power supplies
RSS power suppliesDell hits carbon neutral target
News He added: "The way energy costs are they are just not sustainable, so for business to be competitive in the future we need constant supplies of green energy and so we are trying to enable that everywhere we can globally. [06 Aug 2008]
'Greedy' appliances to power one million homes
News Squeezing more energy out of power supplies will help power more than one million homes, the government claims. Efficiency improvements to the greediest home appliances - including power supplies for laptops, mobile phones and printers - can save... [14 Jul 2008]
IEEE802.3af Power Over Ethernet: A Radical New Technology
White Paper Power Over Ethernet is likely to be ubiquitous in a few years, as the cost of adding the power supplies to the Ethernet switches is going to be small. Power Over Ethernet technology allows IP telephones, wireless LAN Access Points and other... [10 Jul 2008]
Testing and Stabilizing Feedback Loops in Today's Power Supplies
White Paper The majority of power supplies manufactured today throughout the world use a similar topology. Feedback loops aren't what they used to be. Here are some practical tips for dealing with the problems presented by modern topologies. [03 Jul 2008]
Large Capacity HY Series Power Supplies Compatible with Higher Harmonics Regulations
White Paper The HY200W and HY300W power supplies are available with output voltages of 5v, 12v and 24 v. [03 Jul 2008]
Large Capacity System Power Supplies SAC/SDC Series
White Paper Power supply systems are composed of SAC AC/DC conversion units and SDC DC/DC conversion units. A circuit block diagram of SAC and SDC units is also shown in this white paper. [03 Jul 2008]
Evaluating Uninterruptible Power Supplies
White Paper If you were to sit down and calculate your company's total investment in workstations, file servers, routers, hubs, peripherals, telephone systems, and other electronic components, the total would probably surprise you. [03 Jul 2008]
Creating High-availability Power Solutions for the ProLiant ML570 Server
White Paper Therefore, the ProLiant ML570 server was designed to support hot-pluggable N 1 redundant power supplies. The way those power supplies are configured, however, is equally important for maintaining server availability. [03 Jul 2008]
New Techniques for Measuring Feedback Loop Transfer Functions in Current Mode Converters
White Paper In power supplies with current mode control topology, the current feedback forms an internal digital loop that cannot be directly measured. Finally, the paper describes how to measure the feedback loop of power supplies where no single signal... [03 Jul 2008]
Sun Fire Blade Platform Architecture
White Paper This white paper describes the Sun Fire Blade Platform in its entirety, including the Intelligent Shelf with its power supplies and switch and service processor, blade servers and specialty blades, and Sun's new network-attached storage system... [03 Jul 2008]
Parallel Power for Undersea Application
White Paper For the proposed NEPTUNE observatory, the authors have developed a power scheme that combines ideas from terrestrial power systems and switching power supplies with experience from undersea cable systems. [03 Jul 2008]
Sun Fire Blade Platform Architecture
White Paper Learn about the Sun Fire Blade Platform, including the Intelligent Shelf with its power supplies and switch and service processor; blade servers and specialty blades; and Sun’s new network-attached storage system designed to support off-blade... [03 Jul 2008]
A SAP NetWeaver Case Study: Business Value Impact for Manitoba Hydro's Implementation of SAP NetWeaver Enterprise Portal (SAP EP),Exchange Infrastructure (SAP XI), and Business Information (SAP BI)
White Paper Manitoba Hydro is the sole power provider for the Canadian province of Manitoba, and supplies electricity and natural gas to over three quarters of a million customers. A number of external and internal forces were affecting Manitoba Hydro, which... [03 Jul 2008]
Conflicting Design Issues for Today's Single Board Computers
White Paper They needed large power supplies and fans, and they could do minimal tasks. Back in the early days of Single Board Computers, the SBC technology- feature envelope was pretty well defined. Boards such as Intel's SBC80/10, an 8080A CPU on a Multibus... [03 Jul 2008]
OneWorld Xe Performance Comparison of RAID 5 vs. RAID 10 Performance on an IBM FAStT500 Storage Server
White Paper The FAStT500 contains dual hot-swap RAID controllers, two redundant power supplies with battery backup and support for up to 16TB of Fibre-attached storage. The FAStT500 Storage Server is a 4U rack-mountable Fibre Channel RAID storage system that... [03 Jul 2008]
