Eng. Dan Claudiu RUS, Prof. Eng. Maria IMECS PhD, Lecturer Eng. Ioan Iov INCZE PhD, Lecturer Eng. Csaba SZABO PhD
Rezumat
In lucrare sunt prezentate ecuatiile generale ale masinii sincrone cu infasurare de excitatie, din care sunt deduse modelul matematic de motor, respectiv de generator in vedrea simularii in regim de generator. Generatorul sincron este antrenat de catre un motor de inductie cu rotor in colivie si controlat in cuplu si debiteaza pe o rezistenta trifazata pasiva rezistiv-inductiva. Sunt prezentate rezultatele simularii in cazul controlului scalar al generatorului in care reglarea
amplitudinii tensiunii, respectiv a frecventei statorice sunt realizate independent in bucle separate.
Cuvinte cheie: generator sincronmodel matematic de motor si de generatorsimularecontrol scalar.
Abstract
The paper presents the mathematical description of an electrically excited synchronous machine using
generator and motor mathematical models. In simulation the synchronous machine is running in generator mode, it is driven by a squirrel-cage induction motor and generates energy on a passive resistive-inductive load. Simulation results are
presented for a scalar controlled synchronous generator, in which the stator-voltage amplitude and frequency of the generator are independently controlled in two separated loops.
Keywords: synchronous generatormotor and generator mathematical modelinput and output variables
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