Abstract
This article presents the modeling and transient analysis of a 3-φ self-excited induction generator (SEIG) feeding an induction motor and a rectifier-controlled DC motor as dynamic loads with a static volt ampere reactive (VAR) compensator. It also deals with the necessary steps and guidelines to decide the parameters of a static VAR compensator (STATCOM) for a SEIG feeding an induction motor and controlled rectifier-fed DC motor loads. The STATCOM (an insulated gate bipolar transistor-based current-controlled voltage source inverter) provides the additional VAR required by the load and, thus, results in good voltage regulation. With consideration of the designed STATCOM parameters, the system is studied for switching of the static compensator and startup and loading of both an induction motor and a rectifier-fed DC motor. With the STATCOM, the performance of a SEIG feeding an induction motor and a controlled rectifier-fed DC motor is found commendable, as far as startup, voltage dip, and total harmonic distortion are concerned.
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