Second quadrant chopper/Regenerative braking chopper/Dynamic braking in chopper
In this video, the following topics are covered.
1. Operation of chopper in second quadrant
2. How regenerative braking is achieved in chopper?
3. Derivation for average output voltage
4. Speed torque relation
5. How to achieve dynamic braking in 2nd quadrant chopper
6. How to calculate the equivalent load resistance
Regenerative braking chopper.
Dc motor works as a generator- fed the energy back to the supply.
Average voltage depends on the duty cycle of the switch.
Dynamic braking in chopper
Remove the power supply
Connect the armature across a braking resistor.
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