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Akademický článek
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Akademický článek
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Publikováno v:
IET Generation, Transmission & Distribution, Vol 16, Iss 1, Pp 19-26 (2022)
Addi. Archivo Digital para la Docencia y la Investigación
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Addi. Archivo Digital para la Docencia y la Investigación
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[EN] Low-sag conductors are characterised by their ability to operate above the "knee-point temperature" (KPT). Sag-tension performance must be calculated while designing a new overhead line. The ampacity limit of the conductor is influenced by the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc4fac4e3ef702e87d1611ee894f991b
http://hdl.handle.net/10810/55117
http://hdl.handle.net/10810/55117
Publikováno v:
Addi. Archivo Digital para la Docencia y la Investigación
instname
instname
This paper proposes a methodology for overhead line ampacity forecasting that enables empirical probabilistic forecasts to be made up to one day ahead, which is useful for grid scheduling and operation. The proposed method is based on the statistical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c547519f492c836946031fde94370464
http://hdl.handle.net/10810/53499
http://hdl.handle.net/10810/53499
Publikováno v:
International Journal of Electrical Power & Energy Systems. 105:602-611
Gap-type overhead conductor sag-tension calculations based on experimental conductor creep tests are based on stress-strain and metallurgical creep tests. Although for bi-metallic conductors, these tests are carried out for both the core and the full
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56aaafaf30b88e1b6118d716583ecd46
https://doi.org/10.1016/j.ijepes.2018.09.006
https://doi.org/10.1016/j.ijepes.2018.09.006
Publikováno v:
Energies, Vol 13, Iss 2, p 411 (2020)
Energies
Volume 13
Issue 2
Energies
Volume 13
Issue 2
Overhead lines can be replaced by high temperature low sag (HTLS) conductors in order to increase their capacity. The coefficients of thermal expansion (CTE) of the HTLS conductors are lower than the CTE of conventional conductors. The utilities and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::841bc6d29392a1e3257741f2a34ae597
https://www.mdpi.com/1996-1073/13/2/411
https://www.mdpi.com/1996-1073/13/2/411
Publikováno v:
Addi. Archivo Digital para la Docencia y la Investigación
instname
instname
Operation and planning of a power system are constrained by the rating of power lines. Usually, the static line rating is used for system operation and planning. The static line rating defined for an electric grid uses the same conservative weather a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2cc118ceaa4967f2f07898fd931e2c04
https://doi.org/10.1109/tpwrd.2018.2855805
https://doi.org/10.1109/tpwrd.2018.2855805
Autor:
M.T. Bedialauneta, Igor Albizu, R. Fernandez Martinez, Erica Villoria Fernández, Rafael Alberdi
Publikováno v:
2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC).
Thermal ratings are usually considered for planning the operating conditions for overhead lines and are usually obtained with static parameters. These conditions can be improved using dynamic ratings based on the region weather forecasts, and this im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e839427812636fb39f341cb2e8fe3489
https://doi.org/10.1109/appeec45492.2019.8994714
https://doi.org/10.1109/appeec45492.2019.8994714
Autor:
Roberto Fernández, Eduardo Fernández, Rafael Alberdi, M.T. Bedialauneta, Igor Albizu, A.J. Mazon
Publikováno v:
2019 International Conference on Clean Electrical Power (ICCEP).
Actual rating of the lines is important information for system operators. Dynamic line rating systems provide this information. The ampacity of the line it is related to the conductor temperature. This temperature can be calculated from meteorologica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::def798a47c6cb87515693dced9833fb0
https://doi.org/10.1109/iccep.2019.8890090
https://doi.org/10.1109/iccep.2019.8890090
Autor:
Elvira Fernandez, M.T. Bedialauneta, Rafael Alberdi, Igor Albizu, Roberto Fernández, A. Javier Mazon
Publikováno v:
ISIE
Dynamic line rating systems provide the system operators information about the actual rating of the lines. The ampacity of the line is determined by the critical span, which is the span with the worst thermal balance of the line. Three different weat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8eb9152de4d2682fa843c58ca4155794
https://doi.org/10.1109/isie.2019.8781308
https://doi.org/10.1109/isie.2019.8781308