نتایج جستجو برای: power system control

تعداد نتایج: 3575889  

Journal: :IEEE Transactions on Energy Conversion 2021

This article presents a model predictive self-healing control (MPSC) scheme for battery system interfaced dual active bridge (DAB) converter in navy ship power (NSPS) with pulsed loads (PPLs). The voltage and frequency of NSPS are vulnerable to PPLs energization. A properly controlled fast dynamic response can mitigate this vulnerability. Model (MPC) is potential solution the DAB achieve distur...

This article agrees with recent arguments suggesting that normative and epistemic power is rife within global health policy and provides further examples of such. However, in doing so, it is argued that it is equally important to recognize that global health is, and always will be, deeply political and that some form of power is not only necessary for the system to advance, but also to try and ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده مهندسی برق و کامپیوتر 1392

درایوهای بدون جاروبک dc با توجه به بهره وری بالا، چگالی توان بالا، سهولت کنترل و نگهداری راحت‏تر، به طور گسترده ای در وسایل نقلیه الکتریکی و برنامه های کاربردی خودرو به عنوان موتور یا ژنراتور استفاده می شوند. ابتدا، این پایان نامه مروری بر جنبه های مختلف موتورهای bldc شامل ویژگی ها، مدل سازی، اینورترهای مورد استفاده و تحلیل روش های مختلف کنترلی و بیان نکات پیاده سازی درایو موتور bldc می پردازد....

H. Ghoudjehbaklou and H. Seifi, M.E. Hamedani Golshan,

Finding the collapse susceptible portion of a power system is one of the purposes of voltage stability analysis. This part which is a voltage control area is called the voltage weak area. Determining the weak area and adjecent voltage control areas has special importance in the improvement of voltage stability. Designing an on-line corrective control requires the voltage weak area to be determi...

H. Ghoudjehbaklou and H. Seifi, M.E. Hamedani Golshan,

Finding the collapse susceptible portion of a power system is one of the purposes of voltage stability analysis. This part which is a voltage control area is called the voltage weak area. Determining the weak area and adjecent voltage control areas has special importance in the improvement of voltage stability. Designing an on-line corrective control requires the voltage weak area to be determi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1388

چکیده ندارد.

محمدی, رضا, رسولی دیسفانی, وحید , رضوی, فرزاد , عسکریان ابیانه, حسین ,

Appropriate design and usage of Unified Power Flow Controller (UPFC), which has the ability of controlling the busbar voltage levels and transmission line power flows simultaneously, provide a suitable conditions to enhance operation of restructured power systems. In this paper, a novel control method using four degrees of freedom is represented for hysteresis based UPFC as well as a straight f...

Mahdi Akhbari, Mohammad Hassan Jafari Nadoushan

In this paper optimal torque control (OTC) of stand-alone variable-speed small-scale wind turbine equipped with a permanent magnet synchronous generator and a switch- mode rectifier is presented. It is shown that with OTC method in standalone configuration, power coefficient could be reached to its maximum possible value, i.e. 0.48. An appropriate control algorithm based on turbine characterist...

This paper presents a new control method for a three-phase four-wire Unified Power Quality Conditioner (UPQC) to deal with the problems of power quality under distortional and unbalanced load conditions. The proposed control approach is the combination of instantaneous power theory and Synchronous Reference Frame (SRF) theory which is optimized by using a self-tuning filter (STF) and without us...

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