Siemens SIRIUS 3RW52 - Page 132

Functions
8.1 Soft starting
SIRIUS 3RW52 Soft Starter
132 Equipment Manual, 04/2020, A5E35630451002A/RS-AE/005
Torque curve
཰
Torque with direct-on-line starting without 3RW52 soft starter
ཱ
Torque with short ramp up time
ི
Torque with long ramp up time
ཱི
Torque of the load
ུ
Acceleration torque = Difference of activation torque and torque of load
Current path
཰
Current characteristic with direct-on-line starting without 3RW52 soft starter
ཱ
Current characteristic with short ramp up time
ི
Current characteristic with long ramp up time
I
e
Rated operational current
n
e
Rated operating speed of the motor