Customization: | Available |
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Type: | 10kv/12kv/15kv |
Structure: | According to Customer Requirements |
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(H)GWBEB type outdoor high-voltage isolation switch, an essential component for modern power systems, is exquisitely crafted for operation on 10(12, 15, 24)kV high voltage power transmission and distribution lines. This sophisticated switch adeptly opens and closes single-phase or three-phase circuits without load, maintaining the presence of voltage for seamless and reliable operation.
The switch, purposefully engineered for single-phase utilization within three-phase line systems, boasts a robust and cost-effective design, ensuring simplicity and ease of use. It is available in a range of rated currents: 200, 400, 600, 800, 1000, and 1250 amps. This expertly designed switch consists of a sturdy base, durable post insulators, high-conductivity parts, and a precision-engineered mechanical section. The innovative gate knife structure facilitates efficient circuit operation, with each phase's gate knife featuring dual conductive blades complemented by external compression springs. By fine-tuning the spring height, optimal contact pressure is achieved for the switch's gate knife, ensuring secure operation. The switch operation is effortlessly conducted via an insulated hook stick, accompanied by a sophisticated self-locking mechanism for enhanced safety.
Working Environment:
Operates with an altitude not exceeding 1000 meters; ensuring versatility in deployment across a range of geographical areas.
Designed to function in an ambient temperature range: maximum ≤ +40°C; minimum ≥ -30°C; demonstrating remarkable adaptability to varied climatic conditions.
Built to withstand outdoor wind speeds up to 35 meters/second; ensuring resilience even in harsh weather situations.
Engineered to endure seismic intensity up to 8 degrees; ideal for installation in regions experiencing minimal seismic activity.
The installation site must remain free from gases, chemical deposits, salt mist, dust, dirt, or other explosive or corrosive mediums, which can severely impact the switch’s insulation and conductivity.
Note:
WHEN NORMAL USE CONDITIONS AS SPECIFIED ARE EXCEEDED, USERS ARE ENCOURAGED TO CONSULT WITH THE COMPANY TO DISCUSS CUSTOMIZED SOLUTIONS.
Installation, Use and Adjustment
Pre-installation work
Annually, conduct a thorough check of the following switch components to maintain optimal performance:
Meticulously clear dirt from conductive parts, contact surfaces, and the insulating porcelain bottle surfaces, ensuring pristine condition.
Examine all components for potential damage, placing special emphasis on inspecting the insulating porcelain bottle for any signs of cracks or damage.
Ensure that the contact surface of the conductive part maintains high integrity and performance standards.
The main technical parameters |
Table I |
|||||||||
Model |
Rated voltage |
Rated current |
kA |
10 seconds thermal stable current |
||||||
peak |
Valid values |
|||||||||
(H)GW
|
10 |
200 |
5 |
9 |
5 |
|||||
400 |
21 |
15 |
10 |
|||||||
600 |
35 |
25 |
14 |
|||||||
630 |
35 |
25 |
14 |
|||||||
800 |
35 |
25 |
14 |
|||||||
1000 |
50 |
35 |
20 |
|||||||
Contact force parameters |
Table II |
|||||||||
Model |
Rated current(A) |
contact pressure(kgf) |
||||||||
(H)GW |
5 |
9 |
||||||||
21 |
15 |
|||||||||
35 |
25 |
|||||||||
35 |
25 |
|||||||||
35 |
25 |
|||||||||
50 |
35 |