Zobrazeno 1 - 10
of 22
pro vyhledávání: '"K. Gulbis"'
Autor:
K. Gulbis, U. Brakanskis, E. Kamolins, M. Gorobecs, A. Potapovs, K. Sejejs, J. Zarembo, V. Burenin
Publikováno v:
Latvian Journal of Physics and Technical Sciences. 59:36-52
The paper describes the design and control method of the synchronous reluctance machine with improved efficiency compared to traction induction motor for electric vehicle application. Magnetic field finite element modelling is used in the design proc
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 58, Iss 2, Pp 11-18 (2021)
The paper covers the main aspects and restrictions on siting small-scale wind farms in Latvia and benefits of using energy storage systems with small-scale wind farms. The restrictions of siting have been analysed. Grid connection restrictions are ad
Autor:
K. Gulbis, Gunilla Berg, Bernd Rodemann, Jakub Danielewicz, Lise Nistrup Jørgensen, Steven Kildea, S. Weigand, Niels Matzen, G. Stammler, Jonathan Blake, Neil D. Havis, Charlotte Bataille, Thies Marten Heick, S. Holdgate, B. Clark, Roma Semaskiene, Marek Korbas, E. Brauna-Morževska, Rita Ban, M. Glazek, Claude Maumené
Publikováno v:
Jørgensen, L N, Matzen, N, Heick, T M, Havis, N, Holdgate, S, Clark, B, Blake, J, Glazek, M, Korbas, M, Danielewicz, J, Maumene, C, Rodemann, B, Weigand, S, Kildea, S, Bataille, C, Brauna-Morzevska, E, Gulbis, K, Ban, R, Berg, G, Semaskiene, R & Stammler, G 2021, ' Decreasing azole sensitivity of Z. tritici in Europe contributesto reduced and varying field efficacy ', Journal of Plant Diseases and Protection, vol. 128, no. 1, pp. 287-301 . https://doi.org/10.1007/s41348-020-00372-4
Septoria tritici blotch (STB;Zymoseptoria tritici) is the most important leaf disease of wheat in Northern and Western Europe. The problem of fungicide resistance inZ. triticipopulations is challenging future control options. In order to investigate
Publikováno v:
2020 IEEE 61th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON).
A calculation algorithm is proposed, with the help of which it is possible to calculate the parameters of Synchronous Reluctance Machine (SynRM) and to construct motor characteristics, considering the cross magnetic saturation effect. The algorithm w
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 55, Iss 3, Pp 3-15 (2018)
The authors consider several tens of rotor tooth and slot profiles for the inductor electric machine in order to gain the maximum EMF of the armature winding at the minimum of highest harmonics, owing to which the specific power and efficiency of the
Publikováno v:
2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON).
Due to their comparatively higher efficiency and power density, permanent magnet synchronous machines (PMSM) is the most popular type of the electric machines used for the traction systems in electric vehicles (EV). Considering the increasing cost of
Autor:
E. Kamolins, K. Gulbis
Publikováno v:
2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON).
Synchronous inductor generator with electrically integrated armature and radial excitation windings for AC and DC power production is investigated. At present AC power produced by inductor generator is rectified to DC and inverter converts power for
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