DOI: https://doi.org/10.15407/techned2020.04.051
USING THE CONCEPT OF POWER FACTOR FOR ESTIMATING THE DEVICES EFFICIENCY FOR CORRECTION OF NETWORKS TRANSITIONAL MODES
Journal |
Tekhnichna elektrodynamika |
Publisher |
Institute of Electrodynamics National Academy of Science of Ukraine |
ISSN |
1607-7970 (print), 2218-1903 (online) |
Issue |
No 4, 2020 (July/August) |
Pages |
51 - 54 |
Authors O.I. Chyzhenko, O.M. Popovych*, I.V. Trach**, O.B. Rybina Institute of Electrodynamics National Academy of Science of Ukraine, Peremohy ave., 56, Kyiv, 03057, Ukraine, e-mail:
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,
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, igor.trach@іed.org.ua,
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* ORCID ID : https://orcid.org/0000-0002-9238-5782 ** ORCID ID : https://orcid.org/0000-0002-3345-2324
Abstract
The expansion of the concept of power factor, that defined for circuits with periodic voltage and currents, to three-phase circuits with asymmetric non-periodic voltage and currents is justified. It is shown that this concept is advisable both when considering transients these occur in electric networks in the start-up modes of powerful asynchronous machines, and when evaluating the effectiveness of the use of various technical devices for these modes for correcting. References 6, figures 2.
Key words: power factor, circuits of asymmetrical non-periodic voltages and currents, estimation of efficiency of modes correction means of electric network.
Received: 04.03.2020 Accepted: 06.04.2020 Published: 26.06.2020
References 1. Drechsler R. Measurement and evaluation of the quality of electric power with asymmetric and non-liner load. Moskva: Energoatomizdat, 1985. 112 p. (Rus) 2. Artemenko M.Yu,, Kaplun V.V., Bobrovnyk V.M., Polishchuk S.Y. Active filters application for energy losses reduction in three-phase power supply systems. Teknichna Elektrodynamika. 2018. No 4. Pp. 53-56. DOI: https://doi.org/10.15407/techned2018.04.053 (Ukr) 3. Atabekov G.I. Theoretical foundations of electrical engineering. Linear electrical circuits. Vol. 1. Moskva: Enerhyia, 1978. 592 p. (Rus) 4. Schrader H.J. Zur Definition der Scheinleistung in Drehstromnetzen. Zeitschrift fur Instrumentkunde. 1965. Sv. 73. Es. 11. S. 293-298 (Germ) DOI: https://doi.org/10.1007/BF01956001 5. Chyzhenko O.I., Rybina O.B., Trach I.V. Semiconductive regulator for managing the network modes running in direct start of the asynchronal machine of the comparable capacity. Pratsi Instytutu electrodynamiky Natsionalnoi Academii Nauk Ukrainy. 2019. No 54. Pp.95-102. DOI: https://doi.org/10.15407/publishing2019.54.095 (Ukr) 6 Butkevych O.F., Chyzhenko O.I., Popovych O.M., Trach I.V. An influence of the FACTS upon an electrical network’s mode during direct start-up asynchronous machine in the complex load’s composition. Teknichna Elektrodynamika. 2018. No 6. Pp. 62-68. DOI: https://doi.org/10.15407/techned2018.06.062 (Ukr)
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