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 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: AC distribution equipment including distribution box
- AC power distribution cabinet is used to distribute electricity, that is from the power transformer has three phase wires of a zero line of a ground load according to the following requirements to the distribution of electric energy
- Q: Transmission system and distribution system
- Distribution system is the power supply to the distribution load for the purpose of the general voltage level of not more than 10KV
- Q: What is the difference between power supply and distribution
- The two is the integration of power generation and power supply.
- Q: Are electric wires and cables belong to distribution equipment?
- Wire rod products for the transmission of electric (magnetic) energy, information and electromagnetic energy conversion.
- 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: Transmission lines are not electrical equipment?
- Transmission lines are not electrical equipment? The answer is: the device is a function of the assembly
- 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: 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?
- not only is the previous low, now from energy production to transportation to use to control a complete solution.
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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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