Controlled Power Point Tracking for Power Balancing in PMSG based Wind Energy Conversion System

Shubham, K and Nikhil, B and Detroja, Ketan P (2014) Controlled Power Point Tracking for Power Balancing in PMSG based Wind Energy Conversion System. In: 5th International Symposium on Advanced Control of Industrial Processes (ADCONIP -2014), May 2014, Hiroshima, Japan.

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Abstract

With the increasing penetration of wind energy into power system, wind energy conversion systems (WECSs) should be able to control the power flow for limited as well as maximum power point tracking. In contrast to the traditional pitch angle control, this paper focusses on field oriented speed control of permanent magnet synchronous generator (PMSG) for controlling the active power flow based on the wind turbine characteristics. In this paper a back to back AC/DC/AC topology is implemented for interfacing the WECS to the distribution network with various power electronic interfaces providing the necessary control over the power flow. The proposed control strategy can provide power balancing and reserve capacity without use of expensive energy storage devices like batteries. Simulations are carried out under varying load demand as well as changing weather conditions to demonstrate the applicability and effectiveness of the proposed control strategy.

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