Dual Second Order Generalized Integrator – Phase Locked Loop technique applied to a distorted grid-connected solar energy based on a Z-Source Inverter

• Autorzy: Daoudi Ali , Benalla Hocine , Nebti Khalil

Identyfikatory

DOI

10.24425/aee.2024.150885

• Języki publikacji: EN

Abstrakty

EN

In this paper, a Dual Second Order Generalized Integrator_Phase Locked Loop (DSOGI_PLL) technique applied to the Photovoltaic (PV) system supplying a Z-Source five-level Inverter (ZSI) is presented. The ZSI assures the increasing voltage of the PV system and provides the desired output DC at the input of the five-level Neutral Point Clamped Inverter (5L_NPCI), without any control which reduces the complexity of the overall system, this is due to the impedance network in its structure. We use Z-Source in order to eliminate the controlled DC bus as well as the use of the DC-DC Boost converter as an intermediary. A DSOGI technique is employed to control and optimize the energy quality, especially in distorted grid conditions and allows one to obtain a very low value of Total Harmonic Distortion (THD) which means lower peak currents, and higher efficiency. Low THD is an essential feature in power systems that international standards such as IEC 61000-3-2, and IEEE-519 set limits on the harmonic currents of various classes of power equipment connected to a distorted three-phase grid. Compared to the classic structure of inverters, the NPC five-level inverter presents a very high performance.

Słowa kluczowe

EN

DSOGI-PLL; dual second order generalized integrator phase locked loop; distorted grid connected PV system; NPC five-level inverter; THD; total harmonic distortion; Z-source

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2024
• Tom: Vol. 73, nr 3
• Strony: 595--614
• Opis fizyczny: Bibliogr. 29 poz., rys., tab., wykr., wz.

Twórcy

autor

Daoudi Ali

• Département d’électrotechnique, laboratoire d’électrotechnique de Constantine, Université Constantine 1, 25000 Constantine, Algeria

• https://orcid.org/0009-0004-9225-4696

autor

Benalla Hocine

• Département d’électrotechnique, laboratoire d’électrotechnique de Constantine, Université Constantine 1, 25000 Constantine, Algeria

autor

Nebti Khalil

• Département d’électrotechnique, laboratoire d’électrotechnique de Constantine, Université Constantine 1, 25000 Constantine, Algeria

• https://orcid.org/0000-0001-6716-2440

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