. "excitation systems" . "Excitation_(magnetic)#Excitation_in_generators" . "Excitation field" . "excitation system" . . . "excitation voltage" . "Excitation_(magnetic)#Self_excitation" . "DC current source" . "A.C. exciters" . . "excited" . "exciter circuit" . "brushless excitation" . "exciter" . "self excited" . . "Excitation (magnetic)" . "separately excited" . . "separately excited field, self-excited field" . "Excitation" . "excitation (magnetic)" . "Excitation (magnetic)" . "excitation" . "self-excitation" . "exciters" . "Excitation (magnetic)#Amplifier principle" . "excitation of a permanent magnet" . "excitation field" . "exciter set" .