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- درس دینامیک سیستم های قدرت (7)
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- Distributed Generator (DG); Protection Coordination; Distribution Network (1)
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- Effect of RDG (1)
- Fault Current Lev (1)
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Articles 1 - 26 of 26
Full-Text Articles in Engineering
دینامیک سیستم های قدرت, Hadi Zayandehroodi
دینامیک سیستم های قدرت, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
No abstract provided.
دینامیک سیستم های قدرت-بخش اول, Hadi Zayandehroodi
دینامیک سیستم های قدرت-بخش اول, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
No abstract provided.
دینامیک-بخش دوم, Hadi Zayandehroodi
دینامیک سیستم های قدرت- بخش چهارم, Hadi Zayandehroodi
دینامیک سیستم های قدرت- بخش چهارم, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
No abstract provided.
حفاظت پیشرفته سیستم های قدرت, Hadi Zayandehroodi
حفاظت پیشرفته سیستم های قدرت, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
این جزوه برای استفاده دانشجویان رشته برق قدرت طراحی شده است و دانشجویان در کلیه مقاطع می توانند ازمباحث این جزوه بهره مند گردند
قابلیت اطمینان- بخش سوم, Hadi Zayandehroodi
قابلیت اطمینان- بخش سوم, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
قابلیت اطمینان یک مشخصه ذاتی از هر محصول و یکی از پارامترهای طراحی محسوب می شود
دینامیک سیستم های قدرت - فصل سوم - قسمت سوم, Hadi Zayandehroodi
دینامیک سیستم های قدرت - فصل سوم - قسمت سوم, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
No abstract provided.
تمرین های فصل چهارم, Hadi Zayandehroodi
تمرین های فصل چهارم, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
تمرینهای فصل چهارم - کتاب ارزیابی قابلیت اطمینان سیستم های مهندسی - نوشته دکتر محسن رضائیان
قابلیت اطمینان-بخش دوم, Hadi Zayandehroodi
قابلیت اطمینان-بخش دوم, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
قابلیت اطمینان یک مشخصه ذاتی از هر محصول و یکی از پارامترهای طراحی محسوب می شود
شبکه های عصبی- فصل چهارم, Hadi Zayandehroodi
شبکه های عصبی- فصل چهارم, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
شبکه‌های عصبی سیستم‌ها و روش‌های محاسباتی نوینی هستند برای یادگیری ماشینی، نمایش دانش، و در انتها اعمال دانش به دست آمده در جهت بیش‌بینی پاسخ‌های خروجی از سامانه‌های پیچیده. ایدهٔ اصلی این گونه شبکه‌ها (تا حدودی) الهام‌گرفته از شیوهٔ کارکرد سیستم عصبی زیستی، برای پردازش داده‌ها، و اطلاعات به منظور یادگیری و ایجاد دانش قرار دارد.
کتاب مرجع حفاظت پیشرفته, Hadi Zayandehroodi
کتاب مرجع حفاظت پیشرفته, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
The Protection Engineer is concerned with limiting the effects of disturbances in a power system. These disturbances, if allowed to persist, may damage plant and interrupt the supply of electric energy. They are described as faults (short and open circuits) or power swings, and result from natural hazards (for instance lightning), plant failure or human error. To facilitate rapid removal of a disturbance from a power system, the system is divided into 'protection zones'. Protection relays monitor the system quantities (current and voltage) appearing in these zones. If a fault occurs inside a zone, the relays operate to isolate the …
دینامیک سیستم های قدرت - فصل دوم, Hadi Zayandehroodi
دینامیک سیستم های قدرت - فصل دوم, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
No abstract provided.
دینامیک سیستم های قدرت - فصل سوم - قسمت اول, Hadi Zayandehroodi
دینامیک سیستم های قدرت - فصل سوم - قسمت اول, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
No abstract provided.
روش تحقیق 2, Hadi Zayandehroodi
روش تحقیق 4, Hadi Zayandehroodi
روش تحقیق 3, Hadi Zayandehroodi
نحوه نگارش مقاله, Hadi Zayandehroodi
نحوه نگارش مقاله, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
موفقيت در انتشار مقاله های علمی و پژوهشی علاوه بر بهره مندی مؤلف آن از دانش تخصصی دربارۀ موضوع مورد مطالعه و تسلط بر مبانی نگارش، مستلزم آگاهی از قواعدی است كه آشنايی با اين قواعد از طريق آموزش اصول مقاله نويسی و ممارست در امر نگارش حاصل می شود.
Effect Of Renewable Distributed Generators On The Fault Current Level Of The Power Distribution Systems, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Masoud Farhoodnea, Marjan Mohammadjafari
Effect Of Renewable Distributed Generators On The Fault Current Level Of The Power Distribution Systems, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Masoud Farhoodnea, Marjan Mohammadjafari
Dr. Hadi Zayandehroodi
The presence of renewable distributed generator (RDG) in a distribution system will have unfavorable impact on the operating system because the distribution system is no longer radial in nature and is not supplied by a single main power source. With RDGs in a distribution network, it brings about a change in the fault current level of the system and causes many problems in the protection system, such as false tripping of protective devices, protection blinding, an increase and decrease in short-circuit levels. This paper presents the effect of RDGs on the fault current level of the system. The operating protection …
A Novel Neural Network And Backtracking Based Protection Coordination Scheme For Distribution System With Distributed Generation, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Masoud Farhoodnea
A Novel Neural Network And Backtracking Based Protection Coordination Scheme For Distribution System With Distributed Generation, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Masoud Farhoodnea
Dr. Hadi Zayandehroodi
With the increased installation of renewable energy based distributed generations (DGs) in distribution systems, it brings about a change in the fault current level of the system and causes many problems in the current protection system. Hence, effective protection schemes are required to ensure safe and selective protection relay coordination in the power distribution system with DG units. In this paper, a novel adaptive protection scheme is proposed by integrating fault location with protection relay coordination strategies. An automated fault location method is developed using a two stage radial basis function neural network (RBFNN) in which the first RBFNN determines …
Strategies For Enhancing Research Visibility And Improving Citations, Hadi Zayandehroodi
Strategies For Enhancing Research Visibility And Improving Citations, Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
Publishing a high quality paper in scientific journals is a halfway of receiving citation in the future. The rest of the way is advertising and disseminating the publications by using the proper “Research Tools”.
Thesis Template (Ukm-Style), Hadi Zayandehroodi
Thesis Template (Ukm-Style), Hadi Zayandehroodi
Dr. Hadi Zayandehroodi
No abstract provided.
Distributed Generator And Their Effects On Distribution System Protection Performance, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Marjan Mohammadjafari
Distributed Generator And Their Effects On Distribution System Protection Performance, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Marjan Mohammadjafari
Dr. Hadi Zayandehroodi
The connection of distributed generators (DGs) to distribution networks greatly influences the performance and stability of such networks. Though DGs have significant economic and environmental benefits, increased penetration of DGs will impose significant technical barriers for the efficient and effective operation of bulk power systems. Increased fault current contribution and load flow changes are the major two impacts on utility systems, and these will affect existing protective relaying, especially overcurrent relays. To ensure safe and selective protection relay coordination, the impact of DGs should be taken into account when planning DG interconnection. This paper presents an introduction of distributed generators …
Impact Of Distributed Generations On Power System Protection Performance, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Marjan Mohammadjafari
Impact Of Distributed Generations On Power System Protection Performance, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Marjan Mohammadjafari
Dr. Hadi Zayandehroodi
Though distributed generators (DGs) have significant economic and environmental benefits, increased penetration of DGs will impose significant technical barriers for the efficient and effective operation of bulk power systems. Increased fault current contribution and load flow changes are the major two impacts on utility systems, and these will affect existing protective relaying, especially overcurrent relays. To ensure safe and selective protection relay coordination, the impact of DGs should be taken into account when planning DG interconnection. This paper presents an introduction of DGs and an overview of the impacts of DGs on system protection relay coordination. Several protection issues are …
A Comprehensive Review Of Protection Coordination Methods In Power Distribution Systems In The Presence Of Dg, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Marjan Mohammadjafari
A Comprehensive Review Of Protection Coordination Methods In Power Distribution Systems In The Presence Of Dg, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Marjan Mohammadjafari
Dr. Hadi Zayandehroodi
This paper presents an overview of solutions proposed in the literature for the overcurrent relay coordination problem in the presence of distributed generators (DGs). Furthermore, several protection issues are identified to study the requirements for protection in the presence of DGs, and possible innovative solutions for resolving the operational conflicts between distribution networks and DGs are also discussed.
Word 2007 Training, Hadi Zayandehroodi
Automated Fault Location In A Power System With Distributed Generations Using Radial Basis Function Neural Networks, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Marjan Mohammadjafari
Automated Fault Location In A Power System With Distributed Generations Using Radial Basis Function Neural Networks, Hadi Zayandehroodi, Azah Mohamed, Hussain Shareef, Marjan Mohammadjafari
Dr. Hadi Zayandehroodi
High penetration of Distributed Generation (DG) units will have unfavorable impacts on the traditional fault location methods because the distribution system is no longer radial in nature and is not supplied by a single main power source. This study presents an automated fault location method using Radial Basis Function Neural Network (RBFNN) for a distribution system with DG units. In the proposed method, the fault type is determined first by normalizing the fault currents of the main source. Then to determine the fault location, two RBFNNs have been developed for various fault types. The first RBFNN is used for detraining …