Rotor Current Control of DFIG Using Pi, Fuzzyand Fuzzy-Pi Controllers


Authors : M. Vineeth Kumar; T.R. Jyothsna

Volume/Issue : Volume 6 - 2021, Issue 7 - July

Google Scholar : http://bitly.ws/9nMw

Scribd : https://bit.ly/2VWPL6h

Doubly Fed Induction machines (DFIM) are very widely used to control the power flow in the power system. DFIM operating in generating mode is used to penetrate the active power into the power system. DFIG is driven by wind turbine that rotates at wind speed which is dynamic in nature. So a proper fast and accurate acting controller is required to operate the generator at the desired conditions. A new PI- Fuzzy logic controller is used to meet the desired specifications with least possible over/under shoots, settling time and steady state error. PIfuzzy controller modulatespulse width given to rotor side converter of DFIG. The performance of the proposed controller is compared individually with both PI and Fuzzy logic controllers. The advantages of the proposed controller are described. The proposed PI-fuzzy based controlled and wind turbine driven DFIG can be used as a good decentralized and distributed generator which is useful as part of green and environmental friendly energy sector.

Keywords : Doubly fed Induction Generator (DFIG), PIFuzzy controller, Rotor Side Converter (RSC)

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