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DOK-MOTOR*-MSK*EXGIIK3-PR09-EN-P
Synchronous Servomotors MSK For Potentially Explosive Areas
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. 5-1:
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. 5-2:
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
33/175
Technical data
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