IG-305-EN version 01; 07/04/2020
8
General description
General Instructions
Outdoor cubicles:
cgmcosmos
,
cgm
.3 and
cgm
.800 systems
1.5. Operating conditions
Installation
Outdoor
Maximum ambient temperature
+ 40 °C
Minimum ambient temperature
- 5 °C /- 30 °C
(b)
Maximum mean ambient temperature, measured over a 24-hour period
+ 35 °C
Maximum mean relative humidity, measured over a 24-hour period
< 95 %
Maximum mean relative humidity, measured over a 1-month period
< 90 %
Maximum mean vapour pressure, measured over a 24-hour period
2.2 kPa
Maximum mean vapour pressure, measured over a 1-month period
1.8 kPa
Maximum height
2000 m
Solar radiation
1000 W/m
2
*
Ambient air pollution (dust, smoke, corrosive and/or fl ammable gases, vapours or salt)
Medium**
Wind speed
34 m/s***
Vibrations due to causes external to the switchgear or to seismic movements
Insignifi cant
* For other values, please contact
Ormazabal
's Technical Department.
** In accordance with Standard IEC TS 60815-1:2008.
*** Doors closed.
Table 1.4.
Outdoor cubicle operating conditions
The specifi cations refer to the section
"Normal
service conditions for outdoor cubicles"
in Standard
IEC 62271-1, "Common specifi cations for high-voltage
cubicles".
For special service conditions: ambient temperature
above + 40 ºC, installation between 2000 and 4000
m above sea level, signifi cant pollution level, solar
radiation, or others diff erent to those described, check
with
Ormazabal
.
Summary of Contents for Ormazabal cgm.3
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