Bosch Rexroth EFC 3600 Operating Instructions Manual page 79

DOK-RCON03-EFC-3600***-IT01-EN-P
Rexroth Frequency Converter EFC 3600
Used to compensate the speed difference caused by the load in V/F control, and to en‐
sure that the rotator's speed is close to the synchronous speed and improve the me‐
chanical behavior of the motor, as shown in the figure below:
Fig.8-14: Slip frequency compensation
This parameter should be set according to the data on the motor nameplate. If it is un‐
available on the nameplate, please calculate the data with the formular below:
n synchronous speed
s
S rated slip
f rated slip frequency
s
Fig.8-15: Slip frequency calculation
● If the slip frequency compensation is too large, the motor speed may
exceed the synchronous speed.
● Slip compensation will not work under circumstances of acceleration,
deceleration, regenerative mode and DC braking.
S0.21 Voltage boost
Setting range 0.0 % ~ 20.0 % (Rated motor voltage)
Minimum unit 0.1 %
Factory default 5.0 %
P numbers of pole pairs
n rated speed
n
f rated frequency
n
Bosch Rexroth AG
Parameter Settings
77/235