


Volume 20 No 20 (2022)
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Performance Analysis of WECS with Hill-Climbing MPPT Technique and Improved FRT Method
Vangala Ravalika, Lalu Mudavath, Dr. T. Anil Kumar
Abstract
Using a Hill-climbing maximum power point tracker and DFIG, to analyse the fault-tolerance of a
wind power system. There have been a number of reports of by using the Hill-Climbing Strategy to
improve the performance of their MPPT systems. Modalities such as incremental conductance and P
& O are also appropriate here. In this paper, a fault-ride through (FRT) system for a wind turbine with
a DFIG, which is resilient to symmetrical and unbalanced grid voltage sags due to the efficient use of
Hill-climbing (HC) maximum power point tracking (MPPT) control. In a wind energy conversion
system, this is accomplished via the rotor power converter system, which regulates the voltage across
the stator. The voltage dropssignificantly boosted by the FRT's capacity, allowing the stator and rotor
currents to be maintained at levels substantially below the minimum necessary for safe operation.
Since the new topology requires no additional hardware and the old one can be quickly changed, the
control system and its implementation are very cost-effective. The feasibility and practical benefits of
the proposed HC-MPPT and FRT control technique are shown by simulations of both large and small
scale WECS with DFIG.
Keywords
Wind energy conversion system, doubly-fed induction generator, hill-climbing maximum power point tracking, and fault ride through.
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