نتایج جستجو برای: current control

تعداد نتایج: 2009503  

Journal: :Medical Journal Armed Forces India 2003

Journal: :the modares journal of electrical engineering 2008
m. tarafdarhagh a atashi

this paper presents a new arc starter circuit that is usable in manual metal arc welding (mma) power supplies. the proposed circuit uses an auxiliary circuit and a series coupling transformer for adding high frequency spikes to output dc voltage during arc striking. the proposed circuit is usable in inverter based arc welding supplies and it could result in a decrease of weigh, volume and expen...

Journal: :Journal of the Japan Institute of Power Electronics 2003

Journal: :Journal of the Japan Institute of Power Electronics 2008

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده کشاورزی 1388

چکیده ندارد.

Journal: :مهندسی برق و الکترونیک ایران 0
m. ebrahimi m. moallem m.h. ershadi a.h. ebrahimi

in conventional direct torque control (dtc), the stator flux is usually kept constant by controlling the x-axis component of the stator voltage in the stator flux reference frame. the torque is then controlled by the y-axis component of stator voltage. in this scenario, the stator current does not exceed its permissible value. however, in the so-called optimal efficiency mode, the induction mot...

پایان نامه :0 1374

the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...

Journal: :Memórias do Instituto Oswaldo Cruz 1995

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