Analysis and Control of Grid Connected DFIG Under Sub & Super Synchronous Modes of Operation
Journal Title: International Journal of Trend in Scientific Research and Development - Year 2018, Vol 2, Issue 2
Abstract
The most reliable system in the present scenario for effective use of the wind power is grid integrated Doubly Fed Induction Generator (DFIG). The implementation of a simple power converter arrangement in the rotor circuit for variable speeds has been proposed. Depending on wind speed, a DFIG based variable speed wind turbine is capable of operating in sub-synchronous or super-synchronous mode of operation using power electronic converters. The power flow in the rotor circuit is controlled for controlling the stator power in both the modes of operation by effecting rotor voltage through IGBT in sub-synchronous mode whereas in super-synchronous mode it is controlled by current sequence through LCI. The complete system has been modeled Using MATLAB/SIMULINK blocks and simulation study has been conducted, the operation of the proposed scheme is illustrated at different operating conditions i.e. above and below synchronous speeds. T. Suhasini | M. Mohana Rekha"Analysis and Control of Grid Connected DFIG Under Sub & Super Synchronous Modes of Operation" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-2 , February 2018, URL: http://www.ijtsrd.com/papers/ijtsrd9568.pdf http://www.ijtsrd.com/engineering/electrical-engineering/9568/analysis-and-control-of-grid-connected-dfig-under-sub-and-super-synchronous-modes-of-operation/t-suhasini
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