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ALSO CALLED: Uninterruptible Power Supplies, Uninterruptible Power Supply, Uninterruptable Power Supply
DEFINITION: An uninterruptible power supply (UPS) is a device that allows your computer to keep running for at least a short time when the primary power source is lost. It also provides protection from power surges. A UPS contains a battery that "kicks in" when the device senses a loss of power from the primary source. If you are using the computer when the UPS notifies you of the power loss, you have time  … 
Definition continues below.
UPSWhite Papers (View All Report Types)
26 - 50 of 58 Matches Previous Page  | Next Page
The Different Types of UPS Systems
sponsored by APC by Schneider Electric
WHITE PAPER: There is much confusion in the marketplace about the different types of UPS systems and their characteristics. Each of these UPS types is defined, practical applications of each are discussed, and advantages and disadvantages are listed.
Posted: 01 Apr 2010 | Published: 01 Feb 2005

APC by Schneider Electric

Calculating Total Power Requirements for Data Centers
sponsored by APC by Schneider Electric
WHITE PAPER: Assessing the electrical power required to support and cool the critical loads within the data center is essential in planning for the development of a facility that will meet the end user's availability expectations. Read this white paper to learn how.
Posted: 01 Apr 2010 | Published: 01 Oct 2007

APC by Schneider Electric

Four Steps to Determine When a Standby Generator is Needed for Small Data Centers and Network Rooms
sponsored by APC by Schneider Electric
WHITE PAPER: Small data centers and network rooms vary dramatically in the amount of uninterruptible power supply (UPS) runtime deployed. This paper identifies four steps to identifying if a standby generator is required.
Posted: 01 Apr 2010 | Published: 01 Jul 2007

APC by Schneider Electric

Performing Effective MTBF Comparisons for Data Center Infrastructure
sponsored by APC by Schneider Electric
WHITE PAPER: Mean Time Between Failure (MTBF) is often proposed as a key decision making criterion when comparing data center infrastructure systems. This paper explains how MTBF can be effectively used as one of several factors for specification and selection of systems, by making the assumptions explicit.
Posted: 28 Jan 2010 | Published: 28 Jan 2010

APC by Schneider Electric

Reliability Analysis of the APC InfraStruXure Power System
sponsored by APC by Schneider Electric
WHITE PAPER: The APC InfraStruXure product line offers an alternative architecture to the central UPS. This paper summarizes the key findings of MTechnology's quantitative risk assessment and discusses their implications for facility managers and designers.
Posted: 28 Jan 2010 | Published: 28 Jan 2010

APC by Schneider Electric

Reliability Analysis of the APC Symmetra MW Power System
sponsored by APC by Schneider Electric
WHITE PAPER: MTechnology, Inc. (MTech) performed a quantitative reliability analysis of the APC Symmetra MW UPS. The study used techniques of Probabilistic Risk Assessment (PRA) to calculate the likelihood of over 680,000 potential failure modes.
Posted: 28 Jan 2010 | Published: 28 Jan 2010

APC by Schneider Electric

The Four Trends Driving the Future of Data Center Infrastructure Design and Management
sponsored by Emerson Network Power
WHITE PAPER: Today’s data center manager must maintain or improve availability in increasingly dense computing environments while reducing costs and increasing efficiency. Discover four distinct opportunities throughout the lifecycle of the data center to achieve efficiencies, boost availability and prepare for the future.
Posted: 21 Jan 2010 | Published: 21 Jan 2010

Emerson Network Power

Best Practices in Protecting the Technology Systems Revolutionizing Healthcare
sponsored by Emerson Network Power
WHITE PAPER: Technology systems such as electronic medical records and digital imaging are revolutionizing healthcare. The continuous operation of these systems has become increasingly critical. Emerson Network Power has developed three centralized UPS configurations specifically for healthcare settings.
Posted: 21 Jan 2010 | Published: 21 Jan 2010

Emerson Network Power

Transformer UPS vs. Transformerless UPS: Balancing High Levels of Availability with Efficiency
sponsored by Emerson Network Power
WHITE PAPER: Today's IT, facilities and data center managers face the daunting challenge of maintaining a high availability data center while simultaneously increasing energy efficiency. Learn how Transformer-based UPS designs are proven topologies for achieving high efficiency without compromising availability in large enterprise data center applications.
Posted: 21 Jan 2010 | Published: 21 Jan 2010

Emerson Network Power

Storage Efficiency: The Key to Green Storage Operation
sponsored by Xiotech Corporation
WHITE PAPER: While energy consumption of overall data center operations and server-related equipment is generally understood, the story is quite different when it comes to storage systems. This paper offers practical advice on how to measure storage system efficiency and compares the efficiency numbers of several common storage solutions.
Posted: 19 Nov 2009 | Published: 01 Aug 2008

Xiotech Corporation

Calculating Total Cooling Requirements for Data Centers
sponsored by APC by Schneider Electric
WHITE PAPER: This white paper describes how to estimate heat output from IT equipment and other devices in a data center such as UPS, for purposes of sizing air conditioning systems.
Posted: 10 Jul 2009 | Published: 09 Jul 2009

APC by Schneider Electric

Understanding EPO and Its Downtime Risks
sponsored by APC by Schneider Electric
WHITE PAPER: This white paper describes the advantages and disadvantages of EPO for protecting data centers and small IT equipment rooms containing UPS systems.
Posted: 10 Jul 2009 | Published: 01 Jan 2005

APC by Schneider Electric

Virtualization: Optimized Power and Cooling to Maximize Benefits
sponsored by APC by Schneider Electric
WHITE PAPER: Virtualization is an undisputed leap forward in data center evolution - it saves energy, increases computing throughput, frees up floor space, and facilitates load migration and disaster recovery. With these benefits though, come new challenges to the power and cooling infrastructure.
Posted: 29 Apr 2009 | Published: 04 Feb 2009

APC by Schneider Electric

Increasing Data Center Efficiency by Using Improved High Density Power Distribution
sponsored by APC by Schneider Electric
WHITE PAPER: 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.
Posted: 29 Apr 2009 | Published: 01 Jan 2006

APC by Schneider Electric

Best Practices for Power Equipment Startup
sponsored by Square D Critical Power Competency Center
WHITE PAPER: This paper describes the need for a systematized program for new power equipment startup and the best practices and pitfalls that exist with regards to power equipment startup.
Posted: 12 Feb 2009 | Published: 12 Feb 2009

Square D Critical Power Competency Center

System Grounding and Ground-Fault Protection Methods for UPS-Supplied Power Systems
sponsored by Square D Critical Power Competency Center
WHITE PAPER: This paper explores the nature of circulating currents in UPS-supplied power systems when solid system grounding is employed and the use of modified-differential ground fault protection to eliminate the effects of these circulating currents.
Posted: 12 Feb 2009 | Published: 12 Feb 2009

Square D Critical Power Competency Center

Battery Technologies for Data Centers and Network Rooms: Environmental Regulations
sponsored by APC by Schneider Electric
WHITE PAPER: This paper offers a high level summary of the regulations and provides a list of environmental compliance information resources.
Posted: 04 Feb 2009 | Published: 04 Feb 2009

APC by Schneider Electric

Standardization and Modularity in Network-Critical Physical Infrastructure
sponsored by APC by Schneider Electric
WHITE PAPER: Standardization and its close relative, modularity, create wide-ranging benefits in NCPI that streamline and simplify every process from initial planning to daily operation.
Posted: 04 Feb 2009 | Published: 04 Feb 2009

APC by Schneider Electric

Creating Order from Chaos in Data Centers and Server Rooms
sponsored by APC by Schneider Electric
WHITE PAPER: Data center professionals can rid themselves of messy racks, sub-standard under floor air distribution, and cable sprawl with a minimum of heartache and expense. This paper outlines several innovative approaches for dealing with the symptoms of chaos and for eliminating the root causes of disorder.
Posted: 04 Feb 2009 | Published: 03 Feb 2009

APC by Schneider Electric

Profitably Improving Site Infrastructure Energy Efficiency
sponsored by Upsite Technologies, Inc.
WHITE PAPER: Learn about the causes of energy overconsumption and how to improve your organization's overall energy efficiency, resulting in huge cost savings.
Posted: 14 Oct 2008 | Published: 09 Oct 2008

Upsite Technologies, Inc.

The Diverse and Exploding Digital Universe
sponsored by EMC Corporation
WHITE PAPER: This white paper, sponsored by EMC, is an update of IDC's inaugural forecast of the digital universe published in March 2007. In this year's update we discuss the implications for business, government, and society.
Posted: 28 Aug 2008 | Published: 27 Aug 2008

EMC Corporation

Can Your Data Center Infrastructure Handle the Heat of High Density
sponsored by CyrusOne
WHITE PAPER: High density computing is today's standard in best-in-class performance and availability, and those that fail to keep pace or fall behind will find themselves no longer competitive in today's markets.
Posted: 11 Aug 2008 | Published: 01 Aug 2008

CyrusOne

Data Center TCO - A Comparison of High-density and Low-density Spaces
sponsored by Intel Corporation
WHITE PAPER: TCO represents the cost to the owner to build, as well as the cost over time to operate and maintain the data center, these costs are all brought back to a present value using appropriate engineering economics.
Posted: 24 Jul 2008 | Published: 01 Jan 2007

Intel Corporation

Lean and Green: Reducing IT Energy Drain for Business Gain
sponsored by BlueArc Corp.
WHITE PAPER: Download this report to see top-level findings of 150 IT professional surveyed to measure and quantify their current needs, obstacles and attitudes as they weigh decisions about investing in green technology.
Posted: 28 Apr 2008 | Published: 01 Apr 2008

BlueArc Corp.

Technical Comparison of On-line Vs. Line-interactive UPS Designs
sponsored by APC by Schneider Electric
WHITE PAPER: This paper describes the advantages and disadvantages of each topology and addresses some common misconceptions about real-world application requirements.
Posted: 06 Feb 2008 | Published: 01 Jan 2004

APC by Schneider Electric
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UPS DEFINITION (continued): … An uninterruptible power supply (UPS) is a device that allows your computer to keep running for at least a short time when the primary power source is lost. It also provides protection from power surges. A UPS contains a battery that "kicks in" when the device senses a loss of power from the primary source. If you are using the computer when the UPS notifies you of the power loss, you have time to save any data you are working on and exit gracefully before the secondary power source (the battery) runs out. When all power runs out, any data in your computer's random access memory (RAM) is erased. When power surges occur, a UPS intercepts the surge so that it doesn't damage your computer.Software is available that automatically backs up (saves) any data that is being worked on when the UPS becomes activated.
UPS definition sponsored by SearchDataCenter.com, powered by WhatIs.com an online computer dictionary
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