- 21. Using a phase-differential busbar protection for switchgears of power system facilities
- (Electrical Complexes and Systems)
- ... differential current protection. It has a number of advantages and allows solving existing problems of protection operation caused by increased requirements for current transformers in differential busbar ...
- Created on 19 August 2019
- 22. Automatic control of electrical distribution network mode with the voltage unbalance
- (Electrical Complexes and Systems)
- ... Minimization of additional losses of electricity in electric networks by means of cross transformers. Enerhetyka: ekonomika, tekhnolohii, ekolohiia, 3, 7-14. 3. Sotnik, O. V. (2016). Analysis of technical ...
- Created on 16 June 2019
- 23. Peculiarities of the reactive power flow in the arc furnace supply circuit with improved electromagnetic compatibility
- (Electrical Complexes and Systems)
- ... at: <http://www.cired.net/publications/cired2011/part1/papers/CIRED2011_0337_final.pdf> [Accessed 9 February 2018]. 15. Varetsky, Y. and Gajdzica, M., 2015. Energizing arc furnace transformer ...
- Created on 24 April 2019
- 24. Limitation of oscillations of vibrating machines during start-up and shutdown
- (Geotechnical and mining mechanical engineering, machine building)
- ... group5> [Accessed 25 November 2017]. 4. Buryan, Yu. A., Sorokin, V. N., Silkov, M. V. and Galuza, Yu. F., 2015. Hydraulic inertial motion transformer with rubber-cord casing. Omsk Scientific ...
- Created on 03 March 2019
- 25. Perspectives of load management in energy system with the help of electric vehicles
- (Power Supply Technology)
- ... Key Factors on Oil-Transformer Ageing: Sustainability Benefits and Challenges. Energies, 8, pp. 12147-12186 [pdf]. Available at: <http://www.mdpi.com/1996-1073/8/10/ 12147/pdf/> [Accessed 3 ...
- Created on 17 November 2017
- 26. Research on effect of differential-phase protection of busbars system with voltage of 110‒750 kV
- (Electrical Complexes and Systems)
- ... Electromehanicheskie i energosberigaushie sistemi, 3, pp. 158‒166. 5. Rumiantsev, Yu.V., 2016. Integrated model for the study of the functioning of digital differential protection of power transformer. ...
- Created on 06 September 2017
- 27. Three-phase power supply for resistance welding machine with corrected power factor
- (Electrical Complexes and Systems)
- ... constant power to the load. To avoid RWM transformer biasing and to prevent saturation of its magnetic core, the polarity of the converter output voltage is periodically changed. Thus, the primary voltage ...
- Created on 06 September 2017
- 28. Converter for frequency-current slip-power recovery scheme
- (Electrical Complexes and Systems)
- ... 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 ...
- Created on 06 September 2017
- 29. Additional losses in the stator windings of the highspeed brushless electrical machine with permanent magnets
- (Power supply technologies)
- ... of leakage inductance in different winding arrangements for planar transformer. In: IEEE, International Conference on Power Electronics and Drive Systems. Taipei, Taiwan, 2–5 November, 2009, Taipei. 7. ...
- Created on 19 January 2017
- 30. Against overcurrent induction motor protection with direct winding temperature monitor at start
- (Electrical complexes and systems)
- ... 2010. – С. 61−71. Basov, N.M., Dzyuban, V.S., Kardash, V.V., Koshkin, V.E. and Shvecova, T.V. (2010), “New direction in creating mine explosion protected transformer substations ...
- Created on 04 February 2016
- 31. Induction motors protection against overcurrent taking into account nonlinear distortion of phase currents
- (Electrical complexes and systems)
- ... (2010), “New direction in creating mine explosion protected transformer substations for low voltage up to 3300 V”, Vzryvozashchishchennoye Elektrooborudovaniye, pp. 61–71. Жежеленко И.В. ...
- Created on 05 November 2015
- 32. Induction motors protection against overcurrent taking into account nonlinear distortion of phase current
- (Electrical complexes and systems)
- ... transformer substations for low voltage up to 3300 V”, Explosion Protected Electrical Equipment, pp. 61–71. Жежеленко И.В. Высшие гармоники в системах электроснабжения промпредприятий; 4-е ...
- Created on 27 October 2015
- 33. Network faults impact on operation of NOM-10 voltage transformers
- (Electrical complexes and systems)
- ... Lviv, Ukraine Ye.Yu. Hushchyn, National University “Lviv Polytechnic”, postgraduate student, Lviv, Ukraine Abstract: Purpose. To study electromagnetic processes in NOM-10 transformer ...
- Created on 29 March 2015
- 34. Device for measuring voltage transformers protection from ferroresonance processes in network with isolated neutral point
- (Electrical complexes and systems)
- ... in networks with isolated neutral point. Identifying the features of the transient ferroresonance processes. Development of the algorithm and protective device for voltage transformers against ferroresonance ...
- Created on 13 November 2014
- 35. Modelling of electromagnetic processes in transformer windings under the influence of internal network overvoltage
- (Electrical complexes and systems)
- ... of Electrical Supply to Industry, Cities and Agriculture, Lviv, Ukraine Abstract: Purpose. Formation of the transformer mathematical model that adequately recreates electromagnetic processes ...
- Created on 13 November 2014
- 36. New paradigm of the explosion-proof power equipment loading abilities use in coal mines
- (Power supply technologies)
- ... are used for transformer substations load spreading determination; the technocenosis theory is used for rank and kind spreading principles determination. Findings. A new technology of transformer substations ...
- Created on 21 March 2014
- 37. Application of 35 kilovolt voltage for underground power consumers supply systems of deep power-intensive mines
- (Environmental safety, labour protection)
- ... transformer’ allowing to refuse the 35/6 kV distribution device and meet existing general and specialized requirements of maintenance and safety. We have presented theoretical substantiation of the selective ...
- Created on 26 February 2013
- 38. Mathematical modeling of free voltage oscillations on transformer windings taking into account winds mutual induction under surge overvoltage
- (Electrical complexes and systems)
- ... Stations, Lviv, Ukraine Abstract: Purpose. To create a mathematical model for study of wave processes in the transformer windings with mutual induction between their coils and the solution of ...
- Created on 26 February 2013
- 39. Loading ability of power transformers of distributing electric networks in urban villages
- (Power supply technologies)
- ... loadings. Calculations of temperature operating modes of transformers and deterioration of insulation of their windings have been executed. Inefficient use of loading ability of transformers has been revealed. ...
- Created on 26 December 2012
- 40. Determination of losses from the high-frequency current pulsations of power active compensators
- (Power supply technologies)
- Authors: A.A. Kolb On the basis of analysis of chart of substitution and vector diagram of transformer in the mode of the forced magnetizing of secondary winding of pulsating ...
- Created on 26 December 2012