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ZF10-145(L)/T3150-40 Gas Insulated Switchgear

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  1 Overview
ZF10-145(L) Gas Insulated Metal-Enclosed Switchgear (hereinafter referred as GIS) is applicable for the electrical system with features of three phases AC, 50HZ, and rated voltage of 145kV.
The GIS meets the relative requirements of national standard - GB7674-2008 and international standard IEC60517-1990. All the components inside the GIS conform to the corresponding national standard.
The three-phase main busbars of GIS share one common enclosure, while all the other compo-nents are separated in three different compartment.
As per difference of secondary control type, GIS could be intelligentized GIS with digital control technology and typical GIS with routine control and supervising technology.
2 Service and Installation Conditions
Ambient temperature: -15℃~+40℃(indoor)/-35℃~+40℃(outdoor)
Altitude: 1000m (No limitation for special order)
  Relative humidity at average per day (25℃): ≤95%
  Relative humidity at average per month: ≤90%
Wind speed: ≤35m/s (wind pressure ≤700Pa)
Sunshine intensity:  0.1w/cm2 (at wind velocity of 0.5m/s)
Icing thickness: 10mm
Seismic intensity:
Horizontal acceleration: ≤0.4g
Vertical acceleration:  ≤0.2g
Symmetrical Creepage distance:  25mm/kV (pollution class III), 31mm/kV (class IV)
Keep the breaker away from places with combustible, explosive, corrosive materials and violent vibrations.

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