نتایج جستجو برای: electric frequency control

تعداد نتایج: 1860062  

2016
Fei Teng Yunfei Mu Hongjie Jia Jianzhong Wu Pingliang Zeng Goran Strbac

As the integration of wind generation displaces conventional plants, system inertia provided by rotating mass declines, causing concerns over system frequency stability. This paper implements an advanced stochastic scheduling model with inertia-dependent fast frequency response requirements to investigate the challenges on the primary frequency control in the future Great Britain electricity sy...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی برق 1387

افزایش وابستگی زندگی مدرن امروز به تجهیزات الکتریکی و سیستم های کامپیوتری، نیاز به سیستم های تغذیه توان با قابلیت اعتماد بالا را ضروری ساخته است. این نیاز در مورد بارهای بحرانی از قبیل بیمارستان ها ، سیستم های مخابراتی، مراکز اطلاعاتی وغیره بیشتر احساس می شود، به گونه ای که قطع تغذیه چنین بارهائی مستلزم بهره گیری از سیستم های تغذیه توان بدون وقفه (ups) به عنوان واحد رزرو تغذیه کننده این بارها ا...

Abbas Ketabi Mohammad Shahidehpour Sahbasadat Rajamand

Microgrids are nowadays used to produce electric energy with more efficiency and advantage. However, the use of microgrids presents some challenges. One of the main problems of the microgrids widely used in electrical power systems is the control of voltage, frequency and load sharing balance among inverter- based distributed generators (DGs) in islanded mode. Droop method performance degra...

2015
Hui Ye Austen Curcuru

BACKGROUND Cells exhibit distortion when exposed to a strong electric field, suggesting that the field imposes control over cellular biomechanics. Closed pure lipid bilayer membranes (vesicles) have been widely used for the experimental and theoretical studies of cellular biomechanics under this electrodeformation. An alternative method used to generate an electric field is by electromagnetic i...

Journal: :international journal of smart electrical engineering 2014
heidar ali shayanfar sajad malek

this paper presents a cooperative control which is applied to the secondary control of a microgrid controlled via a multi-agent scheme. balancing power that leads to voltage and frequency stability in a microgrid is essential. the voltage and frequency regulations are limiting within the specified limits and conveying them to their nominal values. limiting and conveying the voltage and frequenc...

Journal: :journal of artificial intelligence in electrical engineering 2014
milad babakhani qazijahan

in this article, the sliding mode control of frequency load control of power systems is studied. the study areaconsists of a system of water and heat. first, a mathematical model of the proposed system disturbances ismade and then sliding control mode for frequency load control is provided. by the system simulation andsliding mode control, it can be shown that the damping of oscillations is wel...

Journal: :International Journal of Theoretical and Applied Mathematics 2017

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