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Dip voltage fault detection and identification for wind generator turbine farm based on current vector trajectory analysis

This paper focuses on the voltage dip diagnosis in a Wind Generator Turbine Farm. The proposed approach is based on the analysis of the grid currents vector trajectory in the stationary reference frame. Two features are used; the diameter variation for fault detection and the angle deviation for fault isolation.

The approach is validated through simulation results of a two Doubly Fed Induction Generator and generalized for N Machines.