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Electrical Machines


Q8. In a cylindrical-rotor synchronous generator, if the field

winding is open-circuited, can the generator still work at its synchronous speed? Give your explanation.

 

Q9. In a salient-pole synchronous generator, if the field winding is open-circuited, can the generator still work at its synchronous speed? Give your explanation.

 

Q10. Can the damper winding reduce the hunting effect in synchronous generators?  Give your explanation.

 

Q11. Given the transformation of current, can we obtain the transformation of voltage and impedance for invariant power transformation? Give your explanation.

 

Q12. Besides invariance power, can we realize identical transformation for current and voltage? Give your explanation.

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