Calculation of Airgap Flux Density and Circuit Parameter in Linear Induction Motor driven by Inverter

인버터로 운전되는 리니어 모터에서의 공극자속밀도 및 회로정수 산정

In this paper, approximate means of estimating the flux and torque levels in an induction motor is discussed. There exists several method that is used directly by flux meter and flux sensing coils in the airgap. Most of these methods are sensitive to motor parameter value changes. Also, the harmonics in the motor voltage and current due to the nonsinusodial inverter waveform cause errors in the estimated torque. Finally, this result is applicated in arch type linear induction motor for study of noise and vibration.