Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Stanislav Sumec"'
Publikováno v:
2018 19th International Scientific Conference on Electric Power Engineering (EPE).
Possible solutions of the current measurement at any node or branch of the high voltage circuit are described in this paper. By default, the current in the high voltage circuits is measured at or in the vicinity of ground potential, where they are no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc0797b3e3af5421a470538d8af965a6
https://doi.org/10.1109/epe.2018.8395943
https://doi.org/10.1109/epe.2018.8395943
Publikováno v:
2016 IEEE Lighting Conference of the Visegrad Countries (Lumen V4).
The paper describes a new approach to the analysis of lighting systems, namely the lighting environment in general, with focus on luminance contrast mapping. Using the modern measuring equipment based on luminance analyzer units it is possible to tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ebed8c4012516ed4899bfe10388c6d9
https://doi.org/10.1109/lumenv.2016.7745507
https://doi.org/10.1109/lumenv.2016.7745507
Publikováno v:
2016 IEEE Lighting Conference of the Visegrad Countries (Lumen V4).
The article describes UGR measurement with luminance analyzer and discusses overall impact of background luminance on the calculation result. Background luminance, defined as 2π, causes a problem if the luminance is on the periphery of the visual fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e57725370bbcdb8a10be70bd0b541b1f
https://doi.org/10.1109/lumenv.2016.7745511
https://doi.org/10.1109/lumenv.2016.7745511
Publikováno v:
2016 IEEE Lighting Conference of the Visegrad Countries (Lumen V4).
Laboratory testing of high voltage tested objects often leads to creation of discharges. Discharges are generated by breakdowns or flashovers outer insulation of the tested objects. These discharges generate emission in the IR, UV and also in the spe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1372201642f2ec5393ef124d5e01215f
https://doi.org/10.1109/lumenv.2016.7745510
https://doi.org/10.1109/lumenv.2016.7745510
Autor:
Stanislav Sumec, Tomas Bajanek
Publikováno v:
2016 17th International Scientific Conference on Electric Power Engineering (EPE).
This paper focuses on development of negative sequence relay model that is processing IEC 61850-9-2 Sampled Values. The detection of negative sequence current and fast, reliable operation of protection relay is useful for power system components. Thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::faf95d1a73cb5f2c30107cfee273c663
https://doi.org/10.1109/epe.2016.7521743
https://doi.org/10.1109/epe.2016.7521743
Publikováno v:
2016 17th International Scientific Conference on Electric Power Engineering (EPE).
High voltage capacitors are widely used in middle and high voltage laboratories and testing rooms. Capacitors are used for measurement of voltage in the form of voltage dividers. Injection and blocking capacitors are placed in the galvanic systems of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11f85208968fcba2d03c403d7810f086
https://doi.org/10.1109/epe.2016.7521723
https://doi.org/10.1109/epe.2016.7521723
Autor:
Tomas Bajanek, Stanislav Sumec
Publikováno v:
2016 17th International Scientific Conference on Electric Power Engineering (EPE).
Sampled Values transferred via process bus according to IEC 61850 are used for protection functions in substation. Nowadays a lot of researchers are dealing with their processing and using them for protection algorithms. There are some software tools
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62fe22c8ed6b4240d76e5e87be1be917
https://doi.org/10.1109/epe.2016.7521742
https://doi.org/10.1109/epe.2016.7521742
Publikováno v:
2015 16th International Scientific Conference on Electric Power Engineering (EPE).
Article describes the design of lighting in growth chamber with low energy consumption. For this purpose we created a special luminaire that allows during different phases of plant life, regulate the spectrum of emitted energy and thereby effectively
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af26664f057d61b2d01b0cc2922d4c69
https://doi.org/10.1109/epe.2015.7161169
https://doi.org/10.1109/epe.2015.7161169
Publikováno v:
Proceedings of the 21st International Conference LIGHT SVĚTLO 2015. s. 253-256. ISBN 978-80-214-5244-2
Paper describes deficiencies of conventional method for luminous intensity curve measuring and it brings comparison with newly used methods of near field photometry. There is also presented demonstration measurement of problematic type of luminaire w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9159c27b2dc1b0df8dbf17737869598e
https://doi.org/10.13164/conf.light.2015.253
https://doi.org/10.13164/conf.light.2015.253
Publikováno v:
Proceedings of the 21st International Conference LIGHT SVĚTLO 2015. s. 133-137. ISBN 978-80-214-5244-2
This case study presents a comparison of visibility and recognisability (discernibility) of objects – pedestrians – on the road in rural areas at night on encounter with low beam headlights fitted with halogen lights and xenon (high-intensity dis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23a744ad1e9cd4fdcde2767b4fbb0e34
https://hdl.handle.net/11012/51653
https://hdl.handle.net/11012/51653
