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Product Introduction
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25.8kV Gas Insulated Switchgear with single bus, developed with our continuous research and development, will be provided to domestic and international markets
- All the units of SF6 Gas Insulated Switchgear(GIS) from our company are equipped in a
grounded metal pressure vessel featuring the highest performance, high availability for real
systems and detachable single pole metal-enclosed , and its main circuit is insulated by an
inactive gas, SF6 having no color, taste, odor and toxicant.
Characteristic
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High Reliability
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All the components sealed with SF6 gas guarantees no deterioration and semi-permanent high performance |
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Safety
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Active units built in the grounded metal case ensures the safety of workers during operation and maintenance |
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Convenient Maintenance
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Due to no deterioration at the components surrounded by SF6 gas, long term based maintenance is enough to ensure the compatibility for the product maintenance. |
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Reduced Installation Area
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The effective installation area, enabled by reducing the width of unit circuit which determines the installation area. |
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Reduced Plan and deployment time
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Reduced planning, manufacturing and delivery time, enabled by a combination of standard components |
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Environment- friendly combination
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Superior modern environment-friendly combination featuring its tidy figure, low noise, minimized induction fault. |
Specification
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Rated voltage
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kV
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24/25.8 |
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Proper frequency
|
Hz |
60 |
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POWER FREQUENCY
WITHSTAND VOLTAGE between the charging unit
and earth and between disconnectors
|
kV,rms |
50
60 |
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LIGHTING & SWITCHING IMPULSE WITHSTAND
VOLTAGE between the charging unit and earth and between disconnectors.
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kV,crest |
125(150bic)
145(175bic) |
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Rated current
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A,rms |
600,1200,2000,
2500,3000
※ |
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Rated short time current
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kV,rms |
25 |
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Operating type
Breaker
Three step switchgear(Disconnector, Grounding
switchgear)
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Electric/Manual Electric/Manual |
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Guaranteed times
100% cut-off current
Rated current
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times
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100
10000 |
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Rated cut-off time
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Cycle |
3/5 |
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Standard operating responsibility
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0-0.3Sec-CO-3Min-CO |
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Rated gas pressure
Gas pressure guaranteeing stable performance
Gas leakage rate
Design pressure in gas vessel
Operating pressure of safety device in room
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Bar.G,20 °C
Bar.G,20 °C
% /Year
Bar.G |
0.5/1.0
0.3/0.8
less than1
0.9/1.4
3.8 |
※ To order higher spec. than above, contact our company
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