Grundfos SP - Page 18

18
English (US)
Fig. 13 Location of the sine-wave filter in the system
For further details, contact your VFD supplier or
Grundfos.
Maximum peak voltage and dU/dt for Grundfos submersible motors
Motor series Maximum U
peak
voltage Maximum dU/dt
MS 402 650 V phase-phase 2000 V/micro s.
MS 4000 850 V phase-phase 2000 V/micro s.
MS6 / MS 6000C 850 V phase-phase 2000 V/micro s.
MMS6 / MMS 6000 850 V phase-ground 500 V/micro s.
MMS 8000 850 V phase-ground 500 V/micro s.
MMS 10000 850 V phase-ground 500 V/micro s.
TM06 6056 0516
Sine-wave
filter
Motor
VFD
379 V or
greater
incoming
power
Cable length from VFD to motor
0 to 1500 ft (0 to 457 m)