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العنوان
Performance enhancement of grid-connected renewable energy systems using fACTS devices /
المؤلف
Mohamed, Soad Atef Abd Elmageed.
هيئة الاعداد
باحث / سعاد عاطف عبد المجيد محمد
مشرف / محمد مؤنس محمد سلامة
مناقش / محمد اسامة عبد الرؤوف
مناقش / حسام عبد الرزاق عبد الهادي
الموضوع
Performance enhancement of grid-connected.
تاريخ النشر
2022.
عدد الصفحات
100 P. :
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
الهندسة الكهربائية والالكترونية
تاريخ الإجازة
18/1/2023
مكان الإجازة
جامعة بنها - كلية الهندسة بشبرا - الهندسة الكهريائية
الفهرس
Only 14 pages are availabe for public view

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from 125

Abstract

With the world’s problems in terms of fuel, whether due to the high pressure on the
demand for it or the decrease in the quantities of available resources in addition to
the risk of environmental pollution from the combustion of those traditional
sources of coal, petroleum, and others, so the whole world turned to renewable
sources as an alternative to the traditional system, as well as in the new cities. In
Egypt, the majority of production is for the studied electricity For coastal and
desert places as a result of the expansion and going to remote places to wind and
solar energy and other renewable sources, as well as recently, the integration of
these sources has become a distinct thing to meet the needs of more loads, which
was done in many types of research, as well as the logic, which proved its
effectiveness, whether by merging two or more sources as well as in the presence
of the electric network or self-reliance and the use of batteries for areas outside the
electrical grid. The city of Ras Gharib is an encouraging place to set up a hybrid
renewable energy project due to the weather’s capabilities in terms of the
availability of wind and sunlight, its coastal location, and the availability of the
Red Sea. In this research, the component system is a solar system to meet the needs
of part of the whole load about 5.2 MW, and a doubly fed induction generator
(DFIG) wind system is used to meet the capacity of about 7.3 MW, and the
network shares about 1 MW. These shares were the best economic and technical
ratios, according to the results of the Hybrid Optimization Model for Electric
Renewable (HOMER) program used to choose the optimal values for each source
to achieve the lowest cost which was $0.15/kW In addition to the environmental
features and sensitivity as it is necessary to achieve the maximum benefit from the
Maximum Power Point Tracking (MPPT) investigation for the hybrid project
systems, the Incremental Conductance (IC) method was used with the DC-DC
boost converter and thus the proposed system succeeds in feeding the loads after using the inverter to convert the direct current to alternating current, but the use of
electronic switches, transformers, inverters, and others led to many distortions and
errors, as well as an increase in harmonics and disturbances in both current and
voltage signals, which affected the quality of the system. Therefore, the research
tended to improve through the introduction of a flexible alternating current
transmission system (FACTS). The Unified Power Flow Controller (UPFC) device
consists of two parts, one of them shunt, which used to pump the voltage and
adjust it in the conditions of disturbances and errors, and fade its increase or
decrease, and the other series which compensating the reactive power while trying
to balance it with the active power. With the connection between the two parts
through DC-link for initial regulation. Thus, the device optimized and reached the
target through the use of the fractional-order proportional-integral-derivative
)FOPID( controller, which decides the values of the signals required to treat
problems, whether swell, disturbance, or sag. Therefore, it was necessary to reach
the optimal parameters values for that controller. One of the artificial means was
relied upon, is the Atom Search Optimization (ASO) method. It set the five optimal
parameters of the controlling system, which helped the FOPID to optimize the
pumping of UPFC and control the use of its part, the shunt or the series.