Regen Resistor Sizing and Configuration Xenus XSL User Guide
154 Copley Controls Corp.
A.1: Sizing a Regen Resistor
A.1.1: Gather Required Information
Calculating the power and resistance of the regen resistor requires information about the amplifier
and the rotary or linear motor application.
A.1.1.1 For all applications, gather the following information:
1 Details of the complete motion profile, including times and velocities
2 Amplifier model number
3 Applied line voltage to the amplifier
4 Torque constant of the motor
5 Resistance (line-to-line) of the motor windings.
A.1.1.2 For rotary motor applications, gather this additional information:
1 Load inertia seen by the motor
2 Inertia of the motor.
A.1.1.3 For linear motor applications, gather this additional information:
1 Mass of the moving load
2 Mass of the motor forcer block if the motor rod is stationary
OR
Mass of the motor rod if the motor forcer block is stationary.
A.1.2: Observe the Properties of Each Deceleration During a Complete Cycle
of Operation
A.1.2.1 For each deceleration during the motion cycle, determine:
1 Speed at the start of the deceleration
2 Speed at the end of the deceleration
3 Time over which the deceleration takes place.
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