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Title: Rotor Flux Oriented Sensorless Induction Motor Drive for Low Power Applications
Authors: Mohanty, K B
Routray, A
De, N K
Issue Date: 2002
Publisher: IIT Roorkee
Citation: Proceedings of the International Conference on Computer Applications in Electrical Engineering: Recent Advances, Roorkee, February 21-23, 2002, P 747-752
Abstract: This paper presents a new rotor flux oriented linearizing control with speed estimation scheme for adjustable speed induction motor (IM) drive. In this scheme, rotor flux oriented vector control is used to linearize the IM drive, and decouple torque and flux. Also, a stator flux based flux estimator is used to estimate the synchronous speed. The motor speed is estimated by measuring only two line currents and two line voltages. A moving average algorithm is used to filter the ripples in the estimated speed. Proportional-cum-Integral controllers are designed for sensorless speed control. Simulation studies show that the sensorless speed control scheme can achieve fast transient response and at the same time maintain a wide speed control range.
Description: Copyright for the paper belongs to IIT Roorkee
Appears in Collections:Conference Papers

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