Open AccessINFLUENCE OF REGIME AND OPERATIONAL FACTORS ON THE DAMPER SYSTEM OF THE SALI-ENT-POLE SYNCHRONOUS MACHINE ROTOR
Author(s) -
Ju.M. Vaskovskyi,
Олександр Анатолійович Гераскін,
pr. Peremohy
Publication year - 2021
Publication title -
tehnìčna elektrodinamìka
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.22
H-Index - 13
eISSN - 2218-1903
pISSN - 1607-7970
DOI - 10.15407/techned2021.02.047
Subject(s) - rotor (electric) , damper , eccentricity (behavior) , salient , structural engineering , field (mathematics) , control theory (sociology) , mechanics , engineering , computer science , mechanical engineering , physics , mathematics , law , control (management) , artificial intelligence , political science , pure mathematics
The physical processes in the damping system of the salient-pole synchronous machine rotor, which cause the gradual destruction of its structure, have been studied. In particular, the distributions of currents, temperatures and thermomechanical stresses in the damping system rods during its operation in asynchronous and asymmetric modes of operation, as well as in case of rotor eccentricity. A field mathematical model has been developed that takes into account the combined action of three physical fields of different nature: electromagnetic, temperaturic, and thermomechanical stress fields, and allows estimating heating and thermomechanical loads in the damping system of the rotor of the salient-pole synchronous machine. According to the results of the analysis, the heating and thermomechanical loads of the structural elements were determined and recommendations for its structural improvement were given. References 9, figures 9, tables 1.