Bosch Rexroth MSK030B-0900-NN Project Planning Manual page 27

DOK-MOTOR*-MSK********-PR12-EN-P
Synchronous Servomotors MSK
Duty cycle
P Load
PV electrical losses
Θ Temperature
Θmax maximum temperature (motor housing)
t Time
TC Cycle duration
ΔtP Operating time under constant load
ΔtV Idle time
Fig. 4-1: Operation modes according to EN 60034-1 :1998
Operation mode S3 is specified along with the duty cycle (DC) %. The duty
cycle is calculated:
ED relative duty cycle in %
ΔtP Operating time under constant load
Fig. 4-2: Relative duty cycle
The values specified in the documentation are determined on the basis of the
following values:
Cycle duration: 10 min
Duty cycle DC: 25%
Bosch Rexroth AG 25/279
Technical data