Study and Stability Analysis of Leading Phase Operation of a Large Synchronous Generator

Yanling Lv, Yizhi Du, Qi Liu, Shiqiang Hou and Jie Zhang
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Yanling Lv: School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China
Yizhi Du: School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China
Qi Liu: School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China
Shiqiang Hou: School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China
Jie Zhang: Heilongjiang Electric Power Company Limited, Daqing Power Supple Company, Daqing 163458, China

Energies, 2019, vol. 12, issue 6, 1-14

Abstract: This paper proposes a two-dimensional finite element mathematical model taking the mf-15 simulation generator in the dynamic model laboratory as the research object. The electromagnetic performance of the motor under no-load and rated load was analyzed to verify the correctness of the model. By using the method of field-circuit coupling combined with simulation analysis, the limit value of the generator’s phase-in depth is determined, and the variation law of the electric and magnetic field distribution with the depth of the generator’s established Leading phase operation is analyzed, as well as the influence of the phase-in operation on the system’s operation stability. The results obtained provide a reference for the phase-in operation analysis of large generators.

Keywords: synchronous generator; finite-element analysis; field-circuit coupling; leading phase operation; stability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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