Mathematical Modeling of the Electromagnetic Processes of the Corona’s Formation During the Operation of Electric Power Facilities

2021 ◽  
pp. 99-118
Author(s):  
Marina M. Rezinkina ◽  
Yevgen I. Sokol ◽  
Artur O. Zaporozhets ◽  
Oleg G. Gryb ◽  
Ihor T. Karpaliuk ◽  
...  
Keyword(s):  
Mathematical Modeling ◽  
Electric Power ◽  
Electromagnetic Processes

scholarly journals RESONANT ELECTROMAGNETIC PROCESSES AT UNSTABLE OPERATION OF SLIDING CURRENT COLLECTOR UNITS OF TURBOGENERATOR

2021 ◽  
Vol 3 ◽  
pp. 281-285
Author(s):  
Igor Plokhov ◽  
Igor Savraev ◽  
Alexander Ilyin ◽  
Oksana Kozyreva ◽  
Alexander Dementiev
Keyword(s):  
Mathematical Modeling ◽  
Current Collector ◽  
Current Collection ◽  
Electromagnetic Processes ◽  
Electromagnetic Oscillations

The article is devoted to study of the resonance electromagnetic oscillations arising during unstable operation of the sliding current collection unit of turbo-generators. Mathematical modeling of these processes is carried out. It has been established that it is these processes that are the main cause of increased sparking and “ring fire” or “breakdown of commutation” on contact rings.

scholarly journals MATHEMATICAL MODELING OF ELECTROMAGNETIC PROCESSES OF CYLINDRICAL SHIELDS

2016 ◽  
Vol 6 (4) ◽  
pp. 123-125
Author(s):  
A.G. Shcherbinin ◽  
◽  
A.S. Mansurov ◽  
A.A. Poroshin ◽  
◽  
...  
Keyword(s):  
Mathematical Modeling ◽  
Electromagnetic Processes

scholarly journals Optimization of management processes in the electric power industry based on mathematical modeling

KANT ◽  
2021 ◽  
Vol 38 (1) ◽  
pp. 17-23
Author(s):  
Nikolay Dmitrievich Dmitriev ◽  
Dmitriy Grigoryevich Rodionov ◽  
Sergey Alekseevich Zhiltsov
Keyword(s):  
Mathematical Modeling ◽  
Electric Power ◽  
Electric Power Industry ◽  
Power Industry ◽  
Economic Security ◽  
Individual Subject ◽  
Investment Funds ◽  
The Sustainable Development ◽  
Power Company ◽  
Management Processes

The paper deals with the problems in the electric power industry, do not allow us to ensure a sufficient level of competitiveness of the industry and each individual subject of the electric power industry, the threatens national security, in particular, the economic security of the state, and creates barriers to maintaining the sustainable development of territories. It is proposed to use the economic and mathematical modeling allowed us to determine the high importance of human resources in the final results of the electric power company, which makes it possible to consider the optimization of investment funds from the position of strengthening the focus of management processes in the field of personnel development.

scholarly journals Methodology and Models of Combined Modeling of Electromagnetic Pro-cesses in Electric Traction Systems

2021 ◽  
pp. 40-49
Author(s):  
T. M Mishchenko
Keyword(s):  
Electric Power ◽  
Correlation Functions ◽  
Correlation Equation ◽  
Transition Function ◽  
Electric Locomotive ◽  
Electromagnetic Processes ◽  
Electric Traction ◽  
Traction System ◽  
First Time ◽  
Identification Model

Purpose. The main purpose of the work is the development of identification models and a new method of modeling electromagnetic processes in electric traction systems with simultaneous consideration of all its subsystems, as well as several feeder zones of the electrified section. Methodology. To achieve this purpose, the methods of mathematical modelling, the basics of the theory of random processes and the methodology of their probabilistic-statistical processing, the methods for solving integral equations and analysis of electric traction circuits in electric traction systems are used. Findings. The requirements to be met by an adequate, stochastic identification model of electric traction devices are established. The solution of Fredholm’s integral correlation equation of the first kind is performed. The analytical expression of the identification dynamic model of the electric locomotive DE–1 is obtained and its adequacy is checked. The methodology of combined modeling of electromagnetic processes in devices and subsystems of electric traction systems is developed and presented tabularly. Originality. For the first time it is proposed to use the pulse transition function as identification models of traction substation and traction network with electric rolling stock in predictive modeling of electromagnetic and electric power processes in electric traction systems. A new method has been developed, a method of complex modeling of electromagnetic and electric power processes in the system of electric traction with simultaneous consideration of all its subsystems, as well as several inter-substation zones of the electrified section. For the first time, a method of partitioning the correlation functions for solving an integral correlation equation has been proposed, which allows defining a pulse transition function as an identification model of any subsystem of an electric traction system. Practical value. The developed identification models and the method of combined modeling make it possible to predict electromagnetic processes simultaneously in all feeder zones of the electrified section of the electric traction system. The obtained identification model of the electric locomotive DE–1 can be adapted with its subsequent use in modeling processes in the traction circuits of electric locomotives of other types. The method of factorization of correlation functions used in solving the Volterra integral correlation equation of the first kind (convolution type) can be adapted to the solution of other integral equations, which describe the processes in electric traction systems.

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