1. Shunt motor
  2. Series motor
  3. Differentially compounded motor
  4. Cumulatively compounded motor
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Option 3 : Differentially compounded motor

If the two winding i.e. series and shunt are wounded in such a way that the fluxes produced always try to oppose and cancel each other, then this connection is called Differentially compounding.

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It is clearly visible from the above characteristics that in differentially compounded motor that when load increases speed also increases.
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