Steel Midrex DRI Unit Main Compressors & Fan Client ...€¦ · Weather Protected (WPI, WPII)...
Transcript of Steel Midrex DRI Unit Main Compressors & Fan Client ...€¦ · Weather Protected (WPI, WPII)...
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Steel Midrex DRI Unit Main Compressors & Fan Client: KOBELCO-JAPAN
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We work directly with OEM’s & EPC companies for key projects around the world.
Our approach is co-ordinated with key stake holders from our local teams and
global factories.
We always strive to understand our clients needs and requirements to enable us to
put forward the best solution on time.
These jobs are then handled with our experienced project management team for
order execution process.
SteelIndustry
Power Plant
Water Industry
Oil & Gas
Industry
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TECO-Westinghouse Other motor supplier
Westinghouse design frame Compact size
Westinghouse Cooling ODP-WPI
Lower winding temperature Higher winding temperature
Operating continuously last 10
years without any problem
Trip caused by high temperature &
Destruction coil & event failure
Compact frame size
Inappropriate heat
exchange
Increase temperature more than allowable
range
Winding insulation damage
RewindingDecrease efficiency
Unsuitable Cooling System
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Zone 1
Zone 2
Other brand
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Power 1200HP
Pole 2
Frame 5812Z
Voltage 11000
Cooling Method IC01, WPII
Application Chiller
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Insulation life (hour)
Insulation
class
Total
temperature
Temperature
RiseLife
F 155°CF ( > 80°C) 20000
B ( ≤ 80°C) 103000
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Reduce temperature rise as much as
possible
Increase efficiency
with same power factor
Increase starting
performance (torque)
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°
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Weather Protected (WPI, WPII)Totally Enclosed
IP55
Suitable for indoor installationSuitable for both outdoor indoor
installation
Cooling air flows inside motor directly
from the outside using fan
The air inside the motor recirculates
and is cooled by heat transfer through
the frame.
Water dripping at up to a 15 degree
angle from vertical will not enter the
motor
Water projected by a nozzle against
the enclosure from any direction shall
have no harmful effect.
Dust ingress easily to the motor frameProtection against harmful deposits of
dust.
Winding must be double impregnated
to protect insulation against dust--
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Power 1000HP
Pole 2
Frame 5014
Voltage 11000
Cooling Method IC81W
Application Chiller
Qty. 50
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Power 1000HP
Pole 2
Voltage 11000
Cooling
Method
IC81W
Application Compressor
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×
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Power (HP) 1100
Voltage (V) 380
Pole 2
F# 400C
S.F. 1.05
Amp. 1450
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Original LV Motor
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Power (HP) 1200
Voltage (V) 11000
Pole 2
F# 500B
S.F. 1.1
IP23, IC01
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