Question

Cumulative vs differential compound generator

Answer 1

Answer:

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Differential compound generator :-

in case of a differential compound generator series field flux and main field flux opposes each other. If flux produced due to both winding is adding in nature, then it is called DC generator.

Such generators have various applications. Cumulative compound wound generators are generally used for lighting, power supply purpose and for heavy power services because of their constant voltage property.

Cumulative compound generator :-

Compound generator consists of both series and shunt field winding where major portion is shunt field and minor is series field.

the cumulative compounded generators may be over compounded, flat compounded and under compounded. We can get desired terminal voltage by compensating the drop due to armature reaction and ohmic drop in the in the line.

Cumulative compound wound generators are generally used for many applications and are mainly made over compounded.

Cumulative compound wound generators are also used for driving a motor.

In cumulative compound wound dc motor the series field assists the shunt field .

Compound generator consists of both series and shunt field winding where major portion is shunt field and minor is series field.

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