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Transfer function-based modelling for voltage oscillation phenomena in PWM motor drives with long feeding cables
- Transfer function-based modelling for voltage oscillation phenomena in PWM motor drives with long feeding cables
- Lee, Sang-Choel; Park, Ju H.
- DGIST Authors
- Lee, Sang-Choel
- Issue Date
- International Journal of Electronics, 97(4), 457-473
- Article Type
- Cables; Computer Software; Counting Circuits; Electric Drives; Electric Lines; Feeding; Inverter Output Filter; Long Feeding Cable; Motor Drive; Motor Terminal Filter; Motor Terminals; Output Filters; Over-Voltage; Over-Voltages; Pulse Modulation; Pulse Width Modulation; PWM Motor Drive; Reflection; Reflection Coefficient; Reflection Coefficients; Transfer Functions; Transmission Line; Transmission Line Theory; Voltage Control
- In this article, a transfer function-based modelling is proposed to investigate voltage oscillation phenomena, i.e. over-voltage at the motor terminal, associated with pulse-width modulation (PWM) inverter-fed motor drives with long feeding cables. As such, the long feeding cable is assumed to be a distortionless transmission line; then, a bounce diagram and time-harmonic method are utilised to derive a simple model with a minimum computational burden that is easy to realise using the Matlab/Simulink software package. Furthermore, the model takes account of the inverter output and the motor terminal filters, which are commonly used to suppress the motor terminal over-voltage. The model accuracy is verified by a comparison with the circuit-oriented software, OrCAD/PSpice, simulation results. © 2010 Taylor & Francis.
- Taylor and Francis Ltd.
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