New PDF release: DFIG-based Wind Power Conversion System

By Akshay Kumar

Master's Thesis from the 12 months 2014 within the topic Engineering - strength Engineering, grade: 7.8, Ajay Kumar Garg Engineering collage, direction: M.Tech, language: English, summary: Wind iteration has develop into an important trade power resource and has skilled elevated growth in India in past times decade. whereas it has nice power in its place to much less environmentally pleasant strength resources, there are many technical demanding situations that reason wind to be thought of negatively through many utilities. Wind power conversion platforms be afflicted by the truth that their genuine energy new release is heavily depending on the neighborhood environmental conditions.

The Doubly Fed Induction Generator (DFIG) established wind turbine with variable-speed variable-pitch keep watch over scheme is the most well-liked wind energy generator within the wind strength undefined. This computing device will be operated both in grid hooked up or standalone mode.

during this thesis, a close electromechanical version of a DFIG-based wind turbine hooked up to strength grid in addition to individually operated wind turbine process with varied sub-systems is constructed within the MATLAB/SIMULINK atmosphere and its similar generator and turbine regulate constitution is discovered. during this regard following configurations were considered:
•DFIG with Battery garage sub-system
•DFIG with Buck-Boost converter
•DFIG with transformer
•DFIG with 3-winding transformer
Addition of battery garage and buck-boost converter sub-systems into the process permits not just dispatching of generator energy but additionally decreases the variety of their reactive strength necessities. the whole regulate over either energetic and reactive strength is feasible via transformer among DFIG and rotor part converter.
The regular kingdom habit of the final wind turbine procedure is gifted and the regular nation reactive energy skill of the DFIG is analyzed. it's been proven that significant a part of the reactive energy will be provided from rotor part converter to minimize the general score of the generator.
The DFIG with above pointed out sub-systems is attached to grid. the whole harmonic distortion research and potency are performed. it truly is came upon that DFIG with transformer in among computing device and rotor facet converter has lowest THD (2.29%) and DFIG with 3-winding transformer has greatest potency (above 93%).

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Connected to Grid PDF

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Connected to Grid

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DFIG-based Wind Power Conversion System
Connected to Grid by Akshay Kumar


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