نتایج جستجو برای: method output

تعداد نتایج: 1776812  

Journal: :مهندسی برق و الکترونیک ایران 0
e. babaei s. h. hosseini g. b. gharehpetian

in this paper, a new topology is proposed for three-phase to single-phase matrix converters, where more voltage levels are produced in the output in comparison with the conventional topologies. in addition, a new control method based on minimum error between the generated and the desired output voltages is proposed for three-phase to single-phase matrix converters. in the proposed control metho...

Amir Nejat, Farshad Kowsary, Seyyed Morteza Mousavi

In the current work, different methods for optimization of turbine blade internal cooling are investigated, to achieve higher cyclic efficiency and output power for a typical gas turbine. A simple two-dimensional model of C3X blade is simulated and validated with available experimental data. The optimization process is performed on this model with two different methods. The first method is ...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
وحیده انصاری دانشجوی دکتری اقتصاد کشاورزی پردیس کشاورزی و منابع طبیعی دانشگاه تهران حبیب الله سلامی استاد دانشکده اقتصاد و توسعه کشاورزی پردیس کشاورزی و منابع طبیعی دانشگاه تهران ایرج صالح دانشیار دانشکده اقتصاد و توسعه کشاورزی پردیس کشاورزی و منابع طبیعی دانشگاه تهران

the sources of output growth of iranian agriculture over the years 1986-2001 has been examined, using a decomposition method within the input-output (io) framework. the three comparable io tables of 1986, 1991, and 2001 have been employed as the main data sources. output changes from a demand side perspective, and decomposition of the growth of output into components attributable to consumption...

Journal: :JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 2002

E. Babaei, G. B. Gharehpetian, S. H. Hosseini,

In this paper, a new topology is proposed for three-phase to single-phase matrix converters, where more voltage levels are produced in the output in comparison with the conventional topologies. In addition, a new control method based on minimum error between the generated and the desired output voltages is proposed for three-phase to single-phase matrix converters. In the proposed control metho...

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