There are some advantages of DC tachogenerator which are given below.
- The DC tachogenerator has linear charactristic.
- In DC tachogenerator, temperature compensation is easily achived.
- It does not have zero speed error.
- It is capable to generate high voltage in small size.
There are some disadvantages of DC tachogenerator which are given below.
- In DC tachogenerator more torque is required.
- It has small ripples appear at output.
- The wear and tear brushes at high speed.
- Aging of permanent magnet.
DC tachogenerator