Abstract
The impact of Virtual Synchronous Generator (VSG) parameters on the transient performance of Solar Photo-Voltaic (SPV) based system has been analyzed in this paper. In addition, the variations in Kinetic Energy (KE) and Potential Energy (PE) components of a Structure Preserving Energy Function (SPEF) for the system under consideration have also been analyzed for the same purpose. In order to do this, state space model of the SPV system with VSG controller has been developed. SPEF has then been derived with this model for a SPV source connected to a Synchronous Generator (SG) by a cable with the nonlinear load. In order to analyze the transient behavior of the system under $3\phi$ bolted fault and induction motor switching, a nonlinear Runge-Kutta 4th order method is used for numerical simulation. Results from Real Time Digital Simulator (RTDS) show that the variations in KE and PE of SPEF can aid in assessing the transient behavior of SPV based system.
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