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Performance improvement of grid connected WECS with DFIG / Mohamed Rabah Yousif Amer ; Supervised Osama Ahmed Mahgoub

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mohamed Rabah Yousif Amer , 2016Description: 119 P. : plans , photographs ; 30cmOther title:
  • تحسين أداء نظم توليد الطاقة من الرياح المتصلة بالشبكة الكهربية عن طريق المولد الحثى ثنائى التغذية [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Electrical Power and Machines Summary: This thesis presents a new proposed MPPT algorithm that eradicates the problems that exist in the conventional hill-climbing searching (HCS) MPPT technique. The algorithm is simulated and implemented on a laboratory setup using a grid-connected wound rotor induction generator controlled from the rotor side. Experimental results show that the performance of the control algorithm compares well with the conventional HCS method. As well as, a proposed control algorithm for Grid side converter is presented to improve power quality, regulate grid voltage, and compensate non linear loads harmonics without sensing the non linear loads currents or over-rating the converters. An improved modification is applied to the control algorithm to minimize the DC bus fluctuation during severe wind speed variations. A new modulation technique is applied to the switching scheme of GSC to reduce grid current ripple without increasing the switching frequencies. The simulation and experimental results validate the effectiveness and viability of the proposed control schemes
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.07.Ph.D.2016.Mo.P (Browse shelf(Opens below)) Not for loan 01010110071266000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.07.Ph.D.2016.Mo.P (Browse shelf(Opens below)) 71266.CD Not for loan 01020110071266000

Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Electrical Power and Machines

This thesis presents a new proposed MPPT algorithm that eradicates the problems that exist in the conventional hill-climbing searching (HCS) MPPT technique. The algorithm is simulated and implemented on a laboratory setup using a grid-connected wound rotor induction generator controlled from the rotor side. Experimental results show that the performance of the control algorithm compares well with the conventional HCS method. As well as, a proposed control algorithm for Grid side converter is presented to improve power quality, regulate grid voltage, and compensate non linear loads harmonics without sensing the non linear loads currents or over-rating the converters. An improved modification is applied to the control algorithm to minimize the DC bus fluctuation during severe wind speed variations. A new modulation technique is applied to the switching scheme of GSC to reduce grid current ripple without increasing the switching frequencies. The simulation and experimental results validate the effectiveness and viability of the proposed control schemes

Issued also as CD

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