Abstract
ABSTRACT This paper presents the results of a digital computer study of the control of torsional interaction in a monopolar, two-terminal HVDC system with detailed representation of rectifier, inverter, and their associated controls. The generator and its associated torsional shaft dynamics are also represented in detail. The study includes the examination of the effects of an auxiliary subsynchronous damping controller (SSDC), with signal derived from the generator rotor speed. The system is subjected to a disturbance involving a change in the DC current reference. Plots of shaft torques are given to illustrate the effect of SSDC in reducing the torsional stress.
Published Version
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