Performance enhancement of DSOGI-PLL with a simple approach in grid-connected applications

In the literature history, many enhanced phase locked loops (PLLs) have been presented to enhance the performance of synchronous reference frame-PLL (SRF-PLL) against the grid imbalances and disturbances. One of these methods is a dual second order generalized integrator-PLL (DSOGI-PLL), which provi...

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Main Authors: Fehmi Sevilmiş, Hulusi Karaca
Format: Article
Language:English
Published: Elsevier 2022-04-01
Series:Energy Reports
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2352484721013317
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author Fehmi Sevilmiş
Hulusi Karaca
author_facet Fehmi Sevilmiş
Hulusi Karaca
author_sort Fehmi Sevilmiş
collection DOAJ
description In the literature history, many enhanced phase locked loops (PLLs) have been presented to enhance the performance of synchronous reference frame-PLL (SRF-PLL) against the grid imbalances and disturbances. One of these methods is a dual second order generalized integrator-PLL (DSOGI-PLL), which provides a perfect imbalance rejection capability. However, the DSOGI-PLL has a large convergence time and frequency overshoot, which brings a serious problem for grid-connected equipments. The aim of this study is to improve the performance of standard DSOGI-PLL without decreasing its disturbance rejection capability. In accordance with this purpose, a simple yet effective method is proposed. The effectiveness of advanced DSOGI-PLL is verified by experimental results.
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spelling doaj.art-ad947254be794436a5a07bb9096b92f52022-12-22T02:39:36ZengElsevierEnergy Reports2352-48472022-04-018918Performance enhancement of DSOGI-PLL with a simple approach in grid-connected applicationsFehmi Sevilmiş0Hulusi Karaca1Corresponding author.; Selçuk University, Faculty of Technology, Konya 42075, TurkeySelçuk University, Faculty of Technology, Konya 42075, TurkeyIn the literature history, many enhanced phase locked loops (PLLs) have been presented to enhance the performance of synchronous reference frame-PLL (SRF-PLL) against the grid imbalances and disturbances. One of these methods is a dual second order generalized integrator-PLL (DSOGI-PLL), which provides a perfect imbalance rejection capability. However, the DSOGI-PLL has a large convergence time and frequency overshoot, which brings a serious problem for grid-connected equipments. The aim of this study is to improve the performance of standard DSOGI-PLL without decreasing its disturbance rejection capability. In accordance with this purpose, a simple yet effective method is proposed. The effectiveness of advanced DSOGI-PLL is verified by experimental results.http://www.sciencedirect.com/science/article/pii/S2352484721013317DSOGI-PLLQuasi-type-1Phase locked loopPLL
spellingShingle Fehmi Sevilmiş
Hulusi Karaca
Performance enhancement of DSOGI-PLL with a simple approach in grid-connected applications
Energy Reports
DSOGI-PLL
Quasi-type-1
Phase locked loop
PLL
title Performance enhancement of DSOGI-PLL with a simple approach in grid-connected applications
title_full Performance enhancement of DSOGI-PLL with a simple approach in grid-connected applications
title_fullStr Performance enhancement of DSOGI-PLL with a simple approach in grid-connected applications
title_full_unstemmed Performance enhancement of DSOGI-PLL with a simple approach in grid-connected applications
title_short Performance enhancement of DSOGI-PLL with a simple approach in grid-connected applications
title_sort performance enhancement of dsogi pll with a simple approach in grid connected applications
topic DSOGI-PLL
Quasi-type-1
Phase locked loop
PLL
url http://www.sciencedirect.com/science/article/pii/S2352484721013317
work_keys_str_mv AT fehmisevilmis performanceenhancementofdsogipllwithasimpleapproachingridconnectedapplications
AT hulusikaraca performanceenhancementofdsogipllwithasimpleapproachingridconnectedapplications