نتایج جستجو برای: and equipments

تعداد نتایج: 16827560  

Journal: :Journal of the Japan Welding Society 1992

Journal: :international journal of information science and management 0
ali hosseyn ghassemi jundishapur university of medical sciences

library standardization is mainly concerned with technical services, space and equipments, and information content of library collection with little or no regards to the user. given every country's certain social, economical and cultural conditions, specialized libraries should engage increasingly in developing information literate users on the basis of standards, rather than standardizing tech...

Journal: :JOURNAL OF THE JAPAN WELDING SOCIETY 2012

Journal: :The Japanese Journal of Ergonomics 1976

2014
Hongtao Zeng Linlin Lin Zhixin Wang Wengang Tian Cong Feng Zhihuai Xiao

500kV substation is especially important to the grid of our country, once it encounters lightning damage, the safety and reliability of the whole power system will be directly affected. As lightning intruding waves will cause overvoltage on electric equipments by intruding from the transmission line or straightly stroking the substation, which seriously influences the insulation level of equipm...

2016

High voltage transmission has been chosen in electric power system due to its capability to transfer a large amount of electric power. Several key equipments such as generator, transformer, GIS, cable and insulator play important role in determining the reliability of the power system. The high voltage equipments in general contain gas, liquid or solid insulation. Defects and a particular condi...

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