SENSORLESS POSITION MEASUREMENT IN SYNCHRONOUS RELUCTANCE MOTOR
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A new discrete position sensor elimination technique for a sinusoidally wound synchronous reluctance motor drive is presented. The proposed technique determines the rotor position at zero crossing of the phase currents. The rotor position between the zero crossings is determined by applying extrapolation. The proposed technique works well at all speeds, including zero speed. This technique can be used in both vector controlled and conventional constant Volts/Hertz type of motor controllers. 1994 IEEE