نتایج جستجو برای Active Power Loss

تعداد نتایج: 872429  

2018
K. Lenin,

Received Nov 22, 2017 Revised Jan 20, 2018 Accepted Feb 23, 2018 This paper projects an Integrated Algorithm (IA) for solving optimal reactive power problem. Quick convergence of the Cuckoo Search (CS), the vibrant root change of the Firefly Algorithm (FA), and the incessant position modernization of the Particle Swarm Optimization (PSO) has been combined to form the Integrated Algorithm (IA). ...

2002
N. Motee, M. S. de Queiroz, Y. Fang, D. M. Dawson,

In this paper, we address the problem of controlling an active magnetic bearing with reduced ohmic power losses. A solution is proposed which introduces an exponentially decaying bias ßux in the nonlinear control law. To avoid control singularities, the closed-loop system is exponentially stabilized at a faster rate than the bias decay. In the steady state, the proposed controller has zero bias...

2014
Xiao Du, Yigong Zhang, Zhiqiang Dai, Huan Liu, Siming Wei, Jin Liu,

With the development of concentrated wind power areas, new energy’s dispatching problems are more prominent with its fast expansion. However, we can maximize the utilization of wind power under power curtailment conditions by optimal wind power dispatching. The paper studies on the basic theories of wind power turbines, and analyses the power’s control and output characteristics of wind turbine...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

این پایان نامه در ارتباط با اصلاح کننده های کیفیت توان و یا ‏‎active power line conditioners‎‏که به اختصار به ‏‎aplc‎‏ معروف است ، می باشد ‏‎aplc‎‏یکی از مهمترین سیستمهایی می باشد که می تواند مشکلات مربوط به کیفیت قدرت ر سیستمهای توزیع را حل نماید. ‏‎aplc‎‏ به مجموعه ای از اکتیو فیلترها خطاب می شود. در حال حاضر هیچ تعریف منحصر به فردی جهت محاسبه توان برای شکل موجهای کلی ولتاژ وجریان وجود ندارد....

2015
Yuting Pan, Zhiqiang Yuan, Yuchen Chen, Bo Liu,

In order to research how to availably reduce the active power loss value in power grid system when the power system is operating, it offers a quantitative research in theory through conceiving the unbalanced losses of power grid system under the overloading bus as the investigative object, and establishing an active power loss mathematical model. It carries out online real-time optimal flow cal...

A. Yazdian, H. Seifi, R. Keypour,

In this paper, two algorithms have been developed for allocation and size determination of Active Power Filters (APF) in power systems. In the first algorithm, the objective is to minimize harmonic voltage distortion. The objective in the second algorithm is to minimize the new APF injection currents while satisfying harmonic standards. Genetic algorithm is proposed for these two optimization p...

A. Yazdian, H. Seifi, R. Keypour,

In this paper, two algorithms have been developed for allocation and size determination of Active Power Filters (APF) in power systems. In the first algorithm, the objective is to minimize harmonic voltage distortion. The objective in the second algorithm is to minimize the new APF injection currents while satisfying harmonic standards. Genetic algorithm is proposed for these two optimization p...

2013
A. R. Bhowmik, A. K. Chakraborty, P. N. Das,

This paper utilizes the application of Particle Swarm Optimization (PSO) and Genetic Algorithm (GA) techniques to find the most appropriate locations of Unified Power Flow Controller (UPFC) with optimum cost of generation for loadability limit and minimum active power loss, while satisfying the power system constraints. Two objective functions are taken as the indexes of the system performance:...

2013
Altaf Badar, A. S. Junghare,

Optimization of active power loss in Electrical Power systems is complicated because of large, complex, and geographically widely distributed power systems. It is advisable to use the most efficient optimization technique based on its suitability to find an optimized solution of the problem. Active power loss minimization in a system is obtained by controlling the flow of reactive power. The re...

Journal: :the modares journal of electrical engineering 2010
ali yazdian varjani, jo chicharo, sarat - perera,

this paper presents a new control methodology for active power filters that provide an adaptive online harmonic estimation with partial and selective harmonic reduction schemes, which has been implemented within an integrated controller. the proposed approach is to provide partial and selective reduction of those individual harmonics which exceed the recommended levels as set by regulatory bodi...

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