A universal vector controller for induction motor drives fed by voltage-controlled voltage source inverter

In this paper, a new universal vector controller (UVC) for induction motor drives fed by a voltage-controlled voltage source inverter (VSI) is presented. It is shown in this paper that various vector controllers, including rotor-flux oriented controller, (RFOC), stator-flux oriented controller, (SFOC), and air-gap flux oriented controller, (AFOC), can be realized by simply changing a few parameters. The details of the theoretical background relevant to the development of the UVC is fully explored in this paper. Furthermore, it is demonstrated by experimental results that the developed UVC for various vector control approaches can be implemented using the same hardware with minor change to the software associated with parameters; and thereby confirming the theoretical analysis