Abstract
This paper presents a transient analysis of self-excited induction generator (SEIG) with electronic load controller (ELC) used in stand alone micro hydel power generation employing uncontrolled turbines. In view of the need to feed both 3-phase induction motor and static loads from such systems, the transient behaviour due to switching in of such loads is of interest and is carried out here. Combining the modelling of prime mover, SEIG, ELC and load has developed a composite mathematical model of the total system. Simulated results are compared with the experimental ones, obtained on a developed laboratory prototype of a SEIG-ELC system by starting a motor and switching in a resistive load. For the induction motor, a star/delta starter is used to avoid inrush current. Harmonic analysis is carried out to assess total harmonic distortion (THD) in the voltage and current to assess the power quality.
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