Flexible Power Point Tracking Using a Neural Network for Power Reserve Control in a Grid-Connected PV System

Jishu Mary Gomez and Prabhakar Karthikeyan Shanmugam ()
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Jishu Mary Gomez: School of Electrical Engineering, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
Prabhakar Karthikeyan Shanmugam: School of Electrical Engineering, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India

Energies, 2022, vol. 15, issue 21, 1-17

Abstract: Renewable energy penetration in the global energy sector is in a state of steady growth. A major criterion imposed by the regulatory boards in the wake of electronic-driven power systems is frequency regulation capability. As more rooftop PV systems are under installation, the inertia response of the power utility system is descending. The PV systems are not equipped inherently with inertial or governor control for unseen frequency deviation scenarios. In the proposed method, inertial and droop frequency control is implemented by creating the necessary power reserve by the derated operation of the PV system. While, traditionally, PV systems operate in normal MPPT mode, a derated PV system follows a flexible power point tracking (FPPT) algorithm for creating virtual energy storage. The point of operation for the FPPT of the PV is determined by using a neural network block set available in MATLAB. For the verification of the controller, it is applied to a PV array in a modified IEEE-13 bus system modeled in the MATLAB/Simulink platform. The simulation results prove that when the proposed control is applied to the test network with renewable energy penetration, there is an improved system inertia response.

Keywords: renewable energy systems; inertia response; frequency response; photovoltaic systems; derated PV systems; MPPT; FPPT; microgrid systems; neural network; IEEE-13 bus system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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