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EEEB344 Electromechanical Devices Chapter 5 CHAPTER 5 ...
abs.cu.edu.trSmall synchronous machines – use slip rings and brushes. Larger machines – brushless exciters are used to supply the dc field current. A brushless exciter is a small ac generator with its field circuit mounted on the stator and its armature circuit mounted on the rotor shaft. The 3-phase output of the exciter generator is rectified to direct