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Braking Scheme for Vector-Controlled Induction Motor Drives Equipped With Diode Rectifier Without Braking Resistor
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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1257-1263
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IEEE Transactions on Industry Applications, Volume 42, Issue 5
Abstract
This paper deals with sensorless vector control of PWM-inverter-fed induction motor drives equipped with a three-phase diode rectifier. An electronically controlled braking resistor across the dc link is not used. Instead, the power regenerated during braking is dissipated in the motor while a dc-link overvoltage controller limits the braking torque. Losses in the motor are increased by an optimum flux-braking controller, maximizing either the stator voltage or the stator current depending on the speed. Below the rated speed, the braking times are comparable to those achieved using a braking resistor. The proposed braking scheme is very simple and causes no additional torque ripple. Experimental results obtained using a 2.2-kW induction motor drive show that the proposed scheme works well.
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Hinkkanen, M. & Luomi, J. 2006. Braking Scheme for Vector-Controlled Induction Motor Drives Equipped With Diode Rectifier Without Braking Resistor. IEEE Transactions on Industry Applications. Volume 42, Issue 5. 1257-1263. ISSN 0093-9994 (printed). DOI: 10.1109/tia.2006.880852.