DSP based simulator for excitation control of synchronous generator

Authors:
Damir Sumina;Igor Erceg;Gorislav Erceg
Affiliations:
Faculty of electrical engineering and computing, University of Zagreb, Zagreb, Croatia and Faculty of electrical engineering, University of Osijek, Osijek, Croatia;Faculty of electrical engineering and computing, University of Zagreb, Zagreb, Croatia and Faculty of electrical engineering, University of Osijek, Osijek, Croatia;Faculty of electrical engineering and computing, University of Zagreb, Zagreb, Croatia and Faculty of electrical engineering, University of Osijek, Osijek, Croatia
Venue:
WSEAS Transactions on Systems and Control
Year:
2009

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Abstract

This paper proposes a DSP based simulator for the implementing and testing control algorithms. The simulator is used to control a synchronous power plant model in real time. The simulator consists of a PC, on which the synchronous generator connected to AC network is simulated, connected through a communication channel to a DSP into which the control algorithm has been implemented. The simulator enables verification of the control algorithm on a simulation model in real time. In real time the simulator enables faster processes of engineering, implementing and verifying control algorithms not only for the voltage control system of a synchronous generator, but also for other systems able of having mathematical and simulation models. This paper shows a comparison in the case when both the system model and the control structure are simulated and for a case when the model is simulated on a computer and the control structure implemented in the DSP. The implementation of a conventional and a nonlinear synchronous generator voltage control structure has been presented. These methods were tested in the cases of voltage reference change, mechanical power change and the case of a short circuit on the transmission line.