A Coordinated Voltage Regulation Algorithm of a Power Distribution Grid with Multiple Photovoltaic Distributed Generators Based on Active Power Curtailment and On-Line Tap Changer

Yassir Maataoui, Hamid Chekenbah, Omar Boutfarjoute, Vicenç Puig () and Rafik Lasri
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Yassir Maataoui: TED:AEEP, FPL, Abdelmalek Essaadi University, Tetouan 93000, Morocco
Hamid Chekenbah: TED:AEEP, FPL, Abdelmalek Essaadi University, Tetouan 93000, Morocco
Omar Boutfarjoute: TED:AEEP, FPL, Abdelmalek Essaadi University, Tetouan 93000, Morocco
Vicenç Puig: Supervision, Safety and Automatic Control Research Center (CS2AC), The Universitat Politécnica de Catalunya, Rambla Sant Nebridi, 22, 08222 Barcelona, Spain
Rafik Lasri: TED:AEEP, FPL, Abdelmalek Essaadi University, Tetouan 93000, Morocco

Energies, 2023, vol. 16, issue 14, 1-17

Abstract: The aim of this research is to manage the voltage of an active distribution grid with a low X / R ratio and multiple Photovoltaic Distributed Generators (PVDGs) operating under varying conditions. This is achieved by providing a methodology for coordinating three voltage-based controllers implementing an Adaptive Neuro-Fuzzy Inference System (ANFIS). The first controller is for the On-Line Tap Changer (OLTC), which computes its adequate voltage reference. Whereas the second determines the required Active Power Curtailment (APC) setpoint for PVDG units with the aim of regulating the voltage magnitude and preventing continuous tap operation (the hunting problem) of OLTC. Finally, the last component is an auxiliary controller designed for reactive power adjustment. Its function is to manage voltage at the Common Coupling Point (CCP) within the network. This regulation not only aids in preventing undue stress on the OLTC but also contributes to a modest reduction in active power generated by PVDGs. The algorithm coordinating between these three controllers is simulated in MATLAB/SIMULINK and tested on a modified IEEE 33-bus power distribution grid (PDG). The results revealed the efficacy of the adopted algorithm in regulating voltage magnitudes in all buses compared to the traditional control method.

Keywords: power distribution grid; Photovoltaic Distributed Generator; neuro-fuzzy; On-Line Tap Changer (OLTC); tap hunting; active power curtailment; voltage control; voltage regulation (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: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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