نتایج جستجو برای: uninterruptible power supply
تعداد نتایج: 620527 فیلتر نتایج به سال:
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...
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...
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...
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...
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