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MBT High Synchronous Torque Motors
10.4
Determining the drive power
10.4.1
General
10.4.2
Continuous power
ED
Possible relative duty cycle in %
real
P
Maximum heat dissipation of the motor in W (for continuous
vN
power loss see chapter 4 "Technical data").
P
Average motor power loss in application over a duty cycle time
AVG a
including idle time in W
Fig. 10-17:
Determining the duty cycle ED
Prerequisites: Duty cycle time ≤ Thermal time constant of motor
Fig. 10-18:
Duty cycle via force for synchronous torque motors MBT
To size the power supply module or the mains rating, you must determine the
rated (continuous) and maximum power of the rotary drive.
Take the corresponding simultaneity factor into account when de‐
termine the total power of several drives that are connected to a
single power supply module.
The continuous power corresponds to the sum of the mechanical and electri‐
cal motor power.
Motor dimensioning
R911298798_Edition 08 Bosch Rexroth AG
297/409
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