engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical Machines DC Motor DC Motor Braking
Which of the following is true about dynamic braking?
1
It uses an energy recovery which slows down a motor by converting kinetic energy into another form
2
The kinetic energy of the motor is wasted and an additional amount of energy is required to develop the torque in reverse direction
3
The energy stored in the rotating mass is dissipated in an electrical resistance
4
None of the above