상호 포화를 포함한 자기저항 동기 전동기의 자속 포화 모델에 대한 정지 상태 추정 기법Standstill Identification of Magnetic Flux Saturation Model Including Cross-Saturation for Synchronous Motors
- Other Titles
- Standstill Identification of Magnetic Flux Saturation Model Including Cross-Saturation for Synchronous Motors
- Authors
- 우태겸; 박상우; 최승철; 윤영두; 이학준; 홍찬욱; 이정준
- Issue Date
- Oct-2021
- Publisher
- 전력전자학회
- Keywords
- Cross-saturation; LSM (Least Square Method); Self-saturation; Standstill
- Citation
- 전력전자학회 논문지, v.26, no.5, pp.364 - 371
- Indexed
- KCI
- Journal Title
- 전력전자학회 논문지
- Volume
- 26
- Number
- 5
- Start Page
- 364
- End Page
- 371
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/140724
- DOI
- 10.6113/TKPE.2021.26.5.364
- ISSN
- 1229-2214
- Abstract
- A magnetic flux saturation model of Synchronous Reluctance Motors (SynRMs) and a parameter estimation method are proposed at standstill. The proposed magnetic flux model includes the nonlinear relationship between the current and the magnetic flux for self-saturation and cross-saturation. Voltage is injected at standstill to estimate the magnetic flux saturation model. Voltages are injected into the d-axis and q-axis to obtain data on self-saturation. Subsequently, voltages are simultaneously injected into the d-q axis to obtain data on cross-saturation. On the basis of the measured current and the calculated magnetic flux, the parameters of the proposed model are estimated using the least square method (LSM). Simulation and experiment were performed on a 1.5-kW SynRM to verify the proposed method. The proposed model can be used to create a high-efficiency operation table, a sensorless algorithm, and a current controller to improve the control performance of a motor.
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