Application of static excitation systems for rotating exciter replacement

Abstract

Many power generation plants in the pulp and paper industry are faced with high maintenance and down time due to the excitation system. DC field breakers, motor driven rheostats, commutator deterioration, and replacement parts for the automatic voltage regulator (AVR) are just a few of the problems typical of these aged power plants. The result is high overhead and potentially long down time of the generator system. The replacement of the rotating exciter and associated equipment for static excitation systems provides the positive solutions to these problems. The static exciter offers the design flexibility of easy retrofit for both small and larger rotating exciter systems. Additionally, it eliminates the maintenance overhead common to the brush type exciter.