- A To generate electrical energy
- B To regulate voltage
- C To convert electrical energy into mechanical energy
- D To store energy for backup
Electric motors are devices that transform electrical energy into mechanical energy. They play a crucial role in power distribution systems by powering various machinery and equipment.
A DC shunt motor has its field winding and armature winding connected in parallel. This configuration offers consistent speed and effective speed regulation regardless of load changes.
Unlike traditional DC motors, BLDC motors employ a permanent magnet stator, eliminating the need for field windings or brushes for commutation.
Stepper motors move in discrete steps, making them suitable for applications requiring accurate control of rotation, such as robotics and automation.
Permanent Magnet DC Motors require less maintenance since they eliminate the need for field windings and brushes, common sources of wear and tear.
In a DC Series Motor, as the load increases, the speed of the motor decreases due to the characteristics of its torque-speed curve.
Cumulative Compound Motors have field windings connected in series, while Differential Compound Motors have field windings connected in parallel to the armature winding.
DC Series Motors offer high starting torque and the ability to achieve high speeds due to their torque-speed characteristics.
The electronic circuitry in a BLDC motor replaces brushes and commutator, allowing for more efficient and reliable operation.
Stepper Motors excel at providing accurate position control, making them a preferred choice for applications where precise positioning is essential.