| Title | Date Added | Company | |
|---|---|---|---|
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Leading Consulting Engineers Discuss Power Factor, Real Power, and UPS Overload | 2006-03-16 | American Power Conversion (APC) |
| Read this paper for documentation of expert opinions from leading consulting engineers regarding various power trends that are occurring in the IT industry.
Tags: UPS, IT Manufacturing, Service Level Management |
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Leading Consulting Engineers Discuss Power Factor, Real Power, and UPS Overload | 2008-11-04 | Dell EqualLogic |
| The purpose of this paper is to document expert opinions from leading consulting engineers regarding various power trends that are occurring in the IT industry.
Tags: UPS, IT Manufacturing, Service Level Management |
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Preventive Maintenance Strategy for Data Centers | 2007-11-21 | American Power Conversion (APC) |
| In the broadening data center cost-saving and energy efficiency discussion, data center physical infrastructure preventive maintenance (PM) is sometimes neglected as an important tool for controlling TCO and downtime. PM is performed specifically to prevent faults from occurring. IT and facilities managers can improve systems uptime through a better understanding of PM best practices. This white paper describes the types of PM services that can help safeguard the uptime of data centers and IT equipment rooms. Various PM methodologies and approaches are discussed. Recommended practices are suggested.
Tags: UPS, Data Center, Cost Control - Risk Mgmt., Strategic Planning |
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A Quantitative Comparison of High Efficiency AC vs. DC Power Distribution for Data Centers | 2007-11-04 | American Power Conversion (APC) |
| This paper presents a detailed quantitative efficiency comparison between the most efficient DC and AC power distribution methods, including an analysis of the effects of power distribution efficiency on the cooling power requirement and on total electrical consumption. The latest high efficiency AC and DC power distribution architectures are shown to have virtually the same efficiency, suggesting that a move to a DC-based architecture is unwarranted on the basis of efficiency.
Tags: UPS, Data Center, Resources Mgmt. |
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Making Large UPS Systems More Efficient | 2007-08-24 | American Power Conversion (APC) |
| As energy resources become scarcer and more expensive, electrical efficiency is becoming a more important performance factor in the specification and selection of large UPS systems. There are three subtle but significant factors that can materially affect a company's cost of operating a UPS system and particularly the electrical bill. Unfortunately, the people who specify systems often fail to recognize these factors, which leads to increased costs to the owner because operational efficiencies are not correctly considered. This paper discusses the common errors and misunderstandings in evaluating UPS efficiency. UPS efficiency curves are explained, compared, and their cost implications quantified.
Tags: UPS, Cost Control - Risk Mgmt., Resources Mgmt. |
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Cooling Solutions for Non-Conventional Applications | 2006-09-20 | Intel |
| This presentation shows what are the driving vectors for future cooling technologies and what are the Cooling Solutions to cover niche market needs (Large form factor and Small form factor solutions). It also presents what are the "Non conventional" technical and business challenges. The presentation presents an overview of a case study on a gaming machine (large form factor) and an overview of the Piezo technology for low form factors.
Tags: UPS |
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Business Continuity Webcast | 0000-00-00 | Liebert |
| In August of 2003, a lot of companies thought they had UPS coverage, so they thought a power failure was not a business failure. They were wrong. Offline (or standby) UPSs let disturbances through, damaging or destroying systems and data. Line-interactive UPSs ran out of battery power before the blackout even started, lost power during generator start-up or failed when power came back on. Only true online, double conversion UPSs did not suffer a single dropped load due to these problems. Liebert's mission-critical power and cooling technology ensures business continuity and high availability for one's data and applications.
Tags: UPS |
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Increasing Data Center Efficiency by Using Improved High Density Power Distribution | 2006-04-25 | American Power Conversion (APC) |
| A new approach to power distribution for high density server installations saves floor space, simplifies power cabling, saves capital cost, reduces weight, and increases electrical efficiency. This paper describes this distribution architecture and quantifies the benefits.
Note: The methods in this paper only apply in North America and are for problems that are unique to North America. Tags: UPS, Data Center, Resources Mgmt. |
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Monitoring Physical Threats in the Data Center | 2007-06-05 | American Power Conversion (APC) |
| Traditional methodologies for monitoring the data
center environment are no longer sufficient. With technologies such as blade servers driving up cooling demands and regulations such as Sarbanes-Oxley driving up data security requirements, the physical environment in the data center must be watched more closely. While well understood protocols exist for monitoring physical devices such as UPS systems, computer room air conditioners, and fire suppression systems, there is a class of distributed monitoring points that is often ignored.
This paper describes this class of threats, suggests approaches to deploying monitoring devices, and provides best practices in leveraging the collected data to reduce downtime. Tags: Business Management, Data Center, Blades, Supercomputers, Strategic Planning, Sarbanes-Oxley |
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Fundamental Principles of Generators for Information Technology | 2005-11-14 | American Power Conversion (APC) |
| Every Information Technology professional who is responsible for the operation of computing equipment needs to ensure their data center or network room is prepared for extended utility power outages. Understanding the basic functions and concepts of standby generator systems helps provide a solid foundation allowing IT professionals to successfully specify, install, and operate critical facilities. This paper is an introduction to standby generators and subsystems that power a facility's critical electrical loads when the utility cannot.
Tags: Infrastructure Management, UPS, |
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