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이상용(S.Y. Lee),강병희(B.H. Kang),채영민(Y.M. Chae),목형수(H.S. Mok),초규하(G.H. Choe),김덕근(D.K. Kim),류재성(J.S. Ryu) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
A brushless DC motor has the high quality of torque output and silence, has been more widely used in industrial area. As the driver and controller of BLDC motor have been more complicated and precise, simulation method has been much used m motor design. And the output characteristics of BLDC motor is determined by the waveform of BACK-EMF in instinct. But because the conventional model of BLDC motor is obtained by approximation of real nonlinear waveform to ideal trapezoidal waveform, the error is occurred in slmulation result. Thus in this paper, for the correction of this error in simulation, the model of real nonlinear waveform considered is proposed, and the simulation result is obtained in case of three-phase, four-poles Y-connected, surface mounted permanent magnet BLDC motor.