Centre Rotating Double Break isolating switch
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 400 unit/month
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Product Classification and Main Technical Specification
1), product classification
Voltage level: 126kV, 145kV, 170kV, 252kV, 363kV, 420kV, 550kV.
Current level: 2000A, 3150A, 4000A, 5000A
Auxiliary earthing switch type: None earthing switch, left earthing switch, right earthing switch, double earthing switch.
2), Main Technical Specifications
Technical Specifications | GW7-126 | GW7-145 | GW7-170 | |
Rated voltage kV | 126 | 145 | 170 | |
The rated current A | 2000, 3150, 4000 | 2000, 3150, 4000, 5000 | ||
Disconnector | Rated peak withstand current kA | 125 | 125,160 | |
Rated short-time withstand current (RMS)kA | 50 | 50 | 50,63 | |
Rated short circuit duration s | 3 | 3 | 3 | |
Grounding switch | Rated peak withstand current kA | 125 | 125 | 125,160 |
Rated short-time withstand current (RMS)kA | 50 | 50 | 50,63 | |
Rated short circuit duration s | 3 | 3 | 3 | |
Rated short-time power frequency withstand voltage (RMS) kV | to earth | 230 | 275 | 325 |
across isolating point | 230+70 | 315 | 375 | |
Rated lightning impulse withstand voltage (peak) kV | to earth | 550 | 650 | 750 |
across isolating point | 550+100 | 750 | 860 | |
open and close busbar for current transfer | open and close current A | 2500 | 2500 | 2500 |
transfer voltage V | 400 | 400 | 400 | |
open and close times | 100 | 100 | 100 | |
open and close low current | capacitance current A | 1 | 1 | 2 |
inductance current A | 0.5 | 0.5 | 1 | |
Radio interference level | less than 500 μv | |||
Mechanical life | 3000 | 3000 | 3000 | |
rated terminal static mechanic load N | longitudinal level | 1250 | 1500 | 1500 |
Horizontal level | 750 | 1000 | 1000 | |
Vertical force | 100 | 1250 | 1250 | |
rated contact area mm | Longitudinal displacement | 350 | 350 | 350 |
horizontal displacement | 350 | 350 | 350 | |
Vertical displacement | 300 | 300 | 300 | |
All applied in an altitude of 2000m |
Technical Specifications | GW7-252 | GW7-363 | GW7-420 | GW7-550 | |
Rated voltage kV | 252 | 363 | 420 | 550 | |
The rated current A | 2000, 3150, 4000, 5000 | 2000, 3150, 4000, 5000 | 3150, 4000,5000 | ||
Disconnector | Rated peak withstand current kA | 125, 160 | 125, 160 | 125, 160 | 125, 160 |
Rated short-time withstand current (RMS)kA | 50, 63 | 50, 63 | 50, 63 | 50, 63 | |
Rated short circuit duration s | 3 | 3 | 3 | 3 | |
Grounding switch | Rated peak withstand current kA | 125, 160 | 125, 160 | 125, 160 | 125, 160 |
Rated short-time withstand current (RMS)kA | 50, 63 | 50, 63 | 50, 63 | 50, 63 | |
Rated short circuit duration s | 3 | 3 | 3 | 3 | |
Rated short-time power frequency withstand voltage (RMS) kV | to earth | 460 | 510 | 520 | 740 |
across isolating point | 460+145 | 510+210 | 610 | 740+315 | |
Rated lightning impulse withstand voltage (peak) kV | to earth | 1050 | 1175 | 1425 | 1675 |
across isolating point | 1050+200 | 1175+295 | 1425+240 | 1675+450 | |
Rated operation impulse withstand voltage(peak) kV | to earth | none | 950 | 1050 | 1300 |
across isolating point | none | 850+295 | 900+345 | 1175+450 | |
open and close busbar for current transfer | open and close current A | 2500 | |||
transfer voltage V | 427 | ||||
open and close times | 100 | ||||
open and close low current | capacitance current A | 2 | |||
inductance current A | 1 | ||||
Radio interference level | less than 500 μv | ||||
Mechanical life | 3000 | ||||
rated terminal static mechanic load N | longitudinal level | 2000 | 2500 | 4000 | 4000 |
Horizontal level | 1500 | 2000 | 2000 | 2000 | |
Vertical force | 1250 | 1500 | 2000 | 2000 | |
rated contact area mm | Longitudinal displacement | 500 | 500 | 600 | 600 |
horizontal displacement | 500 | 500 | 600 | 600 | |
Vertical displacement | 450 | 450 | 500 | 500 | |
All applied in an altitude of 2000m |
- Q: What are the two power distribution equipment?
- Such as generator, transformer, circuit breaker, isolating switch, bus, power cable and transmission lines, etc..
- 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: What is the difference between power supply and distribution
- Power supply and distribution is part of the use of general by the Architectural Design Institute of electrical professional
- 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: Distribution system equipment classification
- Electronic equipment - named meaning, is mainly composed of electronic components
- Q: High and low voltage distribution equipment
- Distribution equipment refers to a variety of power plants, substations and factories and enterprises in the low-voltage power distribution system for power, distribution and lighting of the complete sets of equipment.
- 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: Rural high voltage transmission line equipment ownership
- You do not want to what the transformer behind the high-voltage line,
- Q: Difference between distribution voltage and supply voltage
- A distribution within the cell, the high voltage side is 10KV, the low voltage side is 220V or 380V.
- Q: Power distribution equipment should be prepared before the blackout?
- The actual operation, one man operation, another voice.
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Centre Rotating Double Break isolating switch
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 400 unit/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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