- 1. Using nonlinear ultrasonic measurements to estimate parameters of the sedimentation of slurry solid phase in thickener
- (Content №2 2023)
- ... of the process of propagation of a controlled ultrasonic signal in the thickener; this leads to modulation of the generated ultrasonic packet and, consequently, the appearance of higher harmonics. To obtain ...
- Created on 28 April 2023
- 2. Increasing the energy efficiency of modes of distribution networks with photovoltaic stations
- (Content №1 2023)
- ... to equipment from the action of higher harmonic components. Granting the established regularities of higher harmonics influence will allow one to take into account the impact of the relevant indicators ...
- Created on 25 February 2023
- 3. Need of technical accounting at electric energy quality reduction under conditions of AC traction substation
- (Content №3 2021)
- ... power factor are noted. Based on the calculation of additional losses from current higher harmonics in the cable line, it has been established that the current load of the line can be reduced by 10% while ...
- Created on 23 June 2021
- 4. Mathematical modeling of power supply reliability at low voltage quality
- (Content №2 2021)
- ... change are built depending on the load level. Keywords: power quality, power supply systems, higher harmonics, reliability, electromagnetic compatibility, modeling. References. 1. Papaika, Yu., Pivnyak, ...
- Created on 29 April 2021
- 5. Method for optimization of switching frequency in frequency converters
- (Content №1 2021)
- ... in the power switches of the inverter on the switching frequency and the dependence of power losses in the windings of an induction motor on the higher harmonics of currents, which also depend on the switching ...
- Created on 05 March 2021
- 6. The analytic-field method for calculating the squirrel-cage induction motor parameters
- (Contens №3 2020)
- ... of which differ significantly from the experimental ones. The aim of the article is to develop methods (based on field calculations) which take into account eccentricity, saturation, and higher harmonics ...
- Created on 02 July 2020
- 7. DC link power supply system of electric drill
- (Content №1 2020)
- ... (2), 93-98. 4. Plakhtiy, А. (2018). Analysis of power loss caused by higher harmonics in electrical supply systems. Bulletin of NTU “KhPI”. Series: New solutions in modern technologies, 26(1302), ...
- Created on 10 March 2020
- 8. Innovative technique for evaluating electric power distortion in cable transmission line
- (Content №1 2020)
- ... (IGESC), Long Beach, CA, (pp. 41-46). https://doi.org/10.1109/IGESC.2014.7018638. 3. Plakhtii, А. (2018). Analysis of power loss caused by higher harmonics in electrical supply systems. Bulletin of ...
- Created on 10 March 2020
- 9. Active single-phase four-quadrant rectifier with improved hysteresis modulation algorithm
- (Electrical Complexes and Systems)
- ... is observed, namely, the decrease in the amplitudes of the higher harmonics of the input current and the reduction of the resulting harmonic distortion coefficient. Originality. It is established ...
- Created on 26 October 2019
- 10. A voltage loss preliminary estimation in ac busbars
- (Power Supply Technologies)
- Authors: Yu.S.Bezverkhnia, orcid.org/0000-0002-8779-2615, Zaporizhzhia National Technical University, Zaporizhzhia, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. Abstract: Purpose. The development ...
- Created on 19 August 2019
- 11. Analysis of the energy efficiency of a two-level voltage source inverter in the overmodulation mode
- (Electrical Complexes and Systems)
- ... of the overmodulation mode in a two-level voltage source inverter will ensure maximum sinusoidality of output current and minimize additional power losses in the load from higher harmonics. In addition, ...
- Created on 19 August 2019
- 12. Investigation of the influence of higher harmonic curves on the calculated loading of the network solar electric station with 30 kW power
- (Power Supply Technology)
- ... of higher harmonics on the electric load of an object with nonlinear electrical receivers, which receive electricity from the inverter of a network solar station. Methodology. Measuring and modeling ...
- Created on 11 March 2018
- 13. Interharmonics in power supply systems
- (Power Supply Technology)
- ... of the obtained solutions allows making a quantitative estimation of levels of interharmonics and higher harmonics as the markers of the voltage quality. The approximate formula for assessing interharmonics ...
- Created on 11 January 2018
- 14. Increasing reliability and energy efficiency of electrically driven drilling units
- (Power supply technologies)
- ... does not contain an inadmissible level of higher harmonics, but asymmetry of currents and voltage decreasing at the electric rotation downhole motor terminals in operation modes occur. Practical value. ...
- Created on 21 May 2017
- 15. Induction motors protection against overcurrent taking into account nonlinear distortion of phase currents
- (Electrical complexes and systems)
- ... of most significant higher harmonics currents RMS. Originality. A possibility of extending the implemented protection list of circuit breakers trip units based on the digital processing of signals ...
- Created on 05 November 2015
- 16. Induction motors protection against overcurrent taking into account nonlinear distortion of phase current
- (Electrical complexes and systems)
- ... which causes to additional losses and heating of the stator winding. It uses the simplest and widely used in protective relaying mathematical apparatus determining of most significant higher harmonics ...
- Created on 27 October 2015