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

Hyo-Seob Shin, Do-Yun Kwon, Jong-Hyeon Woo, Hoon-Ki Lee and Jang-Yong Choi
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Hyo-Seob Shin: Department of Electrical Engineering, Chungnam National University, Daejeon 34134, Korea
Do-Yun Kwon: Low Voltage Motor Department, Hyundai Electric & Energy Systems Co., Ltd., Yongin 16891, Korea
Jong-Hyeon Woo: Department of Electrical Engineering, Chungnam National University, Daejeon 34134, Korea
Hoon-Ki Lee: Department of Electrical Engineering, Chungnam National University, Daejeon 34134, Korea
Jang-Yong Choi: Department of Electrical Engineering, Chungnam National University, Daejeon 34134, Korea

Energies, 2021, vol. 14, issue 19, 1-10

Abstract: 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 − q axis 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.

Keywords: wound rotor synchronous generator (WRSG); nonlinear magnetic equivalent circuit (MEC); iteration method (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: 2021
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