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Why is the starting current high in a DC motor? Explain the working of a four-point...

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Electrical Engineering

Why is the starting current high in a DC motor? Explain theworking of a four-point starter for a DC machine.

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3.8 Ratings (428 Votes)
In a DC motor back EMF will not be generated in the armature atthe time of start The armature has very low resistance Because ofthis there will high starting current in a DC motorStarters are used in order to limit this starting current in DCmotorWorking of 4pointstarterThe internal structure of the fourpoint starter will be likethisThe main difference between the 3point starter and 4pointstarter is the additional resistance RL N F A are the four terminals of the 4point    See Answer
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