DOI: https://doi.org/10.15407/techned2020.03.036
EQUIVALENCE OF "VECTOR" AND "PROPORTIONAL" CONTROLLING METHODS FOR ACTIVE POWER FILTER
Journal |
Tekhnichna elektrodynamika |
Publisher |
Institute of Electrodynamics National Academy of Science of Ukraine |
ISSN |
1607-7970 (print), 2218-1903 (online) |
Issue |
No 3, 2020 (May/June) |
Pages |
36 - 39 |
Authors D.V.Tugay1*, G.G.Zhemerov2**, Yu.P.Kolontaevsky1, S.I.Korneliuk1*** 1- O.M. Beketov National University of Urban Economy in Kharkiv, Marshal Bazhanov str., 17, 61002, Kharkiv, Ukraine, e-mail:
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2- National Technical University Kharkov Polytechnic Institute, Kirpichov str., 2, 61002, Kharkiv, Ukraine, e-mail:
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* ORCID ID : https://orcid.org/0000-0003-2617-0297 ** ORCID ID : https://orcid.org/0000-0002-3469-0121 *** ORCID ID : https://orcid.org/0000-0001-9885-1724
Abstract
The equivalence of "vector" based on transformations of p-q-r instantaneous power theory and "proportional" based on proportional-vector power theory methods of control systems synthesis for three-phase four-wire power supply system parallel power active filter is proved. New calculated ratios to determine the compensator currents, which allow to take into account the nonlinearity and asymmetry of both the phase network voltages and the phase load currents are obtained. It is shown that the transition from a structural diagram of a control system based on classical transformations of p-q-r instantaneous power theory to a structural diagram based on the coefficient of proportionality calculation between the module of the network voltage spatial vector with partial weakening of the zero sequence component and the module of the constant component projection of the load current vector on the axis "p", allows more than twice to reduce the number of mathematical operations required to implement control algorithms for the same quality compensation. References 5, figures 1.
Key words: power active filter, control system, algorithm, power theory.
Received: 28.02.2020 Accepted: 31.03.2020 Published: 05.05.2020
References 1. Kim H., Blaabjerg F., Bak-Jensen B., Choi I. Instantaneous power compensation in three-phase systems using p-q-r theory. IEEE Trans. Power Electronics. 2002. Vol. 17. No. 5. Pp. 701–710. DOI: http://doi.org/10.1109/TPEL.2002.802185 2. Bialobrzheskyi O.V., Vlasenko R.V. Interrelation of a Clarke and Fortescue transformation for the three-phase asymmetrical electrical network. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2016. No 5. Pp. 67 – 74. (Ukr) 3. Tugay D., Zhemerov G., Kotelevets S., Shkurpela A. Parallel power active filter new control technique based on modified p-q-r power theory. Visnyk Natsionalnogo Tekhnichnoho Universytetu KhPI. 2019. No 20 (1345). Pp. 173 – 182. DOI: http://doi.org/10.20998/2409-9295.2019.20.22 (Ukr) 4. Fryze S. Active, reactive and apparent power in circuits with non-sinusoidal voltage and current. Przeglad Elektrotechniczny. 1931. № 7-8. Pp. 193 – 203. 5. Polishchuk S.Y., Artemenko M.Yu., Mykhalskyi V.M., Batrak L.M., Shapoval1 I.A. Shunt active filter control strategy with partial decrease of zero-sequence voltage in three-phase four-wire system. Tekhnichna Elektrodynamika. 2013. No 3. Pp. 12 – 19. (Ukr)
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