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What are the characteristics of dc generator?

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Question added by amany mokhtar , Volunteer , Resala
Date Posted: 2013/10/08
حسام ناجى
by حسام ناجى , testing and commissioning engineer II , SENDAN INTERNATIONAL COMPANY

Magnetic or Open circuit characteristics:

This is also called no load characteristics. It gives the relation between the generated emf in the armature on load and field current at constant speed.

Internal or total Characteristics:

This gives the relation between the emf generated in the armature and the armature current

External Characteristics:

This curve gives the relation between the terminal voltage and armature current under constant speed and excitation

 

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