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This paper proposes the position sensorless drive system for PMSM, in which the inverter is controlled by a six- step square-wave operation at high speed in order to increase the torque and power at high speed region and expand the operating range. The speed and position are estimated based on the estimation of an extended electromotive force, and the sensorless control is achieved not only in the...
This paper proposes an output maximization control for a wind generation system with a variable speed interior permanent magnet synchronous generator (IPMSG). The generator torque is controlled according to the generator speed by employing maximum power point tracking control. The IPMSG current vector is controlled so as to minimize the generator losses and maximize the output power while considering...
This paper proposes a high-powered control of sensorless PMSM drive by applying a square-wave operation at high-speed. The sensorless control is based on the estimation of an extended electromotive force (EMF) in the rotating reference frame, and the sensorless control is applied not only in the current vector control region by the PWM control of the inverter but also in the square-wave operating...
This paper proposes an output maximization control for a wind generator system with a variable speed interior permanent magnet synchronous generator (IPMSG). The generator torque is controlled according to the generator speed by employing maximum power point tracking control. The IPMSG current vector is controlled so as to minimize generator losses and maximize output power while considering converter...
This paper proposes an output maximization control for a wind generation system with a variable speed interior permanent magnet synchronous generator (IPMSG). The generator torque is suitably controlled according to the generator speed by employing maximum power point tracking control. The IMPSG current vector is controlled so as to minimize generator losses and maximize output power while considering...
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