Title :
On the capacitor voltage needed to trigger self-excitation in induction generators
Author :
Marc Bodson;Oleh Kiselychnyk
Author_Institution :
ECE Department, University of Utah, Salt Lake City, 84112, USA
fDate :
6/1/2011 12:00:00 AM
Abstract :
The paper analyzes the phenomenon of self-excitation in induction generators. A nonlinear state-space model is obtained based on a magnetization curve that is nonlinear at high and low currents. The model was used previously to characterize the steady-state regimes of self-excited induction generators, including the number of possible regimes and their stability properties. In this paper, the model is used to find boundaries for spontaneous and triggered self-excitation, and to derive a remarkably simple formula that specifies the initial voltage to be applied to the capacitors to trigger self-excitation. The results are validated in simulations and experiments, and a very good agreement is observed overall between the computational, simulated, and experimental data.
Keywords :
"Capacitors","Saturation magnetization","Equations","Induction generators","Steady-state","Mathematical model","Stator windings"
Conference_Titel :
Control & Automation (MED), 2011 19th Mediterranean Conference on
Print_ISBN :
978-1-4577-0124-5
DOI :
10.1109/MED.2011.5983035