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Register a new userThe impact of wind farms on frequency stability of Syrian electrical power system
تأثير المزارع الريحية في استقرار تردد النظام الكهربائي السوري
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Damascus University ورقة بحثية
Publication date
2012
fields
Electrical Power Engineering
and research's language is
العربية
Created by
Shamra Editor
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هدف البحث إلى تحليل أثر المزارع الريحية في استقرار تردد الشبكة الكهربائية، و وصف أداء الشبكة السورية عند ربط مزارع ريحية في عدة مناطق من القطر السوري (القنيطرة - الهيجانة - غباغب) من خلال تقييم استقرار تردد نظام القدرة الكهربائية و زمن الفصل الحرج. درِس أثر المزارع الريحية في تردد الشبكة السورية و العوامل المرتبطة بذلك مثل تقنية التوليد عن طريق استبدال مصادر الطاقة المولدة بنوعين من المولدات التحريضية، و تغيير موقع ربط المزارع الريحية، و زيادة إسهام مصادر الطاقة المولدة من طاقة الرياح. طُبَقت الدراسة التحليلية على المنظومة الكهربائية السورية 230KV – 400KV باستخدام برنامج ال NEPLAN الذي يتميز باحتوائه على مكتبة واسعة لعناصر نظام القدرة الكهربائية و نماذج المولدات الريحية.
This study aims to analyze the effect of the wind farms on frequency stability of the electrical power network, and the description of the performance of Syrian Electrical Power System with integration of wind farms in several regions in Syria (Al-Quenetera – Al-Hejana - Ghabagheb) through the evaluation of frequency stability of the power system and the Critical Clearing Time (CCT). The effect of wind farms on the frequency behavior of Syrian network and factors related will be investigated such as generation technology by replacing the power-generated source by two main types of induction generators, changing the location of wind farms and increasing gradually the rate of wind power. The simulation analysis will be applied on Syrian Electrical Power System 230KV – 400KV, by using program NEPLAN, which gives access to an extensive library of grid components, and relevant wind turbine model.
References used
Prof. Dr. Ali Hamzeh, Prof. Dr. Kamal Naji, Prof. Dr. Samih jabi "Introduction To Renewable Energies", 2010-2011, Damascus University Publications, Faculty of Mechanical and Electrical Engineering
MATLAB / Simulink Sim power system Documentation / 2009. Available: http://www.mathwork.com
Ding Ming, Li Binbin, and Han Pingping Photovoltaic System Research Center of MOE, Hefei University of Technology, China "Impacts of Doubly-fed Wind Turbine Generator Operation Mode on System Voltage Stability" 2010 2nd IEEE
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Worldwide wind turbines have steadily increased. They are very different in nature from conventional
generators.
Induction generators in large scale are used in wind turbines for their simple construction and reliable
operation.
With the increase
in penetration of wind turbines, the power system dominated by synchronous
machines will experience a change in dynamics and operational parameters.
This paper aims to analyze the impact of induction generators on transient and small signal stability of
power systems by gradually increasing the rate of power generated by wind turbines and changing the
location of these turbines in the power system.
Efforts are being made to connect many wind farms to Syrian electrical network As of Wind turbine the
increases; their Cumulative impact on dynamic operational characteristics of power system will increase.
In this paper, the impact of constant spe
ed wind turbines utilizing squirrel cage induction generators, the
most worldwide spread nowadays, on the transient stability of Syrian power system is analyzed.
Various aspects have been considered like wind turbine penetration level, fault location on power system
overhead lines and network topology transforming.
Results of this study show that wind turbine farms planned to be connected to Syrian electrical network
will have significant impact in improving transient stability parameters (CCT,d).
As the wind turbine penetration level increases, their impact will increase, but still remain dependent on
the fault location and network topology transforming caused by double circuits of overhead lines.
As a result of the increasing demand of energy especially the electricity , all
countries in the world headed towards depending on the alternative energy instead of the
fossil one , one of these alternative energy is the wind energy which is genera
ted by wind
farms include a sufficient number of aerobic fans according to the required power .
In Syria , We don't deepened on This alternative energy , but the ministry of
electricity with meteorological drew and issued atlas of the wind in Syria. These forms are
distributed in five regions on the mainland according to the energy that could be generated,
without taking the Syrian territorial water and the continental shelf opposite the Syrian
shores into account.
So that we worked on drawing, identifying and creating an invest mental map for
wind farms on the Syrian shores situating at the following locations: 1.Raas Al-Bassit، 2-
Al-Snober،3- Al-Hamidieyd
After monitoring the wind ,currents and the hydrodynamic effects and forces in the
sea as important requirements which are taken into account for designing the foundations
and bases of the offshore wind fans to choose the best places for building the offshore wind
farms to give additional electrical energy , clean and friend of the environment.
This research is divided into theoretical and practical sections.
The theoretical section clarifies the importance of electrical
interconnection in frequency stability, which reports the most
important technical and economic benefits achieved for
the
electrical network stability in general and frequency stability by
the (EIJLLPST) project.
The practical section will introducea number of simulation on
the Syrian network for the year 2011 using the PSS/E, and rely
on this program after comparing the results with the results of
real situations, through the application of several incidents of
blackout occurred in the Syrian network (and archived of
frequency when they occur)
Where the experienced of this research was focus on the
importance of the spinning reserve, electrical interconnection
and the separation of electrical loads using underfrequency rely
To maintain the stability of electrical grid frequency in Syria
,and to avoid falling into undesirable values of frequency.
Today worldwide distributed generation (DG) takes a very important role in the operation of
distributed electric power systems. However, the existence of distributed generation may have
impacts on different topics, such as fault currents, fault pro
tection, coordination schemes or
fault location. If there is short-circuit in the system, the presence of one or more distributed
generators can affect the fault current levels, the monitoring of voltages and currents at the
substation. The main supply generation will not have to inject as much power to the line because
of the DG and, therefore, voltages and currents at the substation will be different from the ones
that would be measured without DG .
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