The rotor copper losses, in a synchronous motor, are met by
A) d.c. source
B) armature input
C) motor input
D) supply lines
Correct Answer:
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Q6: The percentage slip in case of a
Q7: The operating speed of a synchronous motor
Q8: A synchronous motor will always stop when
A)supply
Q9: riunting in a synchronous motor takes place
A)when
Q10: When load on an over-excited or under
Q12: The maximum power developed in a synchronous
Q13: When the stator windings are connected in
Q14: In which of the following motors the
Q15: Synchronsizingpower of a synchronous machine is
A)direcly proportional
Q16: Synchronous motors are
A)not-self starting
B)self-starting
C)essentially self-starting
D)none of the
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