Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Ivars Rankis"'
Publikováno v:
WSEAS TRANSACTIONS ON SYSTEMS AND CONTROL. 17:234-243
This paper is devoted to analysis of AC pulse modulation systems and calculation method explanation for such systems. Analysis of load filter parameters are performed by regressive estimation of filtering system parameters. The utility of such system
Publikováno v:
2020 IEEE 8th Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE).
The scientific paper is devoted to the delay of the setting of the intermittent current mode in the DC BUCK and BOOST converter circuits with the help of nonlinear inductivity. On the basis of the approximation of the magnetization curve of the induc
Autor:
Genadijs Zaleskis, Ivars Rankis
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 55, Iss 4, Pp 24-34 (2018)
The paper presents results of analysis of a possible solution for enhancement of frequency converter (FC) AC supply power parameters. The method proposed is based on switched stabilisation of DC current of FC front-end rectifier unit. Such stabilisat
Autor:
Genadijs Zaleskis, Ivars Rankis
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 55, Iss 2, Pp 28-36 (2018)
According to the strategical objectives of the use of the renewable energy sources, it is important to minimise energy consumption of conventional power grid by effective use of the renewable energy sources and provi-ding stable operation of the cons
Publikováno v:
2019 IEEE 7th IEEE Workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE).
The publication is devoted to the problem of stabilizing the energy parameters of the current consumed by a three-phase frequency converter with changes in its load power. The possibility is considered to install an inductor with a nonlinear dependen
Publikováno v:
2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON).
In this paper is investigated functionality of bidirectional direct AC/AC converter, which is meant to stabilize voltage on the load by the help of series injection transformer. Paper includes detailed working principle description, as well parameter
Autor:
Gunta Strupka, Ivars Rankis
Publikováno v:
Advances in Intelligent Systems and Computing ISBN: 9783319943459
Paper presents unmanned aerial vehicle (UAV) usage options and importance to fulfil power engineering tasks, improvements and their explanation. This paper also is part from research in this field restarted this year based also on previous research c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97356d948bfded2d8eaa2e01a89add54
https://doi.org/10.1007/978-3-319-94346-6_6
https://doi.org/10.1007/978-3-319-94346-6_6
Autor:
Marcis Prieditis, Ivars Rankis
Publikováno v:
2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON).
In this paper on base of vector analyzes are obtained simplified expressions for calculation of parameters of elements of Buck-Boost AC-AC converter with changeable configuration, which ensures quasi sinusoidal characteristics of source and load curr
Autor:
Marcis Prieditis, Ivars Rankis
Publikováno v:
2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe).
The series resonant DC/DC converter with an isolation transformer and bridge mode inverter input junction, at its operation in the Buck case, is investigated, at that input DC supply circuit comprises the qZ (quasi-Z) link as impedance source. Operat
Autor:
Ivars Rankis, Aigars Vitols
Publikováno v:
2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON 2017)
This paper represents continuation from previously published paper of analysis of heating processes of 32.3m3 room which is heated up by universal central heating boiler “Dacon — FB 36” which is equipped with experimental automatic briquettes f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1417f2d4857a1f2510f701f0cb0a847e
https://ortus.rtu.lv/science/lv/publications/26420
https://ortus.rtu.lv/science/lv/publications/26420