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Ningbo Ville Electric Co., Ltd.

Switchgear, Metal-Clad Switchgear, Switch manufacturer / supplier in China, offering Switchgear; AC Hv Gas Insulation Metal-Clad Switchgear (DXG-12), 1.6mva S11 Series 35kv Power Transformer with on Load Tap Changer, Lb6-110 Type Current Transformer CT and so on.

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Supplier Homepage Product HV Switchgear Low Voltage Switchgear Switchgear; AC Hv Gas Insulation Metal-Clad Switchgear (DXG-12)

Switchgear; AC Hv Gas Insulation Metal-Clad Switchgear (DXG-12)

FOB Price: US $20,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $20,000/ Piece
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Production Capacity: 50, 000 set/year
Transport Package: wooden case or as per requirement
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: DXG-12 GIS
  • Structure: Fixed Board
  • Form: Partly-welded Type
  • Size: 3 Uint
  • Shell Material: Aluminum Alloy
  • Brand: Ville
  • Specification: ISO 9001: 2000
  • HS Code: 85
  • Type: Distribution Metering Box
  • Certification: ISO9001:2000, CCC
  • Operation Voltage: High Voltage
  • Application Range: Power Plants
  • Shell Protection Grade: IP55
  • Trademark: VILLE
  • Origin: China
Product Description
Switchgear AC Hv Gas Insulation Metal-Clad Switchgear (DXG-12)

GIS General:


DXG-12 Indoor AC HV Gas Insulation Switchgear (hereafter referred to as "GIS") is a new generation of switchgear. The main switchgear can adopt vacuum circuit breaker of permanent magnet mechanism or vacuum circuit breaker of spring mechanism. It adopts air insulation and SF6 compartments, which makes the space inside the GIS is not only compact, but enough to enlarge. It is suitable for power distribution automation. The GIS is featured by compact structure, flexible operation and reliable interlock etc. It is suitable for varieties of places (especially for bad condition) and it provides different request of customers with different technical scheme. It satisfies the customer's requirement with sensor technical performance, the latest protection relay in addition to advanced technical performance and flexible and light assembly scheme. It is widely used in miniature secondary substation, switching station, combined substation, residential area, industrial and mining business and malls, especially suitable for airport, underground and railway and other places where electricity power is in need largely.

Service ambient conditions:

A. Air temperature: Max: +40º C, Min: -25 º C(average value<= 35 º C within 24 hours)
B. Altitude: <= 3000m (if exceed 3000m, please negotiate with the manufacturer)
C. Air humidity: Daily average relative humidity <= 95%, monthly average relative humidity <= 90%;
D. The range of induction electromagnetic interference in secondary system <=1.6kV.

Product feature:
A. Structure:
The compartments of GIS use 3-5mm corrosion resistance plates, which are firstly processed by digit-controlled lathe and then welded by welding robot, with the advantage of less amount of deformation, good seal. Other compartments are made of high quality cold rolled sheets, which firstly bent and then welded, with the characteristics of high accuracy and intensity. The functional units are separate module, so it is convenient for assembly. Besides the sealed compartments in the GIS have separate pressure release passages, which ensure the safety of the personnel and equipments.
B. Standards:
The universal technical requirements of GB11022-1999 HV Switchgear and control equipment standards GB/3906-1991 3-35 kV AC Metal-clad Switchgear.
C. Protection degree:
IP 67 of gas insulating compartments, IP4X of LV switchgear.

Ordering notice:
Please provide the following materials while ordering:
A. Primary wiring scheme and single busbar system diagram
B. Secondary control principle diagram or wiring diagram terminal pareto diagram
C Layout plan of switchgear.
D. Detailed type, specification, quantity of electric components inside the switchgear.
E. If without any request for the material and specification of busbar from customers, they will come up with manufacturer'requirement.
F. If the switchgear is used in special environmental condition, it should be marked while ordering.
G. Wiring scheme of major loop.
H. The principle diagram of auxiliary circuit and control circuit of GIS and other written materials requested.

Technical parameters:
Item 
 
Description
 
 
 
Unit 
 
Value 
 
1
 
Rated Value 
 
 
 
kV
 
12
 
2
 
Rated Current
 
Primary Busbar
 
A
 
630 1250
 
Branch Busbar 
 
5-1250
 
3
 
Rated Frequency 
 
 
 
Hz
 
50
 
4
 
Rated Power Frequency Withstand Voltage 
(1min)
 
Phase to Phase, Phase to EarthkV
 
42
 
Insulating Distance 
 
49
 
5
 
Rated Impulse Withstand VoltagePhase to Phase, Phase to Earth
 
75
 
Insulating Distance 

 
85
 
6
 
Rated Short-time Breaking Current 
 
 
 
kA
 
20 25 31.5
 
7
 
Rated Short-time Withstand Current
(4s)
 
 
kA
 
20 25 31.5
 
8
 
Rated  Peak Withstand Current 
 
 
 
kA
 
50 63 80
 
9
 
Rated Short-time Making Current 
 
 
 
kA
 
50 63 80
 
10
 
Protection Level
 
 
 
 
 
Tank filled with gas: IP67, LV Tank: IP4X
 
11
 
Dimension
 
 
 
mm
 
500x1000x1850
 
12
 
Mechanical EndurancePermanent Magnet Circuit Breaker
 
Times 
 
20000
 
Insulating Switch5000
 
13
 
SF6 Rated Pressure
(20C gauge pressure )
Mpa
 
0.04
 
14
 
SF6 Min Pressure(20C gauge pressure )Mpa
 
0.03
 
15
 
SF6 Annual gas loss rate 
 
%
 
≤ 1
 

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Switchgear; AC Hv Gas Insulation Metal-Clad Switchgear (DXG-12)

 
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