In a single phase cylindrical rotor synchronous machine, the torque Te tends to ____________ the space angle θr.
A. reduce
B. increase
C. maintain constant
D. all of the mentioned
Answer:A
In a single phase cylindrical rotor synchronous machine, the torque Te tends to ____________ the space angle θr.
A. reduce B. increase C. maintain constant D. all of the mentioned
Explanation: Wfld(is,ir,θr)=1/2 is2Ls+1/2 ir2Lr+ isirMmaxcosθr