Abstract
ABSTRACT The wind generation system shares a significant portion of power to the grid, hence, it is necessary for the wind systems to remain coupled to the grid under any circumstances. Earlier wind systems were permissible to detach under any disorders and protection issues. Nonetheless, the disconnection of the wind system affects the stability of the entire grid. In order to overcome those issues, some ride-through schemes should be implemented. The objective of the proposed paper is to provide an effective ride through a scheme with lower cost for doubly fed induction generator based wind energy conversion system. The proposed method includes a non-superconducting DC fault current limiter placed in between the rotor side converter and grid side converter, which effectively restricts the rotor over current, stator over current, DC link voltage, and electromagnetic torque within their safety limit. The effectiveness of the paper is revealed by comparing the result obtained using three phase resistive-super conducting fault current limiter with the conventional vector control scheme. Also, the proposed method is predicated to be cost effective than other FRT techniques.
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