Voltage unbalance mitigation in LV networks using three-phase PV systems

Cristina Garcia Bajo; Seyedmostafa Hashemi Toghroljerdi; Søren Bækhøj Kjær; Guangya Yang; Jacob Østergaard

doi:10.1109/ICIT.2015.7125522

Voltage unbalance mitigation in LV networks using three-phase PV systems

Cristina Garcia Bajo
, Seyedmostafa Hashemi Toghroljerdi
, Søren Bækhøj Kjær
, Guangya Yang
, Jacob Østergaard

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

In this paper a new method is proposed to mitigate voltage unbalance caused by single-phase solar inverters in low voltage (LV) networks. The method is based on uneven reactive power absorption and injection by three-phase solar inverters. Independent control of each phase is performed to achieve this uneven injection. The average values of phase voltages at the connection points of the photovoltaic (PV) inverters are used as the references for the balancing algorithm. Voltage unbalance mitigation is achieved by use of this method in different scenarios with variable three-phase and single-phase inverters penetration in a realistic LV grid. In addition, the overvoltage is reduced by using this method.

Original language	English
Title of host publication	Proceedings of the 2015 IEEE International Conference on Industrial Technology (ICIT)
Publisher	IEEE
Publication date	2015
Pages	2875-2879
ISBN (Print)	978-1-4799-7800-7
DOIs	https://doi.org/10.1109/ICIT.2015.7125522
Publication status	Published - 2015
Event	2015 IEEE International Conference on Industrial Technology - Seville, Spain Duration: 17 Mar 2015 → 19 Mar 2015 https://ieeexplore.ieee.org/xpl/conhome/7108493/proceeding

Conference

Conference	2015 IEEE International Conference on Industrial Technology
Country/Territory	Spain
City	Seville
Period	17/03/2015 → 19/03/2015
Internet address	https://ieeexplore.ieee.org/xpl/conhome/7108493/proceeding

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Voltage unbalance
LV grids
Photovoltaic
Reactive power
Voltage control

Access to Document

10.1109/ICIT.2015.7125522

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Full text

Cite this

@inproceedings{c8b5cc55a7094cf3ac42edd71b34d9ce,

title = "Voltage unbalance mitigation in LV networks using three-phase PV systems",

abstract = "In this paper a new method is proposed to mitigate voltage unbalance caused by single-phase solar inverters in low voltage (LV) networks. The method is based on uneven reactive power absorption and injection by three-phase solar inverters. Independent control of each phase is performed to achieve this uneven injection. The average values of phase voltages at the connection points of the photovoltaic (PV) inverters are used as the references for the balancing algorithm. Voltage unbalance mitigation is achieved by use of this method in different scenarios with variable three-phase and single-phase inverters penetration in a realistic LV grid. In addition, the overvoltage is reduced by using this method.",

keywords = "Voltage unbalance, LV grids, Photovoltaic, Reactive power, Voltage control",

author = "\{Garcia Bajo\}, Cristina and \{Hashemi Toghroljerdi\}, Seyedmostafa and \{B{\ae}kh{\o}j Kj{\ae}r\}, S{\o}ren and Guangya Yang and Jacob {\O}stergaard",

year = "2015",

doi = "10.1109/ICIT.2015.7125522",

language = "English",

isbn = "978-1-4799-7800-7",

pages = "2875--2879",

booktitle = "Proceedings of the 2015 IEEE International Conference on Industrial Technology (ICIT)",

publisher = "IEEE",

address = "United States",

note = "2015 IEEE International Conference on Industrial Technology, ICIT 2015 ; Conference date: 17-03-2015 Through 19-03-2015",

url = "https://ieeexplore.ieee.org/xpl/conhome/7108493/proceeding",

}

Garcia Bajo, C, Hashemi Toghroljerdi, S, Bækhøj Kjær, S, Yang, G & Østergaard, J 2015, Voltage unbalance mitigation in LV networks using three-phase PV systems. in Proceedings of the 2015 IEEE International Conference on Industrial Technology (ICIT). IEEE, pp. 2875-2879, 2015 IEEE International Conference on Industrial Technology, Seville, Spain, 17/03/2015. https://doi.org/10.1109/ICIT.2015.7125522

Voltage unbalance mitigation in LV networks using three-phase PV systems. / Garcia Bajo, Cristina; Hashemi Toghroljerdi, Seyedmostafa; Bækhøj Kjær, Søren et al.
Proceedings of the 2015 IEEE International Conference on Industrial Technology (ICIT). IEEE, 2015. p. 2875-2879.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

TY - GEN

T1 - Voltage unbalance mitigation in LV networks using three-phase PV systems

AU - Garcia Bajo, Cristina

AU - Hashemi Toghroljerdi, Seyedmostafa

AU - Bækhøj Kjær, Søren

AU - Yang, Guangya

AU - Østergaard, Jacob

PY - 2015

Y1 - 2015

N2 - In this paper a new method is proposed to mitigate voltage unbalance caused by single-phase solar inverters in low voltage (LV) networks. The method is based on uneven reactive power absorption and injection by three-phase solar inverters. Independent control of each phase is performed to achieve this uneven injection. The average values of phase voltages at the connection points of the photovoltaic (PV) inverters are used as the references for the balancing algorithm. Voltage unbalance mitigation is achieved by use of this method in different scenarios with variable three-phase and single-phase inverters penetration in a realistic LV grid. In addition, the overvoltage is reduced by using this method.

AB - In this paper a new method is proposed to mitigate voltage unbalance caused by single-phase solar inverters in low voltage (LV) networks. The method is based on uneven reactive power absorption and injection by three-phase solar inverters. Independent control of each phase is performed to achieve this uneven injection. The average values of phase voltages at the connection points of the photovoltaic (PV) inverters are used as the references for the balancing algorithm. Voltage unbalance mitigation is achieved by use of this method in different scenarios with variable three-phase and single-phase inverters penetration in a realistic LV grid. In addition, the overvoltage is reduced by using this method.

KW - Voltage unbalance

KW - LV grids

KW - Photovoltaic

KW - Reactive power

KW - Voltage control

U2 - 10.1109/ICIT.2015.7125522

DO - 10.1109/ICIT.2015.7125522

M3 - Article in proceedings

SN - 978-1-4799-7800-7

SP - 2875

EP - 2879

BT - Proceedings of the 2015 IEEE International Conference on Industrial Technology (ICIT)

PB - IEEE

T2 - 2015 IEEE International Conference on Industrial Technology

Y2 - 17 March 2015 through 19 March 2015

ER -

Voltage unbalance mitigation in LV networks using three-phase PV systems

Abstract

Conference

UN SDGs

Keywords

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