Optimal Design of a Grid-Connected-to-Rotor Type Doubly Fed Induction Generator for Wind Turbine Systems

You, Yong-Min; Lipo, T.Α.; Kwon, Byung-il

doi:10.1109/tmag.2012.2200667

Cited by 37 publications

(16 citation statements)

References 8 publications

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“…The approxim results of the sampling points is modeled us method. The optimal points of the design v obtained using a GA and the optimal desig verified by the FEA [10]. The objective function is used and the constraints are the efficie initial model, as described in ( function and constraints, the desig which were the notch (a) position the notch (b) position angle and s and Fig.…”

Section: Fem Based Parametric Analysismentioning

confidence: 99%

Cogging torque reduction of single-phase brushless DC motor with a tapered air-gap using optimizing notch size and position

Kim

Park

Cho

2014

2014 IEEE Energy Conversion Congress and Exposition (ECCE)

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This paper reports a stator shape optim for reducing the cogging torque of single-phase motor adopting an asymmetric air-gap to ma starting. Time step 2D-finite element analysis (FE out to analyze the characteristics of a single-phas motor. To reduce the cogging torque and maintai and torque, the Kriging model based on La sampling (LHS) and a genetic algorithm (GA) we optimal design result, the cogging torque on the was reduced. Finally, the analysis and optimal were confirmed by FEA and the experimental resu I.978-1-4799-5776-7/14/$31.00 ©2014 IEEE

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Section: Fem Based Parametric Analysismentioning

confidence: 99%

Cogging torque reduction of single-phase brushless DC motor with a tapered air-gap using optimizing notch size and position

Kim

Park

Cho

2014

2014 IEEE Energy Conversion Congress and Exposition (ECCE)

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“…To obtain a reliable optimal design result, a large number of DOE have to be carried out. However, the conventional method of manually performing the process was complicated and time consuming, and thus the number of DOE was limited [10][11][12][13][14][15][16][17][18]. However, using the automated DOE process proposed in this study, not only can the DOE be easier but also the number of DOE can be dramatically increased, resulting in high reliability of the optimal design result.…”

Section: Introductionmentioning

confidence: 99%

“…Most of the previous studies have been applied to optimal design using metamodel generated in one way. There have been a lot of optimizations recently using a single metamodeling technique such as Kriging and response surface method [10][11][12][13][14][15][16][17][18]. However, since a suitable metamodel is different according to each design problem and condition, it is necessary to select the best metamodel through accuracy evaluation after generating several metamodels.…”

Section: Introductionmentioning

confidence: 99%

Optimal Design of PMSM Based on Automated Finite Element Analysis and Metamodeling

You

2019

Energies

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To obtain accurate optimal design results in electric machines, the finite element analysis (FEA) technique should be used; however, it is time-consuming. In addition, when the design of experiments (DOE) is conducted in the optimal design process, mechanical design, analysis, and post process must be performed for each design point, which requires a significant amount of design cost and time. This study proposes an automated DOE procedure through linkage between an FEA program and optimal design program to perform DOE easily and accurately. Parametric modeling was developed for the FEA model for automation, the files required for automation were generated using the macro function, and the interface between the FEA and optimal design program was established. Shape optimization was performed on permanent magnet synchronous motors (PMSMs) for small electric vehicles to maximize torque while maintaining efficiency, torque ripple, and total harmonic distortion of the back EMF using the built-in automation program. Fifty FEAs were performed for the experimental points selected by optimal Latin hypercube design and their results were analyzed by screening. Eleven metamodels were created for each output variable using the DOE results and root mean squared error tests were conducted to evaluate the predictive performance of the metamodels. The optimization design based on metamodels was conducted using the hybrid metaheuristic algorithm to determine the global optimum. The optimum design results showed that the average torque was improved by 2.5% in comparison to the initial model, while satisfying all constraints. Finally, the optimal design results were verified by FEA. Consequently, it was found that the proposed optimal design method can be useful for improving the performance of PMSM as well as reducing design cost and time.

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“…Also, the DFIG rotor‐tied configuration proposed in Ref. , wherein the rotor is directly connected to the grid, is considered in this paper. This configuration allows the design of an RT operating at a higher frequency (grid frequency) than the normal slip frequency of the DFIG's rotor.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of a single‐phase 50‐Hz axial rotary transformer for DFIG systems

Zietsman

Gule

2017

IEEJ Transactions Elec Engng

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In this paper, a comprehensive analytical design methodology for a single-phase axial rotary transformer (RT) is presented. The proposed procedure is designed to yield the minimum RT volume or size while at the same time offer adequate efficiency. Furthermore, the proposed methodology is used in the design and evaluation of a 1.2-kVA single-phase axial RT. The developed prototype proved that the methodology leads to a significant reduction in size as compared to a prototype designed using standard methods. The measured efficiency of this transformer is found to be 91.4%. The presented design methodology can be easily extended to a three-phase RT that can be applied in place of slip rings in brushless doubly fed induction generators (DFIGs). This could reduce maintenance downtime in the operation life of the DFIG.

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Optimal Design of a Grid-Connected-to-Rotor Type Doubly Fed Induction Generator for Wind Turbine Systems

Cited by 37 publications

References 8 publications

Cogging torque reduction of single-phase brushless DC motor with a tapered air-gap using optimizing notch size and position

Cogging torque reduction of single-phase brushless DC motor with a tapered air-gap using optimizing notch size and position

Optimal Design of PMSM Based on Automated Finite Element Analysis and Metamodeling

Evaluation of a single‐phase 50‐Hz axial rotary transformer for DFIG systems

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