New design alternatives for a hybrid photovoltaic and doubly-fed induction wind plant to augment grid penetration of renewable energy

Goni, Naiara; Sacristan, Javier; Berrueta, Alberto; Rodríguez, J.L.; Ursúa, Alfredo

doi:10.1109/eeeic/icpseurope51590.2021.9584546

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…For the sake of clarity, it is necessary to highlight that, in this paper, we use the term overplanting relative to the network capacity of OWFs. This term is used in both the onshore and offshore wind industry, but also in the photovoltaic industry [20], [52], [53], as well as for hybrid power plants [25], [29], [38], [39], [46], [54]- [60].…”

Section: B Overplanting As a Solution For Reducing Lcoementioning

confidence: 99%

Economic performance of an overplanted offshore wind farm under several commitment strategies and dynamic thermal ratings of submarine export cable

et al. 2023

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Section: B Overplanting As a Solution For Reducing Lcoementioning

confidence: 99%

Economic performance of an overplanted offshore wind farm under several commitment strategies and dynamic thermal ratings of submarine export cable

et al. 2023

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“…Wind power plants (WPPs) are continuously replacing conventional power plants based on synchronous generators [4], thereby reducing the system inertia. Thus, in order to maintain the increasing wind power penetration without weakening the frequency response, WTs need to be able to react to frequency variations by changing their output power.…”

Section: Introductionmentioning

confidence: 99%

Inclusion of a Supercapacitor Energy Storage System in DFIG and Full-Converter PMSG Wind Turbines for Inertia Emulation

Berrueta

Sacristan

López

et al. 2023

IEEE Trans. on Ind. Applicat.

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The energy transition towards renewables must be accelerated to achieve climate targets. To do so, renewable power plants, such as wind power plants (WPPs) must replace conventional power plants (CPPs). Transmission System Operators require this replacement to be made without weakening the frequency response of power systems, so it must be ensured that WPPs match the response of CPPs to grid frequency variations. CPPs consist of grid-tied synchronous generators that inherently react to frequency variations by modifying their stored kinetic energy and their output power, thereby contributing to grid stability. Such response is known as inertial response. By contrast, wind turbines (WTs) are mostly based on either doubly-fed induction generators (DFIG) or permanent magnet synchronous generators (PMSG). Their power electronics interface decouples the electromechanical behavior of the generator from the power grid, leading to a negligible inertial response. Therefore, in order to replace CPPs with WPPs, WTs must be able to react to frequency variations by changing their output power, i.e., emulating an inertial response. Currently implemented inertia emulation strategies in WTs rely on pitch control and stored kinetic energy variation. This paper proposes an alternative strategy, using the energy stored in a supercapacitor directly connected to the back-to-back converter DC link to emulate inertia. Its performance is validated by means of simulation for both DFIG and PMSG. Compared to state-of-the-art techniques, it allows a more accurate emulation of grid-tied synchronous generators, favoring the replacement of these generators by WTs.

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New design alternatives for a hybrid photovoltaic and doubly-fed induction wind plant to augment grid penetration of renewable energy

Cited by 2 publications

References 7 publications

Economic performance of an overplanted offshore wind farm under several commitment strategies and dynamic thermal ratings of submarine export cable

Economic performance of an overplanted offshore wind farm under several commitment strategies and dynamic thermal ratings of submarine export cable

Inclusion of a Supercapacitor Energy Storage System in DFIG and Full-Converter PMSG Wind Turbines for Inertia Emulation

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