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DOI: https://doi.org/10.15407/techned2019.05.036

SUPPRESSION OF CURRENT HARMONICS FEEDING POWERFUL SINGLE-PHASE LOADS

Journal Tekhnichna elektrodynamika
Publisher Institute of Electrodynamics National Academy of Science of Ukraine
ISSN 1607-7970 (print), 2218-1903 (online)
Issue No 5, 2019 (September/Oktober)
Pages 36 – 42

 

Authors
I.V. Volkov*, V.P. Styazhkin**, P.P. Podeiko***
Institute of Electrodynamics National Academy of Sciences of Ukraine,
pr. Peremohy, 56, Kyiv, 03057, Ukraine,
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* ORCID ID : http://orcid.org/0000-0002-0696-0382
** ORCID ID : http://orcid.org/0000-0003-0602-1112
*** ORCID ID : http://orcid.org/0000-0001-9201-102X

Abstract

The hybrid filter of harmonics of the mains current of the power source of the electrothermal installation for the production of basalt super thin fiber (BSTF) in the heating mode of the draw plate is described. The filter uses a combined circuit of a passive broadband LMC filter cascaded with a transistor active filter. Mathematical modeling of such a filter and experimental verification of the effectiveness of harmonic suppression of the mains current are carried out. Experimental spectrograms and current diagrams were compared with similar simulation results, the models were confirmed to be adequate and can be used in the development of single-phase hybrid current-harmonic filters. References 8, figures 9, tables 3.

Key words: current harmonic factor, THDi, LMC-filter, active filter of parallel type, hybrid filter, thyristor controller, transformer, distortion compensation.

Received: 01.02.2019
Accepted: 08.02.2019
Published: 01.08.2019

 

References
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2. Styazhkin V.P., Podeiko P.P. Optimal control of the electro-technological unit for the production of basalt super-thin fiber. Visnyk Natsionalnoho Tekhnichnoho Universytetu KhPI. Tematychnyi vypusk: Problemy avtomatizirovannogo elektroprivoda. Teoriia i praktika. 2015. No 12 (1121). Pp. 124-127. (Rus)
3. Voldek A.I. Electrical machinery. Leningrad: Energiia, 1974. 839 p. (Rus)
4. IEC 61000-3-12:2011. Electromagnetic compatibility. Part 3-2: Limits. Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16A and ≤ 75A per phase.
5. Levin M., Volkov I. Universal Harmonic Mitigating System. Patent USA No 6127743, 2000.
6. Levin M., Volkov I. Harmonic mitigating device with magnetic shunt. Patent USA No 2006/0197385b A1, 2006.
7. Korn G. and Korn T. Handbook of mathematics for scientists and engineers. Moskva: Nauka, 1974. 832 p. (Rus)
8. Kolb A.A. Hybrid filters in power quality control devices. Elektromekhanіchnі і enerhozberіgayuchі systemy. 2012. No 3(19). Pp. 250-253. (Rus)

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