Week 3 Session 7
Compare the different motors used in EV and list down the advantages and disadvantages of each.
The different motor used in the EV are as below:-
DC Brushed motor,
Brush less DC Motor,
PMSM
Induction Motor,
Synchronous Motor,
Switch Reluctance Motor.
Comparision:-
| Parameter | Brushed Motor | BLDC Motor | PMSM | Induction Motor |
| Brush |
Present |
Absent | Absent | Absent |
| Commutator | Present | Absent | Absent | Absent |
| Efficiency | Low | Good | Good | Better |
| Cost | Low | High | High |
Cheaper |
DC Brushed motor,
Advantages:-
1. Cost is less.
2. higher torque at low speed
Disadvantage:-
1.Less efficiency
2. Higher maintainance
Brush less DC Motor:-
Advantages:-
1. NO copper loss
2. more relaible
Disadvantage
1. Complex circuit for producing torque
2. High cost
PMSM:-
Advantages
1. No copper loss
2. More relaible
Disadvantage
1. High cost
2. Not self starting
Induction Motor:-
Advantages
1. Less cost
2.self starting
Disadvantage
1. core loss
2. Iron loss
Switch Reluctance Motor:-
Advantages
1. Self starting
2. Higher efficiency
Disadvantage
1. Noisy
2. Complex and control design