Modeling of power losses in contact systems of low-voltage switching devices
https://doi.org/10.25206/1813-8225-2023-186-126-133
Abstract
The article studies the dependences of active power losses in contacts and contact systems of circuit breakers, contactors and magnetic starters on the main parameters of electrical equipment. Models of functional dependences of active power losses on nominal current for low-voltage switching devices of some manufacturers are developed. Approximation functions of these characteristics have been compiled and the value of determination coefficient of the obtained functions of active losses and approximation error have been calculated. Graphical dependences of the investigated parameters of low-voltage equipment are presented.
About the Authors
A. R. Petrov
Kazan State Power Engineering University
Russian Federation
Russian Federation
PETROV Almaz Radikovich, Graduate Student of Power Supply of Industrial Enterprises Department, Institute of Electric Power and Electronics
Kazan
E. I. Gracheva
Kazan State Power Engineering University
Russian Federation
Russian Federation
GRACHEVA Elena Ivanovna, Doctor of Technical Sciences, Associate Professor, Professor of Power Supply of Industrial Enterprises Department, Institute of Electric Power and Electronics
Kazan
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Review
For citations:
Petrov A.R., Gracheva E.I. Modeling of power losses in contact systems of low-voltage switching devices. Omsk Scientific Bulletin. 2023;(2):126-133. (In Russ.) https://doi.org/10.25206/1813-8225-2023-186-126-133
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