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This paper proposes a full-order terminal sliding-mode based energy saving control for the grid-connected converter of induction motor systems. DC-link voltage and currents controllers of the converter are designed respectively using the full-order terminal sliding manifold and the related control strategies. The chattering in the sliding-mode control is attenuated, and continuous control signals...
Soft starter is the equipment which can control AC motor startup safely. It can not only effectively eliminate the impact on the state grid and the load and torque in the powertrain of the motor, but also improve service life of the AC motor. For these reasons, soft starter is widely used in our working which is related closely with induction motors. Above all, in order to control the AC motor starting...
A DTC-SVM sensorless induction motor control system based NPC three-level is presented in this paper. In order to maintain high performance of the system, accurate stator flux is necessary. A novel phase compensation stator flux observer is proposed in the paper. Furthermore, a three-level phase voltage reconstruction algorithm is proposed as the base of the high precision flux observer firstly in...
A DTC-SVM sensorless induction motor control system based NPC three-level is presented in this paper. In order to maintain high performance of the system, accurate stator flux is necessary. A novel phase compensation stator flux observer is proposed in the paper. Furthermore, a three-level phase voltage reconstruction algorithm is proposed as the base of the high precision flux observer firstly in...
This paper presents a power compensator for high power loads to reduce voltage fluctuations at the point of common-coupling (PCC) and to compensate the reactive power drawn from the utility grid. In addition, the device may also be used to compensate current harmonics of nonlinear loads. Since the maximum amplitude variations in the supply currents become minimized, the compensator provides a possibility...
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