Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Roni Luhtala"'
Publikováno v:
IEEE Access, Vol 8, Pp 178085-178096 (2020)
Impedance-based stability criterion has become a popular method in determining the stability of grid-connected systems. Recent studies have presented the utilization of various pseudo-random-sequence (PRS) perturbations for rapidly and accurately obt
Externí odkaz:
https://doaj.org/article/856378f6641a443d9f2873a7427f827f
Publikováno v:
Energies, Vol 13, Iss 5, p 1173 (2020)
Rapidly increasing demand for renewable energy has created a need for the photovoltaic and wind farms to be placed in various locations that have diverse and possibly time-variant grid conditions. A mismatch between the grid impedance and output admi
Externí odkaz:
https://doaj.org/article/a9db94370c9b4dbb941cffbbf3dac35f
Autor:
Roni Luhtala, Tuomas Messo, Tomi Roinila, Henrik Alenius, Erik de Jong, Andrew Burstein, Alejandra Fabian
Publikováno v:
Energies, Vol 12, Iss 14, p 2674 (2019)
Grid impedance is an important parameter which affects the control performance of grid-connected power converters. Several methods already exist for optimizing the converter control system based on knowledge of grid impedance value. Grid impedance ma
Externí odkaz:
https://doaj.org/article/fa0ab40d25b14c4c89c6aaadc0516627
Autor:
Teuvo Suntio, Tuomas Messo, Matias Berg, Henrik Alenius, Tommi Reinikka, Roni Luhtala, Kai Zenger
Publikováno v:
Energies, Vol 12, Iss 3, p 464 (2019)
Impedance-ratio-based interaction analyses in terms of stability and performance of DC-DC converters is well established. Similar methods are applied to grid-connected three-phase converters as well, but the multivariable nature of the converters and
Externí odkaz:
https://doaj.org/article/df37e60445574c2883c55182c30c06bb
Autor:
Tuomas Messo, Roni Luhtala, Tomi Roinila, Erik de Jong, Rick Scharrenberg, Tommaso Caldognetto, Paolo Mattavelli, Yin Sun, Alejandra Fabian
Publikováno v:
Energies, Vol 12, Iss 3, p 379 (2019)
AC microgrid is an attractive way to energize local loads due to remotely located renewable generation. The AC microgrid can conceptually comprise several grid-forming and grid-following power converters, renewable energy sources, energy storage and
Externí odkaz:
https://doaj.org/article/b7b22eacb42f4502baecf2609b205ee9
Publikováno v:
2022 IEEE Energy Conversion Congress and Exposition (ECCE).
acceptedVersion Non
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1ea585ef7c90d978dc247290823a1fc
https://doi.org/10.1109/ecce50734.2022.9947891
https://doi.org/10.1109/ecce50734.2022.9947891
Autor:
Tomi Roinila, Tuomas Messo, Yin Sun, Rick Scharrenberg, Alejandra Fabian, Roni Luhtala, Erik de Jong
Publikováno v:
IEEE Transactions on Industrial Electronics, 66(7):8425989, 5769-5777. IEEE Industrial Electronics Society
The operation of more electric aircraft is dependent on the embedded power grid. Therefore, the onboard power-distribution system must be reliable, having a high level of survivability, and promptly respond to any change in aircraft’s operation. Re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::acef410b4e699e6b2e5a17e357d75c6a
https://doi.org/10.1109/TIE.2018.2860543
https://doi.org/10.1109/TIE.2018.2860543
Publikováno v:
IEEJ Journal of Industry Applications. 8:488-496
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82061b08f2cd20828ae8c668da597364
https://doi.org/10.1541/ieejjia.8.488
https://doi.org/10.1541/ieejjia.8.488
Publikováno v:
2020 IEEE Applied Power Electronics Conference and Exposition (APEC).
The amount of grid-connected power electronics is rapidly increasing and their effect to power quality becomes important especially in areas with high penetration levels. In weak grids with significant grid impedance, the inverter control performance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::841b6002e543e78d49da439c47d862b0
https://doi.org/10.1109/apec39645.2020.9124483
https://doi.org/10.1109/apec39645.2020.9124483
Grid characteristics have a drastic impact on the stability and control performance of grid-connected systems. Because the grid conditions typically vary over time, online measurements are most desirable for the stability assessment, protection desig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed62040424326094aacbf491db5ebb58
https://trepo.tuni.fi/handle/10024/127036
https://trepo.tuni.fi/handle/10024/127036
