Prediction of Power Generation Performance of Wound Rotor Synchronous Generator Using Nonlinear Magnetic Equivalent Circuit Method

This paper presents a nonlinear magnetic equivalent circuit method and an electromagnetic characteristic analysis and verification of a wound rotor synchronous generator (WRSG). The reluctance generated by the stator, rotor, and air gap is subdivided to form a reluctance construction. A nonlinear ma...

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Bibliographic Details
Published in:Energies (Basel) 2021-10, Vol.14 (19), p.6190
Main Authors: Shin, Hyo-Seob, Kwon, Do-Yun, Woo, Jong-Hyeon, Lee, Hoon-Ki, Choi, Jang-Yong
Format: Article
Language:English
Subjects:
Electromagnetic properties
Equivalent circuits
Generators
Inductance
iteration method
nonlinear magnetic equivalent circuit (MEC)
Permeability
Rotors
wound rotor synchronous generator (WRSG)
Wounds
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Summary:This paper presents a nonlinear magnetic equivalent circuit method and an electromagnetic characteristic analysis and verification of a wound rotor synchronous generator (WRSG). The reluctance generated by the stator, rotor, and air gap is subdivided to form a reluctance construction. A nonlinear magnetic equivalent circuit (MEC) for the WRSG is constructed and solved by an iteration method. Moreover, to calculate the inductance of the generator, the reluctance circuit of the d−qaxis is constructed, and the inductance of the generator is obtained using the initial relative permeability of the material. Using the electromagnetic parameters obtained via the MEC method, the power generation characteristics of the generator are predicted. The results of this MEC method are also verified by comparing them with the finite element analysis (FEA) results and experimental results.
ISSN:1996-1073
1996-1073
DOI:10.3390/en14196190