GE AF-650 GP - Frequency Converter and Motor Application Issues; Torque, Current Limit, and Motor Stability

Mains Supply 3 x 380 - 480 VAC
AF-650 GP 600 HP 650 HP 750 HP 900 HP 1000 HP 1200 HP
Heavy Duty/Light Duty* HD
LD HD LD HD LD HD LD HD LD HD LD
Typical Shaft output at
400 V [kW]
450 500 500 560 560 630 630 710 710 800 800 1000
Typical Shaft output at
460 V [HP]
600 650 650 750 750 900 900 1000 1000 1200 1200 1350
Typical Shaft output at
480 V [kW]
530 560 560 630 630 710 710 800 800 1000 1000 1100
IP21/Nema 1 and
IP54/Nema 12 Drive
Types without/with
options cabinet
61/ 63 61/ 63 61/ 63 61/ 63 62/ 64 62/ 64
Output current
Continuous
(at 400 V) [A]
800 880 880 990 990 1120 1120 1260 1260 1460 1460 1720
Intermittent (60 sec
overload)
(at 400 V) [A]
1200 968 1320 1089 1485 1232 1680 1386 1890 1606 2190 1892
Continuous
(at 460/ 480 V) [A]
730 780 780 890 890 1050 1050 1160 1160 1380 1380 1530
Intermittent (60 sec
overload)
(at 460/ 480 V) [A]
1095 858 1170 979 1335 1155 1575 1276 1740 1518 2070 1683
Continuous KVA
(at 400 V) [KVA]
554 610 610 686 686 776 776 873 873 1012 1012 1192
Continuous KVA
(at 460 V) [KVA]
582 621 621 709 709 837 837 924 924 1100 1100 1219
Continuous KVA
(at 480 V) [KVA]
632 675 675 771 771 909 909 1005 1005 1195 1195 1325
Max. input current
Continuous
(at 400 V ) [A]
779 857 857 964 964 1090 1090 1227 1227 1422 1422 1675
Continuous (at 460/
480 V) [A]
711 759 759 867 867 1022 1022 1129 1129 1344 1344 1490
Max. cable size,motor
[mm
2
(AWG
2)
)]
8x150
(8x300 mcm)
12x150
(12x300 mcm)
Max. cable size,mains
F1/F2 [mm
2
(AWG
2)
)]
8x240
(8x500 mcm)
Max. cable size,mains
F3/F4 [mm
2
(AWG
2)
)]
8x456
(8x900 mcm)
Max. cable size, load-
sharing [mm
2
(AWG
2)
)]
4x120
(4x250 mcm)
Max. cable size, brake
[mm
2
(AWG
2)
)
4x185
(4x350 mcm)
6x185
(6x350 mcm)
Max. external mains
fuses [A]
1
1600 2000 2500
Estimated power loss
at 400 V [W]
4)
9492 10647 10631 12338 11263 13201 13172 15436 14967 18084 16392 20358
Estimated power loss
at 460 V [W]
8730 9414 9398 11006 10063 12353 12332 14041 13819 17137 15577 17752
F3/F4 max. added los-
ses A1 RFI, CB or Dis-
connect, & contactor
F3 & F4
893 963 951 1054 978 1093 1092 1230 2067 2280 2236 2541
Max. panel options
losses
400
Weight,
Unit Size IP21, IP 54
[kg]
1004/ 1299 1004/ 1299 1004/ 1299 1004/ 1299 1246/ 1541 1246/ 1541
Weight Rectifier Mod-
ule [kg]
102 102 102 102 136 136
Weight Inverter Mod-
ule [kg]
102 102 102 136 102 102
Efficiency
4)
0.98
Output frequency 0-600 Hz
Heatsink overtemp.
trip
95 °C
Power card ambient
trip
68 °C
* Heavy Duty = 160% torque during 60 s, Light Duty = 110% torque during 60 s
AF-650 GP Design Guide
60
4