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This paper deal with field current control method of a synchronous generator (SG) for ships using a compound type digital automatic voltage regulator (AVR) in order to control output voltage of the generator. The compound type digital AVR is composed of a control part to adjust output voltage and an auxiliary power unit to supply power to the field. The control part which generates the PWM switching...
The paper presents the results referring to the dc link voltage control of an induction generator/PWM converter system. This system can be used for the renewable energy sources in isolated areas. The voltage control is carried out with an adequate flux control based on an indirect rotor field oriented control.
A dual stator winding squirrel-cage induction generator-series connected ac-dc boost PWM rectifiers system producing a dc power at regulated two or three dc voltage levels is proposed. The operability regions of the generator are explored using the steady-state model of the generator and the converters while accounting for the effects of the magnetizing flux saturation in the generator. Nonlinear...
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