Generator Digital Regulators Distributed Generation Plants

Abstract

The article provides results of power supply systems modes computer-based research conducted with distributed generation (DG) plants equipped with digital automatic voltage regulator (AVR) and automatic speed governor (ASG). Lookahead algorithms were used to enhance control quality. Analysis of digital regulators effect on transient processes indices for disturbances of power supply system operating mode. The results of computer-based modeling performed in MATLAB system indicated that the use of look-ahead algorithm al-lowed to significantly improve controllers damper properties and reduce the object s persistence during DG plants transition to island operation, and when powerful asynchronous motors are started. Keywords—distributed regeneration, digital automatic voltage regulator, digital automatic speed governor, lookahead algorithm, computer-based modeling