EMG-EMCO is expert in Brushless exciter systems for power station alternators and manufacture machines that can cover the entire market needs from 20 kw to more than 300 kw. The Exciter that EMG-EMCO offer are intend to be connect directly on the shaft of the main alternator without adjustment. The exciter have a rotating rectifier bridge that adapted to each alternator the Electric characteristics, shaft diameter and mechanical fixations. To Obtain a brush-less system it is replaced by an existing commentator exciter on the hydraulic alternators.