Page 1
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 17-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 75018ET3G588/9-W22
List Price : $74,025
Notes:
Performed by: Checked:
W22 NEMA Premium - Ball Bearings
Page 2
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 588/9T
Output : 750 HP
Frequency : 60 Hz
Poles : 4
Full load speed : 1790
Slip : 0.56 %
Voltage : 460 V
Rated current : 840 A
Locked rotor current : 5880 A
Locked rotor current (Il/In) : 7.0
No-load current : 320 A
Full load torque : 2171 lb.ft
Locked rotor torque : 240 %
Breakdown torque : 250 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 29 s (hot)
Service factor : 1.00
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 4952 lb
Moment of inertia : 346.86 sq.ft.lb
Noise level : 81 dB(A)
W22 NEMA Premium - Ball Bearings
No.:
Date: 17-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6322 C3 6319 C3 100% 0.85 96.7
Regreasing interval 6000 h 8000 h 75% 0.80 96.6
Grease amount 60 g 45 g 50% 0.70 96.3
Notes:
Performed by Checked
Page 3
PERFORMANCE CURVES RELATED TO RATED OUTPUT
Three-phase induction motor - Squirrel cage rotor
100
1.0 0.0
90
0.9
80
0.8
70
0.7
60
0.6
50
0.5
40
0.4
A - Efficiency (%)
B - Power factor
0 10 20 30 40 50 60 70 80 90 100 110 120 130
C
A
B
D
Percent of rated output (%)
No.:
Date: 17-DEC-2012
C - Slip D - Current at 460V (A)
1.0
2.0
3.0
4.0
5.0
4000
3000
2000
1000
0
Customer :
Product line :
Frame : 588/9T
Output : 750 HP
Frequency : 60 Hz
Full load speed : 1790
Voltage : 460 V
Rated current : 840 A
Insulation class : F
Notes:
W22 NEMA Premium - Ball Bearings
Locked rotor current (Il/In) : 7.0
Duty cycle : S1
Service factor : 1.00
Design : B
Locked rotor torque : 240 %
Breakdown torque : 250 %
Performed by Checked
Page 4
5.0
CHARACTERISTIC CURVES RELATED TO SPEED
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 17-DEC-2012
10.0
B - Current related to rated current (I/In)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
A - Torque related to rated torque (C/Cn)
Customer :
Product line :
0 10 20 30 40 50 60 70 80 90 100
B
Speed related to rated speed (%)
W22 NEMA Premium - Ball Bearings
9.0
8.0
7.0
6.0
A
5.0
4.0
3.0
2.0
1.0
0.0
Frame : 588/9T
Output : 750 HP
Frequency : 60 Hz
Full load speed : 1790
Voltage : 460 V
Rated current : 840 A
Insulation class : F
Notes:
Performed by Checked
Locked rotor current (Il/In) : 7.0
Duty cycle : S1
Service factor : 1.00
Design : B
Locked rotor torque : 240 %
Breakdown torque : 250 %
Page 5
1 2 3 4 5 6 7 8
A
B
C
D
E
F
2E
23.000
2F
28.000/32.000
N-W
11.625
D
14.500
HF
26.182
C
69.381
d2
DUNC 3/4"-10
BF
0.828
J
5.512
K
13.030
ES
8.661
G
2.492
HG
33.346
LL
18.110
Flange
FD-762
BB
0.250
A
29.528
B
37.980
S
1.000
HB
6.063
HH
13.386
LM
21.456
AJ
30.000
P
28.977
BA
10.000
R
3.312
O
28.985
HK
11.417
AA
2XNPT 4"
AK
28.000
AB
27.600
U
3.875
depth
1.000
T
6.361
H
1.181
d1
DUNC 7/8"-9
BD
32.000
Notes:
Performed by:
Checked:
Customer:
W22 NEMA Premium - Ball Bearings
17-DEC-2012Three-phase induction motor
Frame 588/9T - IP55
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