Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Mani Ashouri"'
Publikováno v:
The Journal of Engineering (2019)
This work studies the application of short-time Fourier transform (STFT) to extract current harmonics of various fault types to design a protection method for meshed multi-terminal voltage source converter-high-voltage direct current (VSC-HVDC-MTDC)
Externí odkaz:
https://doaj.org/article/1410e453f53a4d229558f68710ff06e5
Publikováno v:
Energies, Vol 12, Iss 6, p 1010 (2019)
This paper presents a selective harmonic-based pilot protection scheme for detecting faults happened in the DC transmission section of VSC-MTDC grids with pulse width modulation (PWM) voltage source converters (VSCs). When a DC fault occurs in VSC-MT
Externí odkaz:
https://doaj.org/article/e1e7f5c8144642ce8afc55ee5bcc053c
Publikováno v:
Ashouri, M, Silva, F M F D & Bak, C L 2021, ' Analysis and Validation of Mathematical Morphology Filters for Single-Ended Fault Localization in VSC-HVDC Links ', Electrical Engineering, vol. 103, pp. 1583–1596 . https://doi.org/10.1007/s00202-020-01186-1
Fast and accurate fault detection and localization are important topics in voltage source converter-based high-voltage direct current transmission (VSC-HVDC) grids in order to isolate the fault after the first milliseconds of occurrence. Common signa
Publikováno v:
International Journal of Engineering and Manufacturing. 10:1-11
Publikováno v:
Ashouri, M, Silva, F M F D & Bak, C L 2021, ' Optimal Shunt Busbar Capacitor Placement for Selective Protection of Large-Scale VSC-MTDC Grids ', Electric Power Systems Research, vol. 199, 107458 . https://doi.org/10.1016/j.epsr.2021.107458
This paper studies optimal shunt busbar capacitor placement for large-scale VSC-MTDC grids to accurately discriminate between faults inside each protection zone and external faults. The installed capacitors work as filters, which attenuate higher fre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::167bde9e05fe2635c4abc18f44df9357
https://vbn.aau.dk/da/publications/c6095e2d-6abd-4ca9-a815-c88c23ff0450
https://vbn.aau.dk/da/publications/c6095e2d-6abd-4ca9-a815-c88c23ff0450
Publikováno v:
Ashouri, M, Silva, F M F D & Bak, C L 2021, ' A Pilot Protection Scheme for VSC-MTDC Grids Based on Polarity Comparison Using A Combined Morphological Technique ', Electrical Engineering . https://doi.org/10.1007/s00202-021-01347-w
This paper proposes a pilot protection scheme for voltage source converter-based multi-terminal high-voltage direct current (VSC-MTDC) grids based on polarity comparison of currents between different relay sections. The proposed strategy compares the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce0d0b7d3eb5b0ff50aace7b7de0e7db
https://vbn.aau.dk/da/publications/d5f134b0-49fc-4d23-9805-a322eeb00cc3
https://vbn.aau.dk/da/publications/d5f134b0-49fc-4d23-9805-a322eeb00cc3
Autor:
Claus Leth Bak, Mani Ashouri, Filipe Miguel Faria da Silva, Seyed Mehdi Hosseini, Ali Akbar Abdoos
Publikováno v:
Ashouri, M, Da Silva, F F, Bak, C L, Abdoos, A & Hosseini, S M 2020, ' Modal online differential fault detection and localisation scheme for VSC-MTDC cable transmission ', IET Generation, Transmission & Distribution, vol. 14, no. 20, pp. 4475-4487 . https://doi.org/10.1049/iet-gtd.2020.0437
This study proposes a modal online differential fault detection and localization (MODF) scheme for VSC-MTDC cable transmission. Modal theory is used to remove the coupling between layers of two-core extruded high-voltage direct current cable. As a re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29075593ae5e9e483c57d56e6483dd6e
https://vbn.aau.dk/da/publications/a626784b-0a9f-4553-8413-7bf759c17ae6
https://vbn.aau.dk/da/publications/a626784b-0a9f-4553-8413-7bf759c17ae6
Publikováno v:
Ashouri, M, Silva, F M F D & Bak, C L 2020, ' On the Application of Modal Transient Analysis for Online Fault Localization in HVDC Cable Bundles ', I E E E Transactions on Power Delivery, vol. 35, no. 3, 8840973, pp. 1365-1378 . https://doi.org/10.1109/TPWRD.2019.2942016
This paper presents the modal analysis of different HVDC cable bundles. Using modal theory, specific transformation matrices are presented, and the modal equivalent circuits are illustrated. The behavior of the resulting modes is studied in a wide fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f34f1ef4e3a55cd1a75d1aba89e6d2a6
https://vbn.aau.dk/da/publications/c31c3a37-a1a3-4f50-a105-c4eb41f24af9
https://vbn.aau.dk/da/publications/c31c3a37-a1a3-4f50-a105-c4eb41f24af9
Publikováno v:
Energies
Volume 12
Issue 6
Energies, Vol 12, Iss 6, p 1010 (2019)
Ashouri, M, Da Silva, F F & Bak, C L 2019, ' A harmonic based pilot protection scheme for VSC-MTDC grids with PWM converters ', Energies, vol. 12, no. 6, 1010 . https://doi.org/10.3390/en12061010
Volume 12
Issue 6
Energies, Vol 12, Iss 6, p 1010 (2019)
Ashouri, M, Da Silva, F F & Bak, C L 2019, ' A harmonic based pilot protection scheme for VSC-MTDC grids with PWM converters ', Energies, vol. 12, no. 6, 1010 . https://doi.org/10.3390/en12061010
This paper presents a selective harmonic-based pilot protection scheme for detecting faults happened in the DC transmission section of VSC-MTDC grids with pulse width modulation (PWM) voltage source converters (VSCs). When a DC fault occurs in VSC-MT