Sub-Module Level Differential Power Processing for Parallel-Connected Architecture in Photovoltaic Systems

Kamran Ali Khan Niazi; Yongheng Yang; Wenjie Liu; Dezso Séra

doi:10.23919/EPE.2019.8915215

Sub-Module Level Differential Power Processing for Parallel-Connected Architecture in Photovoltaic Systems

Kamran Ali Khan Niazi, Yongheng Yang, Wenjie Liu, Dezso Séra

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

2 Citations (Scopus)

Abstract

The partial shading on parallel-connected photovoltaic (PV) modules introduces severe mismatch issues in PV systems, which significantly affects the overall output power. Distributed maximum power point tracking (DMPPT) is considered as an effective solution to the resultant mismatch in parallel-connected PV sub-modules. In this context, this paper proposes a sub-module level switched-inductor (SL) based differential power processing (DPP) technique for parallel connections to alleviate the mismatch effect. The technique can achieve the maximum output power under mismatch by equalizing the sub-module voltages. The proposed technique is analyzed and compared through simulations with a traditional (Schottky diode) bypassing technique.

Original language	English
Title of host publication	2019 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe
Number of pages	9
Publisher	IEEE Press
Publication date	Sept 2019
Article number	8915215
ISBN (Electronic)	9789075815313
DOIs	https://doi.org/10.23919/EPE.2019.8915215
Publication status	Published - Sept 2019
Event	2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe) - Genova, Italy Duration: 3 Sept 2019 → 5 Sept 2019

Conference

Conference	2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe)
Country/Territory	Italy
City	Genova
Period	03/09/2019 → 05/09/2019

Keywords

Renewable energy systems
Photovoltaic
Schottky diode
Distributed power

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title = "Sub-Module Level Differential Power Processing for Parallel-Connected Architecture in Photovoltaic Systems",

abstract = "The partial shading on parallel-connected photovoltaic (PV) modules introduces severe mismatch issues in PV systems, which significantly affects the overall output power. Distributed maximum power point tracking (DMPPT) is considered as an effective solution to the resultant mismatch in parallel-connected PV sub-modules. In this context, this paper proposes a sub-module level switched-inductor (SL) based differential power processing (DPP) technique for parallel connections to alleviate the mismatch effect. The technique can achieve the maximum output power under mismatch by equalizing the sub-module voltages. The proposed technique is analyzed and compared through simulations with a traditional (Schottky diode) bypassing technique.",

keywords = "Renewable energy systems, Photovoltaic, Schottky diode, Distributed power",

author = "Niazi, {Kamran Ali Khan} and Yongheng Yang and Wenjie Liu and Dezso S{\'e}ra",

year = "2019",

month = sep,

doi = "10.23919/EPE.2019.8915215",

language = "English",

booktitle = "2019 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe",

publisher = "IEEE Press",

note = "2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe) ; Conference date: 03-09-2019 Through 05-09-2019",

}

Niazi, KAK, Yang, Y, Liu, W & Séra, D 2019, Sub-Module Level Differential Power Processing for Parallel-Connected Architecture in Photovoltaic Systems. in 2019 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe., 8915215, IEEE Press, 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Genova, Italy, 03/09/2019. https://doi.org/10.23919/EPE.2019.8915215

Sub-Module Level Differential Power Processing for Parallel-Connected Architecture in Photovoltaic Systems. / Niazi, Kamran Ali Khan; Yang, Yongheng; Liu, Wenjie et al.
2019 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe. IEEE Press, 2019. 8915215.

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

TY - GEN

T1 - Sub-Module Level Differential Power Processing for Parallel-Connected Architecture in Photovoltaic Systems

AU - Niazi, Kamran Ali Khan

AU - Yang, Yongheng

AU - Liu, Wenjie

AU - Séra, Dezso

PY - 2019/9

Y1 - 2019/9

N2 - The partial shading on parallel-connected photovoltaic (PV) modules introduces severe mismatch issues in PV systems, which significantly affects the overall output power. Distributed maximum power point tracking (DMPPT) is considered as an effective solution to the resultant mismatch in parallel-connected PV sub-modules. In this context, this paper proposes a sub-module level switched-inductor (SL) based differential power processing (DPP) technique for parallel connections to alleviate the mismatch effect. The technique can achieve the maximum output power under mismatch by equalizing the sub-module voltages. The proposed technique is analyzed and compared through simulations with a traditional (Schottky diode) bypassing technique.

AB - The partial shading on parallel-connected photovoltaic (PV) modules introduces severe mismatch issues in PV systems, which significantly affects the overall output power. Distributed maximum power point tracking (DMPPT) is considered as an effective solution to the resultant mismatch in parallel-connected PV sub-modules. In this context, this paper proposes a sub-module level switched-inductor (SL) based differential power processing (DPP) technique for parallel connections to alleviate the mismatch effect. The technique can achieve the maximum output power under mismatch by equalizing the sub-module voltages. The proposed technique is analyzed and compared through simulations with a traditional (Schottky diode) bypassing technique.

KW - Renewable energy systems

KW - Photovoltaic

KW - Schottky diode

KW - Distributed power

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U2 - 10.23919/EPE.2019.8915215

DO - 10.23919/EPE.2019.8915215

M3 - Article in proceeding

BT - 2019 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe

PB - IEEE Press

T2 - 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe)

Y2 - 3 September 2019 through 5 September 2019

ER -

Sub-Module Level Differential Power Processing for Parallel-Connected Architecture in Photovoltaic Systems

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