Which of the following statements are true regarding the armature MMF wave in a DC machine when it is triangular?
Posted: Thu Jul 14, 2022 10:09 am
(i) rotates with respect to stator
(ii) is stationary with respect to stator
(iii) rotates with respect to armature
(iv) is stationary with respect to armature
a) (ii) only
b) (iii) only
c) (i) and (iv)
d) (ii) and (iii)
(ii) is stationary with respect to stator
(iii) rotates with respect to armature
(iv) is stationary with respect to armature
a) (ii) only
b) (iii) only
c) (i) and (iv)
d) (ii) and (iii)