Abstract
In this paper, a novel vector control hysteresis current controller for induction motor drives is proposed. Coordination of three phase switches is made in the d-q phase plane. In addition to the current error, information of the current error derivative is further employed so that one can take full advantage of adding the zero voltage vector for reducing the switching frequency. A simple hardware implementation is also proposed such that merits of the conventional hysteresis current controller can still be kept. The theoretical basis and some simulation and experimental results are also covered in this context. >
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