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N. Ntsadu
During an exceedance of the voltage unbalance limit at a busbar there is a need to determine which entity is causing the problem between Eskom, wind farms and other entities that can influence the voltage unbalance at the busbar. There were voltage unbal...
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In this paper, a decoupled model of a train including an on-board hybrid accumulation system is presented to be used in DC traction networks. The train and the accumulation system behavior are modeled separately, and the results are then combined in orde...
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Oleksandr Plakhtii,Volodymyr Nerubatskyi,Nadiia Karpenko,Olha Ananieva,Hryhorii Khoruzhevskyi,Vitaliy Kavun
Pág. 19 - 27
Multi-level autonomous voltage converters are increasingly used in industry, specifically: in wind and solar energy generation, high-voltage substations, in industrial and traction electric drives. In comparison with two-level inverters, multilevel inver...
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O. O. Matusevich
Pág. 75 - 85
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P. Ye. Mykhalichenko
Pág. 95 - 99
In the article a new procedure of choice of minimum current jump for action of fast-acting switches of 3.3 kV DC traction substations intended for the use in the microprocessor protection system of feeders is described. This procedure is more perfect tha...
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V. H. Sychenko,D. O. Bosyj
Pág. 82 - 87
Research results of voltage modes at traction substation buses in primary, regional and traction network are presented in the article. Numeric characteristics of probability density distributions are obtained. Autocorrelation functions of positive and ne...
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Sh. N. Nasyrov
Pág. 53 - 57
In the article the architecture and algorithm of operating an expert system providing the efficiency of functioning the electric equipment for traction substation as well as the four-parameter belonging function are determined.
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Yu. P. Goncharov,V. V. Zamaruev,V. V. Ivahno,R. I. Liubych,N. V. Panasenko
Pág. 56 - 60
The structure of traction substation 3,2 kV DC power source is considered. It is shown that the output filter choke of traction substation with voltage added converter may be excluded. A dynamic model of voltage added converter is developed, its features...
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Yu. P. Goncharov,V. V. Zamaruev,V. V. Ivahno,N. V. Panasenko,V. V. Bozhko,P. D. Andryenko,I. I. Lahuta
Pág. 61 - 66
The results of analytical research and computer design of the anomalous, steady-state and transitional modes related to the resonance in the input filter of voltage added converter based on IGBT with the PWM are presented. The ways of resonance removal b...
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