نتایج جستجو برای: power control

تعداد نتایج: 1748899  

Journal: :international journal of smart electrical engineering 2015
iman ghiasi masoud golkar amin hajizadeh

the renewable energy sources and plug-in electric vehicles (pevs) are becoming very popular because of the combination of high fuel costs and concerns about emission issues. this paper presents modelling and control of a building integrated fuel cell and plug-in electric vehicles (bifc-pev) in smart distribution systems. in bifc-pev system, conventional building elements could be replaced by sp...

Journal: :Nature Energy 2017

Journal: :مهندسی قدرت ایران 0
amin hajizadeh k.n.toosi university of technology tehran,iran masoud aliakbar golkar k.n.toosi university of technology ,iran

this paper presents a control strategy for fuel cell/energy storage power generation system during voltage sag conditions. the hybrid dc power sources are connected to grid using power electronic converters include dc-dc converter and grid connected voltage source inverter. the power from hybrid power sources is controlled during voltage sag by designing of control strategy for dc-dc converter....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1392

abstract although music possesses some kind of power and using it has been welcome by many students in language classrooms, it seems that they take a non-serious image of the lesson while listening to songs and they may think that it is a matter of fun. the main objective of the present study was to investigate whether learning a foreign language through musical texts (songs) can have an impac...

Journal: :energy equipment and systems 0
seyed seraj hamidi department of electrical and robotic engineering, shahrood university of technology, shahrood, iran hossein gholizade-narm department of electrical and robotic engineering, shahrood university of technology, shahrood, iran

this paper presents a simple model predictive control (mpc) approach to control the power injection system (pis) for renewable energy applications. a dc voltage source and a single-phase inverter that is connected to the grid by an lcl filter form the pis. grid voltage is considered a disturbance for the system. for eliminating this disturbance, a modified model is proposed. it is usual to cont...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

august wilson is undoubtedly one of the rare black playwrights whose works have attracted streams of attention and worldwide audience. the present study aims at analyzing fences and piano lesson which are two of the most successful plays in his pittsburgh cycle from the perspective of michel foucault’s theories and ideas. studying these two plays from foucault’s perspective opens new windows in...

Journal: :JNW 2013
Dan-ye Chen Qi-zhi Yu

According to structural characteristics of the parts for the power battery, a structural model of clamp welding head basing on the loop sensor principle is established by means of PRO/E in this article, and a newly power battery spot-welding maching was research. It had some functions of the data’s input and modification, controlling of welding worktable, spot-welding mechanism adjusting initia...

Journal: :journal of electrical and computer engineering innovations 2013
s. mohammadi h. r. mosaddegh m. yousefian

this paper presents a novel control approach used in shunt active power filter based on variable structure control combined with random pwm technique (rvsc) that provides robust, fast, and more favorable performance for active power filter. this control strategy is compared with two other strategies to show the effectiveness of the introduced methods; pulse width modulated proportional-integral...

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