Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Jesper Hjerrild"'
Publikováno v:
IET Renewable Power Generation, Vol 17, Iss 14, Pp 3523-3535 (2023)
Abstract Power systems are currently experiencing a transition towards decarbonisation through the large‐scale deployment of renewable energy sources. These are gradually replacing conventional thermal power plants which today are the main provider
Externí odkaz:
https://doaj.org/article/c0522687476346b5ae885e15ee72a62f
Autor:
Daniela Pagnani, Frede Blaabjerg, Claus Leth Bak, Filipe Miguel Faria da Silva, Łukasz H. Kocewiak, Jesper Hjerrild
Publikováno v:
Energies, Vol 13, Iss 23, p 6286 (2020)
A review of the ongoing research on black start (BS) service integrated with offshore wind farms (OWFs) is presented in this paper. The overall goal is to firstly gain a better understanding of the BS capabilities required by modern power systems. Su
Externí odkaz:
https://doaj.org/article/84244479f06342cfac8d6faf2a009b5d
Publikováno v:
Energies, Vol 5, Iss 7, Pp 2214-2231 (2012)
Switching overvoltages (SOV) are considered a possible source of component failures experienced in existing offshore wind farms (OWFs). The inclusion of sufficiently accurate and validated models of the main electrical components in the OWF in the si
Externí odkaz:
https://doaj.org/article/93a90d4e3f00487bb5eb71c0ac11758a
Publikováno v:
2022 57th International Universities Power Engineering Conference (UPEC).
Publikováno v:
Pagnani, D, Kocewiak, Ł, Hjerrild, J, Blaabjerg, F & Bak, C L 2022, Control Principles for Island Operation and Black Start by Offshore Wind Farms integrating Grid-Forming Converters . in 24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe . IEEE, 24th European Conference on Power Electronics and Applications, EPE 2022 ECCE Europe, Hanover, Germany, 05/09/2022 . < https://ieeexplore.ieee.org/document/9907081 >
Aalborg University
Aalborg University
In this paper, control principles to perform black start services by offshore wind farms (OWFs) integrating grid-forming (GFM) control are presented. The strategy consists in exploiting a GFM battery energy storage system (BESS) to provide black star
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b1a5920cddd954e15fd1074e89ffb8af
https://vbn.aau.dk/da/publications/28b93308-96db-49e5-bced-049b7859a038
https://vbn.aau.dk/da/publications/28b93308-96db-49e5-bced-049b7859a038
Publikováno v:
Electronics
Volume 12
Issue 5
Pages: 1114
Vilmann, B, Randewijk, P J, Jóhannsson, H, Hjerrild, J & Khalil, A 2023, ' Frequency and Voltage Compliance Capabilities of Grid-Forming Wind Turbines in Offshore Wind Farms in Weak AC Grids † ', Electronics, vol. 12, no. 5, 1114 . https://doi.org/10.3390/electronics12051114
Volume 12
Issue 5
Pages: 1114
Vilmann, B, Randewijk, P J, Jóhannsson, H, Hjerrild, J & Khalil, A 2023, ' Frequency and Voltage Compliance Capabilities of Grid-Forming Wind Turbines in Offshore Wind Farms in Weak AC Grids † ', Electronics, vol. 12, no. 5, 1114 . https://doi.org/10.3390/electronics12051114
Weak grid conditions challenge the grid integration of offshore wind farms. Especially grids with low inertia and large grid impedance questions frequency and voltage compliance capabilities. Grid-forming wind turbines are a promising technology for
Publikováno v:
Pagnani, D, Kocewiak, L, Hjerrild, J, Blaabjerg, F & Bak, C L 2020, Challenges and Solutions in Integrating Black Start into Offshore Wind Farms . in 19th Wind Integration Workshop : International Workshop on Large-Scale Integration of Wind Power into Power Systems as well as on Transmission Networks for Offshore Wind Power Plants . Energynautics GmbH, 19th Wind Integration Workshop: International Workshop on Large-Scale Integration of Wind Power into Power Systems as well as on Transmission Networks for Offshore Wind Power Plants, 10/11/2020 .
Aalborg University
Aalborg University
Power systems are currently experiencing a transition towards decarbonisation of electrical generation through large-scale deployment of renewable energy sources. These are gradually replacing conventional thermal power plants. Consequently, in case
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::37fff5db93860b4d7a424405f45c5654
https://vbn.aau.dk/da/publications/3adf0c64-2326-4143-ba1a-8050700f4bb6
https://vbn.aau.dk/da/publications/3adf0c64-2326-4143-ba1a-8050700f4bb6
Publikováno v:
IECON
Pagnani, D, Kocewiak, L, Hjerrild, J, Blaabjerg, F & Bak, C L 2020, Overview of Black Start Provision by Offshore Wind Farms . in Proceedings of IECON 2020 : 46th Annual Conference of the IEEE Industrial Electronics Society ., 9254743, IEEE Press, Proceedings of the Annual Conference of the IEEE Industrial Electronics Society, pp. 1892-1898, IECON 2020-46th Annual Conference of the IEEE Industrial Electronics Society, 18/10/2020 . https://doi.org/10.1109/IECON43393.2020.9254743
Pagnani, D, Kocewiak, L, Hjerrild, J, Blaabjerg, F & Bak, C L 2020, Overview of Black Start Provision by Offshore Wind Farms . in Proceedings of IECON 2020 : 46th Annual Conference of the IEEE Industrial Electronics Society ., 9254743, IEEE Press, Proceedings of the Annual Conference of the IEEE Industrial Electronics Society, pp. 1892-1898, IECON 2020-46th Annual Conference of the IEEE Industrial Electronics Society, 18/10/2020 . https://doi.org/10.1109/IECON43393.2020.9254743
Thanks to the solid standards and principles of design and restoration planning after a blackout, power systems in developed economies generally show a high level of resiliency. Nevertheless, this power system restoration practice stronglyrelies on c
Autor:
Bo Hesselbaek, Lukasz Hubert Kocewiak, Claus Leth Bak, Mohammad Kazem Bakhshizadeh, Changwoo Yoon, Frede Blaabjerg, Jesper Hjerrild
Publikováno v:
Dowlatabadi, M B, Yoon, C, Hjerrild, J, Bak, C L, Kocewiak, Ł H, Blaabjerg, F & Hesselbæk, B 2017, ' The Application of Vector Fitting to Eigenvalue-based Harmonic Stability Analysis ', I E E E Journal of Emerging and Selected Topics in Power Electronics, vol. 5, no. 4, pp. 1487-1498 . https://doi.org/10.1109/JESTPE.2017.2727503
Participation factor analysis is an interesting feature of the eigenvalue-based stability analysis in a power system, which enables the developers to identify the problematic elements in a multi-vendor project like in an offshore wind power plant. Ho
Autor:
Claus Leth Bak, Frede Blaabjerg, Xiongfei Wang, Lukasz Hubert Kocewiak, Jesper Hjerrild, Mohammad Kazem Bakhshizadeh
Publikováno v:
Dowlatabadi, M B, Blaabjerg, F, Hjerrild, J, Wang, X, Kocewiak, Ł H & Bak, C L 2017, ' A Numerical Matrix-Based Method for Stability and Power Quality Studies Based on Harmonic Transfer Functions ', I E E E Journal of Emerging and Selected Topics in Power Electronics, vol. 5, no. 4, pp. 1542-1552 . https://doi.org/10.1109/JESTPE.2017.2742241
Some couplings exist between the positive- and negative-sequence impedances of a voltage-sourced power converter especially in the low frequency range due to the nonlinearities and low-bandwidth control loops such as the phase-locked loop. In this pa