Advantages and disadvantages of DC tachogenerator

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

DC tachogenerator

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