High Performance Adjustable-Speed Induction Motor Drive System Incorporating Sensorless Vector Controlled PWM Inverter with Auto-Tuning Machine-Operated Parameter Estimation Schemes


Vol. 3, No. 2, pp. 99-114, Apr. 2003
10.6113/JPE.2003.3.2.99


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 Abstract

This paper presents a feasible development on a highly accurate quick response adjustable speed drive implementation for general purpose induction motor which operates on the basis of sensorless slip frequency type vector controlled sine-wave PWM inverter with an automatic tuning machine parameter estimation schemes. In the first place, the sensorless vector control theory on the three-phase voltage source-fed inverter induction motor drive system is developed in slip frequency based vector control principle. In particular, the essential procedure and considerations to measure and estimate the exact stator and rotor circuit parameters of general purpose induction motor are discussed under its operating conditions. The speed regulation characteristics of induction motor operated by the three-phase voltage-fed type current controlled PWM inverter using IGBT's is illustrated and evaluated for machine parameter variations under the actual conditions of low frequency and high frequency operations for the load torque. In the second place, the variable speed induction motor drive system, employing sensorless vector control scheme which is based on three-phase high frequency carrier PWM inverter with automatic tuning estimation schemes of the temperature-dependent and -independent machine circuit parameters, is practically implemented using DSP-based controller. Finally, the dynamic speed response performances for largely changed load torque disturbances as well as steady state speed vs. torque characteristics of this induction motor control implementation are illustrated and discussed from an experimental point of view.


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Cite this article

[IEEE Style]

K. Soshin, Y. Okamura, T. Ahmed, M. Nakaoka, "High Performance Adjustable-Speed Induction Motor Drive System Incorporating Sensorless Vector Controlled PWM Inverter with Auto-Tuning Machine-Operated Parameter Estimation Schemes," Journal of Power Electronics, vol. 3, no. 2, pp. 99-114, 2003. DOI: 10.6113/JPE.2003.3.2.99.

[ACM Style]

Koji Soshin, Yukihiko Okamura, Tarek Ahmed, and Mutsuo Nakaoka. 2003. High Performance Adjustable-Speed Induction Motor Drive System Incorporating Sensorless Vector Controlled PWM Inverter with Auto-Tuning Machine-Operated Parameter Estimation Schemes. Journal of Power Electronics, 3, 2, (2003), 99-114. DOI: 10.6113/JPE.2003.3.2.99.