Open AccessLoad switching between main power grid to the backup grid by standard automatic transfer switch
Author(s) -
A. P. Chervonenko,
Denis A. Kotin,
A. V. Rozhko
Publication year - 2022
Publication title -
izvestiâ vysših učebnyh zavedenij. problemy ènergetiki
Language(s) - English
Resource type - Journals
eISSN - 2658-5456
pISSN - 1998-9903
DOI - 10.30724/1998-9903-2021-23-5-160-171
Subject(s) - computer science , backup , matlab , grid , transfer (computing) , electric power system , compensation (psychology) , asynchronous communication , control engineering , rotor (electric) , power (physics) , simulation , engineering , electrical engineering , psychology , computer network , physics , geometry , mathematics , quantum mechanics , database , parallel computing , psychoanalysis , operating system
PURPOSE. To develop a variant of the algorithm for the automatic input of the reserve, which consists in transferring the load in case of emergency situations, to make a simulation model in the MatLab® environment corresponding to the developed generalized electrical scheme of the system. METHODS. When solving the problem, the method of digital modeling was used, which consists in the maximum approximation of the system under study to a real object, implemented by means of MatLab. RESULTS. It is proposed to study the methods of synthesis of digital models of compensation of voltage drops by the example of a study of an automatic reserve transfer system, demonstrating an approach to modeling this system. When developing models in the MatLab environment, the parameters of real technical elements and devices and their digital analogues are taken into account. The issue of creating a digital model of an electric drive system, including a model of an asynchronous motor with a short-circuited rotor, is considered. The result, after final refinement, can be used to design a real system in production conditions. CONCLUSIONS. The developed model of the automatic transfer switch system is operable, the time indicators are satisfactory for systems that do not make excessive demands on performances and time intervals. For systems that are sensitive to current inrushes during load transfer, some improvements are required, which are reduced to the implementation of a high-speed automatic switch system. The development of this system is currently at the research stage, namely, the compilation of a load transfer logic that takes into account the phase matching of electrical circuits.