Assuming the alternator shown in figure "A" of the illustration is equipped with a diode plate as configured in figure "D", what is the purpose of the diode plate? Illustration EL-0037 |
A) It inverts exciter armature DC to AC for rotating main field excitation, but does not eliminate the need for brushes. . |
B) It rectifies exciter armature AC to DC for rotating main field excitation, but does not eliminate the need for brushes.. |
C) It rectifies exciter armature AC to DC for rotating main field excitation and eliminates the need for brushes. |
D) It inverts exciter armature DC to AC for rotating main field excitation and eliminates the need for brushes. |