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

Q: What is the power equipment in the distribution room?: 10kV and below voltage rating equipment, divided into high voltage distribution room and low-voltage distribution room

Q: What is the role of transmission system and distribution system in power grid: The distribution of power resources and power load centers in most countries in the world is inconsistent.

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: An introduction to the interpretation of flexible AC transmission systems: The series compensation device such as thyristor controlled series capacitor (TCSC), thyristor controlled reactor (TCSR), static synchronous series compensator (SSSC), active power flow is mainly used to change the system of distribution, improve the system transmission capacity and transient stability etc.;

Q: Main equipment of high voltage direct current transmission: Converter also known as converter valve is the key equipment in the converter station, its function is to achieve rectification and inverter

Q: What is the transmission line, what is the power distribution equipment: Distribution equipment is generally referred to as the distribution lines and distribution substations (usually 35kV and below).

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: 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

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