Danfoss VLT AutomationDrive Design Manual page 94

FC 300 Selection
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
Mains
Cable voltage
length [m] [V] Rise time [µs]
30 metres 400 0.34
250 - 800 kW / 380-500V
Mains
Cable voltage
length [m] [V] Rise time [µs]
30 500 0.71
30 0.80
500 1)
30 400 0.61
30 0.82
400 1)
1) With Danfoss du/dt filter
90 - 315 kW/ 525-690V
Cable Mains
length [m] voltage [V] Rise time [µs]
30 690 0.38
30 1.72
690 1)
30 575 0.23
30 0.72
575 2)
1) With Danfoss du/dt filter
2) With du/dt filter
355 - 1200 kW / 525-690V
Cable Mains
length [m] voltage [V] Rise time [µs]
30 690 0.57
30 575 0.25
30 690 1) 1.13
1) With Danfoss du/dt filter.
FC 300 Design Guide
Peak
voltage [V] du/dt [V/µs]
1040 2447
Peak
voltage [V] du/dt [V/µs]
1165 1389
906 904
942 1233
760 743
Peak
voltage [V] du/dt [V/µs]
1573 3309
1329 640
1314 2750
1061 857
Peak
voltage [V] du/dt [V/µs]
1611 2261
2510
1629 1150
®
MG.33.BD.02 - VLT is a registered Danfoss trademark
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