نتایج جستجو برای: power control

تعداد نتایج: 1748899  

2015
Aiman J. Albarakati

The nodes are low powered devices and therefore illustrating a low power Wireless Sensor Networks (WSN) are exceptionally basic for getting longer lifetime in Wireless Sensor Networks. Here we are going to discuss operations of low power WSN and have also looked out for and discriminatingly examined particular setup or design issues, for instance, Power management, ultra-low power node arrangem...

2011
Anthony Papavasiliou Shmuel S. Oren

We present a contract for integrating renewable energy supply and electricity spot markets for serving deferrable electric loads in order to mitigate renewable energy intermittency. The contract which we describe results in a stochastic optimal control problem for minimizing the cost of serving flexible load. We solve the optimal control problem by using a recombinant lattice for modeling renew...

Journal: :Int. J. Control 2013
Peter J. Gawthrop David J. Wagg Simon A. Neild Liuping Wang

The droop control strategy is the most common approach for microgrids control but its application is limited due to frequency deviation following a load change. Complementary control strategy has then been proposed to solve the problem using a communication network. However, under this strategy, regular loads profile produces a continuous change of output power of all distributed generators (DG...

Journal: :Journal of Vibration and Acoustics 1985

Journal: :IEEJ Transactions on Power and Energy 2001

This paper demonstrates an enhancement of power quality in grid integrated systems with the help of the proposed control strategy for voltage source converter based active power filters. The Shunt Active Power filters (SAPF) are extensively utilized in modern grid integrated systems to diminish the power quality concerns associated with it. The SAPF is one of the various power filters, which ha...

2004
Alvernon Walker

A timing and control strategy that can be used to realize synchronous systems with a level of performance that approaches that of asynchronous circuits or systems was developed in this work. This approach is based upon a single-phase synchronous circuitlsystem architecture with a variable period clock. The handshaking signals required for asynchronous self-timed circuits are not needed. Dynamic...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران - دانشکده مهندسی برق 1387

برای بررسی پایداری ولتاژ روش های بسیاری پیشنهاد شده اند که هر کدام دارای مزایا و محدودیت هایی هستند. انتخاب روش و شاخص مناسب خود یکی از مهمترین بخش های یک مطالعه دقیق در این زمینه است. در این پژوهش دو روش رایج در پژوهش های پایداری ولتاژ برای بررسی تاثیرات دو عنصر facts جبرانساز استاتیکی سنکرون statcom و جبران ساز سری کنترل شونده با تریستور بر پایداری ولتاژ به کار گرفته شده اند و نتایج آنها با ی...

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