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High Power range:
The power sizes below at the appropriate mains voltages
comply with the requirements of IEC 60034-17 regarding
normal motors controlled by frequency converters, IEC
60034-25 regarding motors designed to be controlled by
frequency converters, and NEMA MG 1-1998 Part 31.4.4.2
for inverter fed motors. The power sizes below do not
comply with NEMA MG 1-1998 Part 30.2.2.8 for general
purpose motors.
90 - 200 kW / 380-500V
Cable
length [m]
Mains
voltage
[V]
Rise time [
µ
s]
Peak
voltage [V]
du/dt [V/
µ
s]
30 metres
400
0.34
1040
2447
250 - 800 kW / 380-500V
Cable
length [m]
Mains
voltage
[V]
Rise time [
µ
s]
Peak
voltage [V]
du/dt [V/
µ
s]
30
500
0.71
1165
1389
30
500
1)
0.80
906
904
30
400
0.61
942
1233
30
400
1)
0.82
760
743
1) With Danfoss du/dt filter
90 - 315 kW/ 525-690V
Cable
length [m]
Mains
voltage [V] Rise time [
µ
s]
Peak
voltage [V] du/dt [V/
µ
s]
30
690
0.38
1573
3309
30
690
1)
1.72
1329
640
30
575
0.23
1314
2750
30
575
2)
0.72
1061
857
1) With Danfoss du/dt filter
2) With du/dt filter
355 - 1200 kW / 525-690V
Cable
length [m]
Mains
voltage [V] Rise time [
µ
s]
Peak
voltage [V] du/dt [V/
µ
s]
30
690
0.57
1611
2261
30
575
0.25
2510
30
690
1)
1.13
1629
1150
1) With Danfoss du/dt filter.
FC 300 Selection
FC 300 Design Guide
MG.33.BD.02 - VLT
®
is a registered Danfoss trademark
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