Zobrazeno 1 - 10
of 36
pro vyhledávání: '"J. Dirba"'
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5db8c46f8ad2ffc27b2af488eb5c0f0e
https://doaj.org/article/e676033e59a841c684de861ce0010032
https://doaj.org/article/e676033e59a841c684de861ce0010032
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 56, Iss 2, Pp 3-11 (2019)
The authors present a methodology for the calculation and optimisation of regulation laws that apply to electronically commutated synchronous motors with predefined characteristics. It is shown that the synchronous electronically commutated motors ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bf12ba713dcfa6f6f9348b7865cd775
https://doi.org/10.2478/lpts-2019-0008
https://doi.org/10.2478/lpts-2019-0008
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 54, Iss 5, Pp 38-47 (2017)
The paper presents the research on evaluation of accuracy of magnetic field calculations of synchronous reluctance motor in comparison with the results obtained in experiments. Magnetic field calculations are performed with the finite element method
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::900ace317570f7e2efeefaa40965f422
https://doaj.org/article/cf1e3ba538db4a37aafb0e369c9df1d9
https://doaj.org/article/cf1e3ba538db4a37aafb0e369c9df1d9
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 53, Iss 4, Pp 22-29 (2016)
The paper focuses on studying the external-rotor synchronous reluctance motor. The analysis is performed to estimate the influence of the number of stator slots and non-magnetic areas in the rotor (i.e., flux barriers) on the electromagnetic torque a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f05f0faf02d68d4fc86cd594280840fa
https://doi.org/10.1515/lpts-2016-0025
https://doi.org/10.1515/lpts-2016-0025
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 52, Iss 2, Pp 40-48 (2015)
This paper focuses on studying the synchronous reluctance motors as an alternative to low-power commutator motors. Analysis is done for the improved design of synchronous reluctance motor with a segmental external rotor. Relevant equations and a suit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4a1dd486af4624f5406d9f8ee9cca1d
https://doi.org/10.1515/lpts-2015-0010
https://doi.org/10.1515/lpts-2015-0010
Autor:
J. Dirba, L. Lavrinovicha
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 51, Iss 2, Pp 22-30 (2014)
The authors consider the possibilities to synthesise metamodels for the analysis and optimisation of brushless synchronous motors. The metamodels are presented for new designs of the outer-rotor permanent magnet synchronous motor and the outer-rotor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6229d35571255abe2b4063ffee391cb2
https://doi.org/10.2478/lpts-2014-0010
https://doi.org/10.2478/lpts-2014-0010
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 50, Iss 3, Pp 3-11 (2013)
The paper presents an overview of brushless electric motors used in hand electric tools and household appliances. Analysis of the motor types has shown that synchronous reluctance motors are the most reliable for lowpower drives of such tools and app
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba17618e83992269752bf516f97899d3
https://doaj.org/article/fcd6c931cbd746c3b1c0021195661129
https://doaj.org/article/fcd6c931cbd746c3b1c0021195661129
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 50, Iss 2, Pp 15-22 (2013)
The authors analyze the advantages and disadvantages of brushless synchronous electric machines with radially and non-radially mounted rectangular permanent magnets. The results show that the proposed nonradial mounting of permanent magnets considere
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a661c1fd2966bf2340c43066be04bd32
https://doaj.org/article/5a71e81f5b6c4683b871aca0a8131283
https://doaj.org/article/5a71e81f5b6c4683b871aca0a8131283
Publikováno v:
Scientific Journal of Riga Technical University. Power and Electrical Engineering. 26:78-81
Analysis of a Permanent-Magnet Brushless DC Motor with Fixed DimensionsThe purpose of this paper is to describe the analysis of a permanent-magnet brushless DC motor with fixed outer diameter and active zone length. The influence of air gap, material
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5118b6debc1c546923534793c1fab95
https://doi.org/10.2478/v10144-010-0025-z
https://doi.org/10.2478/v10144-010-0025-z
Autor:
L. Lavrinovicha, J. Dirba
Publikováno v:
2014 Electric Power Quality and Supply Reliability Conference (PQ).
The paper deals with comparative analysis and equivalence determination of the brushless synchronous motors based on their torque per unit volume in power range from 1 kW to 2.5 kW. Novel designs of external-rotor surface-mounted permanent magnet syn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74e25db6e8367559950c49abe780fddb
https://doi.org/10.1109/pq.2014.6866817
https://doi.org/10.1109/pq.2014.6866817