نتایج جستجو برای: uninterruptible power supply

تعداد نتایج: 620527  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...

Journal: :Международный студенческий научный вестник (International Student Scientific Herald) 2019

2015
Rémy Roca Hélène Brogniez Philippe Chambon Olivier Chomette Sophie Cloché Marielle E. Gosset Jean-Francois Mahfouf Patrick Raberanto Nicolas Viltard

1 Laboratoire d’Etudes en Géophysique et Océanographie Spatiales (UPS/IRD/CNES/CNRS), Toulouse, France, 2 Laboratoire Atmosphères, Milieux, Observations Spatiales (IPSL/UVSQ/UPMC/CNRS), France, Centre National de la Recherche Météorologique/GAME, Météo France and CNRS, Toulouse, France, 4 Laboratoire de Météorologie Dynamique, Palaiseau, France, 5 Institut Pierre Simon Laplace, Palaiseau, Franc...

2001
Cristina G. Fernandes Till Nierhoff

2017
Nihal Islam Peter Buxmann David Ding

Digital technologies offer multiple opportunities for firms, but they also involve many challenges. Incumbent firms especially need to pursue digitalization in their businesses and create digital innovations in order to stay competitive in the market. For this purpose, an increased number of incumbent firms have been collaborating with start-ups with the aim of identifying and developing new bu...

Journal: :IBM Journal of Research and Development 2001
Steven W. Steele

This paper describes the architecture and implementation of a DC-Uninterruptible Power Source (DC-UPS) designed as an internal component for IBM AS/400 processor and I/O towers. This DC-UPS supports a processor or I/O tower requiring a maximum of 3100 watts of input ac line power. Unlike the large majority of AC-Uninterruptible Power Sources (AC-UPSs) found in the marketplace, which supply 50–6...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید