A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters

This paper focuses on the methods that ensure the rotor angle stability of electric power systems, which is most frequently analyzed with small-signal models. Over the past several decades, power system stabilizers (PSSs) for conventional excitation systems were the main tools for improving the smal...

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Autores principales:	Nikolay Nikolaev, Kiril Dimitrov, Yulian Rangelov
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	power oscillation damping small-signal stability photovoltaic inverter electromechanical oscillation virtual synchronous generator microgrid Technology T
Acceso en línea:	https://doaj.org/article/1118c9c5c5c6485e8131fd3fe5670b31
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spelling	oai:doaj.org-article:1118c9c5c5c6485e8131fd3fe5670b312021-11-11T16:05:11ZA Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters10.3390/en142173721996-1073https://doaj.org/article/1118c9c5c5c6485e8131fd3fe5670b312021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7372https://doaj.org/toc/1996-1073This paper focuses on the methods that ensure the rotor angle stability of electric power systems, which is most frequently analyzed with small-signal models. Over the past several decades, power system stabilizers (PSSs) for conventional excitation systems were the main tools for improving the small-signal stability of electromechanical oscillatory modes. In the last decade, power oscillation damping (POD) control implemented in photovoltaic (PV) inverters has been considered an alternative to PSSs. As PV generation undergoes massive rollout due to policy directions and renewable energy source integration activities, it could potentially be used as a source of damping, which is crucial for sustaining the rotor angle stability of the remaining in-service synchronous generators. Several studies have already been dedicated to the development of different damping strategies. This paper contributes to the existing research in power system stability by providing a comprehensive review of the effects of PV generation on small-signal stability, as well as the recent evolution of POD control through PV inverters. The features and impacts of the various ways to realize POD controllers are assessed and summarized in this paper. Currently, detailed information and discussions on the practical application of PV inverter PODs are not available. This paper is, thus, intended to initiate a relevant discussion and propose possible implementation approaches concerning the topic under study.Nikolay NikolaevKiril DimitrovYulian RangelovMDPI AGarticlepower oscillation dampingsmall-signal stabilityphotovoltaic inverterelectromechanical oscillationvirtual synchronous generatormicrogridTechnologyTENEnergies, Vol 14, Iss 7372, p 7372 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	power oscillation damping small-signal stability photovoltaic inverter electromechanical oscillation virtual synchronous generator microgrid Technology T
spellingShingle	power oscillation damping small-signal stability photovoltaic inverter electromechanical oscillation virtual synchronous generator microgrid Technology T Nikolay Nikolaev Kiril Dimitrov Yulian Rangelov A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters
description	This paper focuses on the methods that ensure the rotor angle stability of electric power systems, which is most frequently analyzed with small-signal models. Over the past several decades, power system stabilizers (PSSs) for conventional excitation systems were the main tools for improving the small-signal stability of electromechanical oscillatory modes. In the last decade, power oscillation damping (POD) control implemented in photovoltaic (PV) inverters has been considered an alternative to PSSs. As PV generation undergoes massive rollout due to policy directions and renewable energy source integration activities, it could potentially be used as a source of damping, which is crucial for sustaining the rotor angle stability of the remaining in-service synchronous generators. Several studies have already been dedicated to the development of different damping strategies. This paper contributes to the existing research in power system stability by providing a comprehensive review of the effects of PV generation on small-signal stability, as well as the recent evolution of POD control through PV inverters. The features and impacts of the various ways to realize POD controllers are assessed and summarized in this paper. Currently, detailed information and discussions on the practical application of PV inverter PODs are not available. This paper is, thus, intended to initiate a relevant discussion and propose possible implementation approaches concerning the topic under study.
format	article
author	Nikolay Nikolaev Kiril Dimitrov Yulian Rangelov
author_facet	Nikolay Nikolaev Kiril Dimitrov Yulian Rangelov
author_sort	Nikolay Nikolaev
title	A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters
title_short	A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters
title_full	A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters
title_fullStr	A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters
title_full_unstemmed	A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters
title_sort	comprehensive review of small-signal stability and power oscillation damping through photovoltaic inverters
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1118c9c5c5c6485e8131fd3fe5670b31
work_keys_str_mv	AT nikolaynikolaev acomprehensivereviewofsmallsignalstabilityandpoweroscillationdampingthroughphotovoltaicinverters AT kirildimitrov acomprehensivereviewofsmallsignalstabilityandpoweroscillationdampingthroughphotovoltaicinverters AT yulianrangelov acomprehensivereviewofsmallsignalstabilityandpoweroscillationdampingthroughphotovoltaicinverters AT nikolaynikolaev comprehensivereviewofsmallsignalstabilityandpoweroscillationdampingthroughphotovoltaicinverters AT kirildimitrov comprehensivereviewofsmallsignalstabilityandpoweroscillationdampingthroughphotovoltaicinverters AT yulianrangelov comprehensivereviewofsmallsignalstabilityandpoweroscillationdampingthroughphotovoltaicinverters
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A Comprehensive Review of Small-Signal Stability and Power Oscillation Damping through Photovoltaic Inverters

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