steel midrex dri unit main compressors & fan client ...€¦ · weather protected (wpi, wpii)...

Steel Midrex DRI Unit Main Compressors & Fan Client: KOBELCO-JAPAN

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

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

Zone 1

Zone 2

Other brand

Power 1200HP

Pole 2

Frame 5812Z

Voltage 11000

Cooling Method IC01, WPII

Application Chiller

Insulation life (hour)

Insulation

class

Total

temperature

Temperature

RiseLife

F 155°CF ( > 80°C) 20000

B ( ≤ 80°C) 103000

Reduce temperature rise as much as

possible

Increase efficiency

with same power factor

Increase starting

performance (torque)

°

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--

Power 1000HP

Pole 2

Frame 5014

Voltage 11000

Cooling Method IC81W

Application Chiller

Qty. 50

Power 1000HP

Pole 2

Voltage 11000

Cooling

Method

IC81W

Application Compressor

×

Power (HP) 1100

Voltage (V) 380

Pole 2

F# 400C

S.F. 1.05

Amp. 1450

Original LV Motor

Power (HP) 1200

Voltage (V) 11000

Pole 2

F# 500B

S.F. 1.1

IP23, IC01