Beijing Qingchang power Technology Co.,Ltd
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C-GIS
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24kV Eco Friendly Gas Insulated Metal Enclosed Switchgear C-GIS

24kV Eco Friendly Gas Insulated Metal Enclosed Switchgear C-GIS

Brand Name: Qingchang
Detail Information
Place of Origin:
China
Insulation Method:
Gas Insulated
Voltage Level:
24kV
Highlight:

24kV enclosed electrical switchgear

,

C-GIS enclosed electrical switchgear

,

IP67 metal enclosed interrupter switchgear

Product Description

Typical primary plan

 

An optional solution with a rated short-time breaking current of 1250A and a rated current of 25kA:

24kV Eco Friendly Gas Insulated Metal Enclosed Switchgear C-GIS 0

An optional solution with a rated short-time breaking current of 1250A and a rated current of 31.5kA:

24kV Eco Friendly Gas Insulated Metal Enclosed Switchgear C-GIS 0

An optional solution with a rated short-time breaking current of 2500A and a rated current of 31.5kA:

24kV Eco Friendly Gas Insulated Metal Enclosed Switchgear C-GIS 2

An optional solution with a rated short-time breaking current of 3150A and a rated current of 40kA:

24kV Eco Friendly Gas Insulated Metal Enclosed Switchgear C-GIS 2

 

Rated Parameters

 

 

S/N Item Unit Parameter
1 Rated voltage kV 24
2 Rated current A 630,1250,2500,3150,4000
3 Rated frequency Hz 50/60
4 Rated power
frequency withstand
voltage(1min)
Phase-to-phase and
Phase-to-earth
kV 65
Across isolating distance kV 79
5 Rated lightning
impulse voltage
(1.2/50ms)
Phase-to-phase and
Phase-to-earth
kV 125
Across isolating distance kV 145
6 Main circuit temperature rise A 1.1*Ir
7 Rated short-time breaking current kA 25,31.5,40
8 Rated short-circuit closing current kA 63,80,100
9 Rated short circuit duration s 4
10 Rated short-time withstand current kA 25,31.5,40
11 Rated peak withstand current kA 63,80,100
12 Electrical life rating / E2
13 Dryair Rated pressure(20) MPa 0.07
14 Annual gas leakage rate % ≤0.01
15 Gas tank protection degree / IP67
16 Shell protection degree / IP4X
17 Mechanical life of circuit breakers times 10000
18 Mechanical life of the disconnecting switch times 3000
19 Grounding switch mechanical life times 3000

 

 

 

Product Overview

 

The QCX E environmentally friendly gas-insulated metal-enclosed switchgear (C-GIS) is an environmentally friendly C-GIS product independently developed by Beijing Qingchang. The design adheres to environmentally friendly and green concepts, using dry air as the insulating gas. The voltage rating covers 10-35 kV, with currents ranging from 630 to 3150 A, and a rated breaking current of 25–40 kA. The equipment offers extremely high safety and reliability, ensuring the continuous and stable operation of power systems and the personal safety of operators. It also features a user-friendly interface, making it easy for on-site operators to use.
The QCX E-series switchgear adopts modern and innovative switchgear design concepts, with multiple functional modules available for selection. Commonly used functional modules include V, V-PT, V-G bus tie, and M metering, among others. Other modules can be customised according to the requirements of the primary system diagram when needed. These functional modules can be installed on-site.

 

 

Product Features

 

Flexible Combination

This product is designed with eco-friendly gas/SF6  universal solution, safe and reliable, meeting market demand.

 

Maintenance Free

The high-voltage conductor is completely sealed, with incoming and outgoing lines through insulating bushings, maintenance-free for the life cycle.

 

Miniaturization

Compact structure, reducing the footprint by about half compared to traditional switchgear.

 

Wide Application

It can be used in high-altitude and humid coastal areas.