Науковий вісник НГУ

Converter for frequency-current slip-power recovery scheme

• 
• 

User Rating:  / 0

PoorBest 

Details

Category: Electrical Complexes and Systems

Last Updated on 06 September 2017

Published on 06 September 2017

Hits: 3971

Authors:

M.I.Kotsur, Cand. Sc. (Tech.), Assoc. Prof., Zaporizhzhia National Technical University, Zaporizhzhia, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.

P.D.Andrienko, Dr. Sc. (Tech.), Prof., Zaporizhzhia National Technical University, Zaporizhzhia, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.

I.M.Kotsur, Cand. Sc. (Tech.), Assoc. Prof., Zaporizhzhia National Technical University, Zaporizhzhia, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.

O.V.Blyzniakov, Cand. Sc. (Tech.), Assoc. Prof., Zaporizhzhia National Technical University, Zaporizhzhia, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract:

Purpose. Development of analytical expressions which allow determining the relation between the parameters and voltage amplification factor of the converter for impulse frequency-current slip-power recovery scheme.

Methodology. Solution of a set of second order linear differential equations based on the analysis of transients under switching of power gates in the converter for impulse frequency-current slip-power recovery scheme.

Findings. A system of electric drive for impulse frequency-current slip-power recovery scheme is proposed. It combines positive features of classic system for impulse control and slip-power recovery scheme with improved performances of power efficiency. The calculation procedure for amplification factor and parameters of the frequency-current slip-power recovery drive is developed. At desired voltage amplification factor, it allows finding transformation ratio for matching transformer. The expression is obtained which allows determining the minimum value of the time delay of the inverter of the converter, at which a stable operation during start-up is provided. The dependence of voltage amplification factor on equivalent resistance of the converter for frequency-current slip-power recovery scheme is found.

Originality. The relation between voltage amplification factor and equivalent resistance value of the converter for frequency-current slip-power recovery scheme which allows determining its best level of energy efficiency is established.

Practical value. The procedure for preliminary determination of the parameters of the converter for frequency-current slip-power recovery scheme is developed. It allows selecting the value of voltage amplification factor of the converter rationally and finding transformation ratio for matching transformer. The expression is obtained which allows determining the minimum value of the time delay of the inverter of the converter, at which a stable operation during start-up is provided. These findings can be used in engineering design of the converter for frequency-current slip-power recovery scheme both for high-voltage electric drives applied in stationary fan installations for the main lines of mine ventilation and low-voltage drives for materials-handling machines.

References

1. Yarymbash, D.S. and Oleinikov, A.M., 2015. On specific features of modeling electromagnetic field in the connection area of side busbar packages to graphitization furnace current leads. Russian Electrical Engineering, 86(2), pp. 86‒92.

2. Yarymbash, D.S., 2015. Research on electromagnetic and thermoelectric processes in the AC and DC graphitization furnaces. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 3, рр 95–102.

3. Yarymbash, D.S., Yarymbash, S.T. and Kylymnyk, I.M., 2012. Identification of electrical parameters of powerful short-circuit laminated packs. Electrical Engineering and Power Engineering, [e-journal] 2, pp. 55‒61. http://dx.doi.org/10.15588/1607-6761-2012-2-10.

4. Yarymbash, D.S., Yarymbash, S.T, Divchuk, T.E. and Kylymnik, I.M., 2016. Determination features of the power transformer short circuit parameters through field modeling. Electrical Engineering and Power Engineering, [e-journal] 1, pp. 12‒17. http://dx.doi.org/10.15588/1607-6761-2016-1-2.

5. Pivnyak, G.G. and Volkov, A.V., 2006. Modern Frequency Controlled Asynchronous Electric Drives with Pulse-Width Modulation. Dnipropetrovsk: Natsionalnyyi girnychiyi Universytet.

6. Antoshchenko, N.I., Kaliuzhnyi, V.V., Kotikov, V.P., Tynda, G.B., Andrienko, P.D. and Sadovoi, A.V., 2014. New Approach to control of coil mines ventilation. Ugol Ukrainy, 3, pp. 29–32.

7. Onishchenko, G.B., 2006. Electric Drive. Мoscow: Publishing House “Academia”.

8. Volkov, I.V., Stiazhkin, S.V. and Podolnyi, S.V., 2009. System of stabilized current for automated electric drives. Pratsi Instytuta Elektrodynamiki NAN Ukrainy, 23, pp. 64‒72.

9. Kotsur, M.I., Kotsur, I.M. and Blyzniakov, A.V., 2015. Increase in effectiveness of reversible braking mode realization of the wound-rotor induction motor. Eastern-European Journal of Enterprise Technologies, [e‑journal] 1(8), pp. 27‒30. DOI: http://dx.doi.org/10.15587/1729-4061.2015.36670.

10. Pereverzev, A.V., 2004. Characteristics of Stepping-up Converters for Uninterruptible Power Supply Systems. Technyhchna Elektrodynamika, Tematychnyyi vypusk “PSE-2004” in 7 parts, pp. 80‒86.

04_2017_Kotsur
2017-09-05  246.73 KB  933

• Next >