment should be prepared before the blackout?: The actual operation, one man operation, another voice.

Q:Distribution system equipment classification: Special equipment used in a certain industry, such as artillery, automatic teller machine, steel making furnace, etc.

Q:What is the role of transmission system and distribution system in power grid: Such as water resources are concentrated in the river basin water level drop larger place, fuel resources in coal, oil, gas.

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

Q:What are the two power distribution equipment?: Primary equipment is the equipment used in the main system of transmission, transmission and distribution

Q:Transmission lines are not electrical equipment?: If you are satisfied, please accept it as a satisfactory answer

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