Stephens Equipment
has many years of experience with turnkey installations, providing systems
for enterprises such as; Hydro-Quebec, B.C. Hydro, New York Power and
various other utilities. We can provide complete turnkey installations
suitable for any application. Pictured below is a high-pressure air
system serving 62x 730Kv breakers at a North American power utility.
In response to this client's unique requirements, SEI designed & fabricated
a modular system, factory tested prior to site delivery. STEPHENS EQUIPMENT
has fabricated 50 similar custom designed & packaged systems.
Systems can be designed to handle
the following medias:
Characteristics
| 6 compressors:
50 Scfm (each) / 3600 Psig |
12 x 3600
Psig cylinders: 94,000 ft3 FAD |
| 3 high pressure
air dryers |
Modular design
for easy transport & installation |
| Air distribution
panel |
Designed
for fully autonomous operation |
| Pressure
sensing & reduction panel |
Capable of
operating to minus 30°F |
| Motor Control
Center |
Air dewpoint
of minus 112°F |
| LWH: 45'x25'x11',
92,000 lbs. |
Cylinder
Module LWH: 36'x9'x8', 90,000 lbs. |
 
High
Voltage Airblast Breakers
Critical applications
where quality, performance and reliability are essential. Stephens
Equipment designs and manufactures complete air blast circuit breaker
compressor systems and subsystems for this function.
Central
air systems
Turnkey systems encompassing two
or more industrial high-pressure compressors contained within a walk-in
enclosure. These systems are situated in a location accessible to
supply all the required breakers.
Special
features
-
Equipped with efficient inter and after coolers;
approach temperatures of 10°C
-
High pressure Air Dryers with an atmospheric dew
point of -80°C
-
MCC.s; fully automated systems using PLCs
-
High pressure storage vessels
-
Pressure reduction panels
-
Air Distribution panels
-
Thermostatically controlled heating and ventilation
Central air system installed at a major Canadian utility company.
1 of 40 supplied to this customer
since 1973.
Central
air system supplied to a major American utility company.
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