An energy efficient electric drive of air units
Keywords:converter, fan unit, energy efficiency, pressure, pulse regulating
Purpose. Improving the efficiency and energy performance of an asynchronous electric drive for stationary fan’s units of the main ventilation line of mines.
Methodology. The research was carried out using the methods of the theory of electrical circuits, mathematical physics, simulation, interpolation and approximation
Findings. The research of electromagnetic and energy processes in the asynchronous electric drive system with pulse control at a fan load, taking into account the variable aerodynamic parameters of the main ventilation line of mines. An electric drive system is able to respond with high accuracy and reliability to changes in the aerodynamic parameters of the main ventilation line of mines has been proven. This will also increase the power factor of the electric drive at a fan load up 0.8 to 0.93 p.u., and the efficiency up 92.5% to 94.5%, when regulating in the range of the operating slip of the rotor of the drive fan motor = 0.5 ÷, which, respectively, is on average up 0,25% to 40 higher in comparison with systems of an unregulated electric drive. Recommendations has been developed for the design and rational selection of the rated fan capacity for the main ventilation line to advance the best energy efficiency level of the electric drive.
Originality. The research of electro-mechanical, electro-energy power and aerodynamic processes in the dynamic modes of the fan electric drive was carried out. The fan-loaded "induction motor-converter" system has been proven to be self-regulating. It is able to respond with high accuracy and reliability even at low switching frequencies of the power chopper to any changes of the aerodynamic parameters of the main ventilation line of mines.
Practical value. Recommendations has been developed for the design and rational selection of the rated fan capacity for the main ventilation line to advance the best energy efficiency level of the electric drive.
Mazin, V. A., Olhovskiy O. V., Kostenko V. A. (2008). Reduction of power consumption for ven-tilation of the mines. Ugol Ukrainyi, 8, 19–21.
Varenik E. A., Omelchenko N. A., Dubinsky A. A., Labeznik R. M. (2010). Energy saving concept for stationary installations in coal mines. Ugol Ukrainyi, 3, 7-20/
Onischenko, G. B. (1967). Wound-rotor slip recov-ery system. Moscow, Energiya, 152
Braslavskiy I. Ya., Ishmatov Z.Sh., Polyakov V.N. (2004). Energy-saving asynchronous electric drive. Moscow, Akademiya, 256
Volkov I. V., Stiazhkin S.V., Podolnyi S. V. (2009). System of stabilized current for automated electric drives. Trudih Instituta Elektrodinamiki NAN Ukrainih, 23, 64-72
Kotsur M. I., Andrienko P. D., Kotsur I. M. (2012). Features of the operating modes of the modified pulse control system of an induction motor with a wound rotor. Electromechanical and energy sav-ing systems, 3(19), 163-165
Kotsur M.I., Andrienko P.D., Kotsur I. M., Bliznya-kov O.V. (2017). Converter for frequency-current slip-power recovery scheme. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 4, 49-54
M. Kotsur, D. Yarymbash, I. Kotsur, Yu. Bezverkh-nia (2018). Speed Synchronization Methods of the Energy-Efficient Electric Drive System for Induc-tion Motors. IEEE: 14th International Conference on Advanced Trends in Radioelectronics, Tele-communications and Computer Engineering (TCSET), February 20-24, Lviv-Slavske, Ukraine, 304-307 DOI:10.1109/TCSET.2018.8336208
Kotsur M. I., Andrienko P. D., Kotsur I. M. (2013)l Comparative analysis of energy efficiency of con-trol systems for an induction motor with a wound rotor. Polzunovskiy vestnik, 4(2), 114-120
Kopylov, I. P. (2001)l Mathematical modeling of electrical machines. Moscow, Vysshaya shkola, 327
Yarymbash, D., Kotsur, M., Subbotin, S., Oliinyk, A. A (2017). New Simulation Approach of the Electromagnetic Fields in Electrical Machines. IEEE: The International Conference on Infor-mation and Digital Technologies, July 5th - 7th, Zilina, Slovakia, Catalog Number CFP17CDT-USB, 452-457 DOI: 10.1109/DT.2017.8024332
M. Kotsur, D. Yarymbash, S. Yarymbash, I. Ko-tsur (2017). A New Approach of the Induction Motor Parameters Determination in Short-Circuit Mode by 3D Electromagnetic Field Simulation. In-ternational Young Scientists Forum on Applied Physics and Engineering (YSF), October 17th - 20th, Lviv, Ukraine, 207-210 DOI:10.1109/YSF.2017.8126620
Chermalyih, V. M., Chermalyih A. V, Danilin A. V, Maydanskiy I. Ya. (2009). Operating modes simulation of the electromechanical systems with considering of the load type. VIsnik KDPU Imeni Mihayla Ostrogradskogo, 4 (57), 107-111
Kotsur, M. I., Kotsur, I. M., Andrienko, A. A., & Andrienko, D. S. (2016). Determination of the op-timal switching frequency of the power switches of the frequency-current asynchronous-gate cascade converters. Electrical Engineering and Power Engineering, (1), 5–11. https://doi.org/10.15588/1607-6761-2016-1-1
Antoshchenko N.I., Kalyuzhny V.V., Koptikov V.P., Tynda G. B., Andrienko P. D., Sadovoy A. V. (2014). A new approach to the regulation of venti-lation in coal mines. Ugol Ukrainyi, 3, 29–32.
Leonharn, W (1985). Control of Electric Drives Springer. Berlin, Verlag, 123
Bose, B. (1988). Power electronics and AC drive. Manchester, Englewood Cliffs, 456
How to Cite
This work is licensed under a Creative Commons Attribution 4.0 International License.
Creative Commons Licensing Notifications in the Copyright Notices
Authors who publish with this journal agree to the following terms:
Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under aCreative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work.