Abstract
The vector control of an induction machine is among the most used controls, the inter-turn short-circuit fault is a very common fault in this type of machine. Vector controllers use current regulators that are highly insensitive to internal disturbances and can therefore mask the onset of a short-circuit fault. In this article we propose simulations allowing to study the behavior of the indirect field-oriented control when an inter-turn short-circuit fault appears. The primary aim of this article is a comparative study of the effect of this type of defect on estimated quantities such as rotor flux, slip and electromagnetic torque. The results of the simulation show that these estimated quantities can be used as fault indicators instead of the stator currents. The results of this comparative study also show that the ripple of the estimated rotor flux is a very good indicator of this type of fault in this type of regulator-machine association.
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