Specifications

H7
GE Limitamp
®
Medium Voltage Motor Control
Application Data
H
Estimated Typical Kw Ratings Of Exciters For 60-Hertz Synchronous Motors
When synchronous motors have individual exciters, the kilowatt ratings in Table H.7 represent typical kilowatt ratings for
such exciters.
Table H.9 Exciter ratings for synchronous motors, 60 Hz, 1.0 power factor
Exciter Ratings, kW
HP RPM 1800 1200 900 720 600 514 450 400 360 300 240 200 180
200 2.0 3.0 3.0 3.0 4.5 4.5 4.5 4.5 4.5 6.5 6.5 6.5 6.5
250 2.0 3.0 3.0 4.5 4.5 4.5 4.5 6.5 6.5 6.5 6.5 9.0 9.0
300 2.0 3.0 4.5 4.5 4.5 4.5 6.5 6.5 6.5 6.5 9.0 9.0 9.0
350 3.0 3.0 4.5 4.5 4.5 6.5 6.5 6.5 6.5 6.5 9.0 9.0 9.0
400 3.0 3.0 4.5 4.5 6.5 6.5 6.5 6.5 6.5 9.0 9.0 9.0 13
450 3.0 4.5 4.5 4.5 6.5 6.5 6.5 9.0 9.0 9.0 9.0 13 13
500 3.0 4.5 4.5 4.5 6.5 6.5 6.5 9.0 9.0 9.0 9.0 13 13
600 3.0 4.5 6.5 6.5 6.5 6.5 9.0 9.0 9.0 9.0 13 13 13
700 4.5 4.5 6.5 6.5 6.5 9.0 9.0 9.0 9.0 13 13 13 13
800 4.5 6.5 6.5 6.5 9.0 9.0 9.0 13 13 13 13 13 13
900 4.5 6.5 6.5 9.0 9.0 9.0 9.0 13 13 13 13 17 17
1000 4.5 6.5 9.0 9.0 9.0 9.0 12 13 13 13 13 17 17
1250 6.5 6.5 9.0 9.0 13 13 12 13 13 13 17 17 17
1500 6.5 9.0 9.0 13 13 13 12 17 17 17 17 21 21
1750 9.0 9.0 13 13 13 13 17 17 17 17 21 21 21
2000 9.0 13 13 13 13 17 17 17 17 21 21 21 25
2250 9.0 13 13 13 17 17 17 21 21 21 21 25 25
2500 13 13 13 17 17 17 21 21 21 21 25 25 25
3000 13 13 17 17 17 21 21 21 21 25 25 33 33
3500 13 17 17 21 21 21 25 25 25 25 33 33 33
4000 17 17 21 21 21 25 25 33 33 33 33 33 40
4500 17 21 21 21 25 25 33 33 33 33 33 40 40
5000 17 21 25 25 33 33 33 33 33 33 40 40 40
5500 21 25 25 25 33 33 33 33 33 33 40 40 40
6000 21 25 33 33 33 33 33 40 40 40 40 50 50
Exciter Ratings, kW
HP RPM 1800 1200 900 720 600 514 450 400 360 300 240 200 180
200 3.0 4.5 4.5 4.5 6.5 6.5 6.5 9.0 9.0 9.0 13 13 13
250 3.0 4.5 6.5 6.5 6.5 6.5 9.0 9.0 9.0 9.0 13 13 13
300 3.0 4.5 6.5 6.5 6.5 9.0 9.0 9.0 9.0 13 13 13 13
350 4.5 4.5 6.5 6.5 9.0 9.0 9.0 9.0 9.0 13 13 13 17
400 4.5 6.5 6.5 6.5 9.0 9.0 13 13 13 13 13 13 17
450 4.5 6.5 6.5 9.0 9.0 9.0 13 13 13 13 17 17 17
500 4.5 6.5 6.5 9.0 9.0 9.0 13 13 13 13 17 17 17
600 6.5 6.5 9.0 9.0 13 13 13 13 13 17 17 17 21
700 6.5 9.0 9.0 9.0 13 13 13 13 13 17 17 17 21
800 6.5 9.0 9.0 13 13 13 17 17 17 17 21 21 21
900 6.5 9.0 13 13 13 13 17 17 17 17 21 21 25
1000 9.0 9.0 13 13 13 17 17 17 17 21 21 21 25
1250 9.0 13 13 13 17 17 21 21 21 21 25 25 33
1500 13 13 17 17 17 17 21 21 21 25 25 25 33
1750 13 13 17 17 21 21 25 25 25 25 33 33 33
2000 13 17 17 21 21 21 25 25 25 33 33 33 40
2250 13 17 21 21 25 25 33 33 33 33 33 33 40
2500 17 17 21 21 25 25 33 33 33 33 40 40 40
3000 17 21 25 25 33 33 33 33 33 40 40 40 50
3500 21 25 25 33 33 33 40 40 40 40 50 50 50
4000 21 25 33 33 33 40 40 40 40 50 50 50 65
4500 25 33 33 33 40 40 50 50 50 50 50 50 65
5000 33 33 40 40 40 40 50 50 50 50 65 65 65
5500 33 33 40 40 50 50 50 50 50 65 65 65 65
6000 33 40 40 50 50 50 65 65 65 65 65 65 85
Table H.10 Exciter ratings for synchronous motors, 60 Hz, 0.8 power factor