Sensorless Control for a PM Synchronous Motor in a Single Piston Rotary Compressor

Kwan-Yuhl Cho

Sensorless Control for a PM Synchronous Motor in a Single Piston Rotary Compressor

Kwan-Yuhl Cho

Vol. 6, No. 1, pp. 29-37, Jan. 2006

10.6113/JPE.2006.6.1.29

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Abstract

A sensorless control for an IPM (Interior Permanent Magnet) synchronous motor in a single piston rotary compressor is presented in this study. The rotor position is estimated from the d-axis and q-axis, current errors between the real system and a motor model of the position estimator. The torque pulsation of the single piston rotary compressor is compensated to reduce speed ripples, as well as, mechanical noise and vibration. The proposed sensorless drive enables the compressor to operate at a lower speed which increases energy savings and reduces mechanical noise. It also gives high speed operations by a flux weakening control for rapid air-cooling and heating of the heat pump air-conditioners.

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Cite this article

[IEEE Style]

K. Cho, "Sensorless Control for a PM Synchronous Motor in a Single Piston Rotary Compressor," Journal of Power Electronics, vol. 6, no. 1, pp. 29-37, 2006. DOI: 10.6113/JPE.2006.6.1.29.

[ACM Style]

Kwan-Yuhl Cho. 2006. Sensorless Control for a PM Synchronous Motor in a Single Piston Rotary Compressor. Journal of Power Electronics, 6, 1, (2006), 29-37. DOI: 10.6113/JPE.2006.6.1.29.