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  • Calculating Stopping Time for Dynamic Braking on DC Drives
    DB WR2 = Total inertia including motor inertia and coupled load inertia (WR2 motor + WR2 load) R = DC motor armature circuit resistance and the resistance of the DB resistors (RArmature + RDB) 4320 = Conversion constant V = CEMF = [E (Applied armature volts) - IR] NOTE: Motor inertia can be found
  • Regenerative Power Units Save Energy
    be returned to the grid or quickly dissipated by a braking resistor. Otherwise, the dc bus will be overcharged and an over-voltage fault can occur. Dynamic braking resistors have been widely used to convert regenerated energy into heat loss because of simplicity and low installation cost, as illustrated
  • Don't Forget These Two Things When Selecting an Amplifier for a Servo-motion Application
    Using software to size motion designs is rewarding because engineers can efficiently predict which products are suitable for the application at hand. But key considerations (sometimes missed) when selecting a servo amplifier are those of dynamic braking and regenerative resistor braking.

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