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APC by Schneider Electric
(85 results)-
White Papers
Explanation of Cooling and Air Conditioning Terminology for IT Professionals
February 4, 2005, 12:00am PST
As power densities continue to increase in today's data centers, heat removal is becoming a greater concern for the IT professional. Unfortunately, air conditioning terminology routinely used in...
Provided by APC by Schneider Electric
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White Papers
The Different Types of UPS System
June 8, 2010, 12:00am PDT
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...
Provided by APC by Schneider Electric
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White Papers
Fundamental Principles of Network Security
April 8, 2009, 12:00am PDT
Security incidents are rising at an alarming rate every year. As the complexity of the threats increases, so do the security measures required to protect networks. Data center operators, network...
Provided by APC by Schneider Electric
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White Papers
How Monitoring Systems Reduce Human Error in Distributed Server Rooms and Remote Wiring Closets
January 20, 2011, 12:00am PST
Surprise incidences of downtime in server rooms and remote wiring closets lead to sleepless nights for many IT managers. Most can recount horror stories about how bad luck, human error, or just...
Provided by APC by Schneider Electric
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White Papers
Classification of Data Center Operations Technology (OT) Management Tools
January 20, 2011, 12:00am PST
Data centers today lack a formal system for classifying software management tools. As a result, confusion exists regarding which management systems are necessary and which are optional for secure...
Provided by APC by Schneider Electric
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White Papers
Ten Errors to Avoid When Commissioning a Data Center
May 4, 2007, 12:00am PDT
Data center commissioning can deliver an unbiased evaluation of whether a newly constructed data center will be an operational success or a failure. Proper execution of the commissioning process...
Provided by APC by Schneider Electric
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Whitepapers - Video
Netshelter CX Enclosure - Product Demonstration
January 27, 2012, 12:00am PST
Learn more about the Netshelter CX - The IT industry's first soundproofed, portable server environment. The solution for deploying IT equipment outside the server room
Provided by APC by Schneider Electric
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White Papers
Airflow Uniformity Through Perforated Tiles in a Raised-Floor Data Center
April 4, 2011, 12:00am PDT
Perforated tiles on a raised floor often deliver substantially more or less airflow than expected, resulting in inefficiencies and even equipment failure due to inadequate cooling. In this paper,...
Provided by APC by Schneider Electric
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White Papers
Power and Cooling Capacity Management for Data Centers
November 21, 2007, 12:00am PST
High density IT equipment stresses the power density capability of modern data centers. The ability to measure and predict power and cooling capability at the rack enclosure level is required to...
Provided by APC by Schneider Electric
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White Papers
Determining Total Cost of Ownership for Data Center and Network Room Infrastructure
December 8, 2005, 12:00am PST
This paper describes an improved method for measuring Total Cost of Ownership of data center and network room physical infrastructure and relating these costs to the overall Information Technology...
Provided by APC by Schneider Electric
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White Papers
Re-Examining the Suitability of the Raised Floor for Data Center Applications
February 4, 2005, 12:00am PST
The circumstances that gave rise to the development and use of the raised floor in the data center environment are examined in this paper. Many of the reasons for the raised floor no longer exist,...
Provided by APC by Schneider Electric
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White Papers
Data Center Projects: Project Management
April 8, 2009, 12:00am PDT
In data center design/build projects, flaws in project management and coordination are a common - but unnecessary - cause of delays, expense, and frustration. The ideal is for project management...
Provided by APC by Schneider Electric
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White Papers
Understanding Power Factor, Crest Factor, and Surge Factor
January 1, 2003, 12:00am PST
The terms Power Factor, Crest Factor, and Surge Factor refer to completely different and unrelated phenomena. These characteristics are often specified for UPS systems, and customers will...
Provided by APC by Schneider Electric
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White Papers
Preventing Data Corruption in the Event of an Extended Power Outage
December 21, 2007, 12:00am PST
Despite advances in computer technology, power outages continue to be a major cause of PC and server downtime. Protecting computer systems with Uninterruptible Power Supply (UPS) hardware is part...
Provided by APC by Schneider Electric
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White Papers
Creating Order from Chaos in Data Centers and Server Rooms
October 23, 2008, 12:00am PDT
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. Whether the data center mess is...
Provided by APC by Schneider Electric
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White Papers
Watts and Volt-Amps: Powerful Confusion
April 8, 2009, 12:00am PDT
This note helps explain the differences between Watts and VA and explains how the terms are correctly and incorrectly used in specifying power protection equipment.
Provided by APC by Schneider Electric
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White Papers
Effect of UPS on System Availability
April 1, 2010, 12:00am PDT
This white paper explains how system availability and uptime are affected by AC power outages and provides quantitative data regarding uptime in real-world environments, including the effect of...
Provided by APC by Schneider Electric
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White Papers
Avoiding Costs From Oversizing Data Center and Network Room Infrastructure
April 8, 2009, 12:00am PDT
The physical and power infrastructure of data centers and network rooms is typically oversized by more than 100%. Statistics related to oversizing are presented. The costs associated with...
Provided by APC by Schneider Electric
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White Papers
Cooling Solutions for Rack Equipment With Side-to-Side Airflow
February 7, 2005, 12:00am PST
Equipment with side-to-side airflow presents special cooling challenges in today's data center. Common rack enclosures and rack layouts are fundamentally incompatible with side-to-side cooling,...
Provided by APC by Schneider Electric
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White Papers
Eco-mode: Benefits and Risks of Energy-saving Modes of UPS Operation
October 7, 2011, 12:00am PDT
Many newer UPS systems have an energy-saving operating mode known as "eco-mode" or by some other descriptor. Nevertheless, surveys show that virtually no data centers actually use this mode,...
Provided by APC by Schneider Electric
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White Papers
Making Large UPS Systems More Efficient
August 24, 2007, 12:00am PDT
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...
Provided by APC by Schneider Electric
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White Papers
Guidelines for Specifying Data Center Criticality / Tier Levels
June 8, 2007, 12:00am PDT
A framework for benchmarking a future data center's operational performance is essential for effective planning and decision making. Currently available criticality or tier methods do not provide...
Provided by APC by Schneider Electric
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White Papers
Technical Comparison of On-Line Vs. Line-Interactive UPS Designs
February 7, 2005, 12:00am PST
Most of the factors that go into deciding which UPS to purchase are visible and easily understood: battery back-up time, cost, size, manufacturer, number of outlets, manageability, etc. But there...
Provided by APC by Schneider Electric
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White Papers
The Role of Isolation Transformers in Data Center UPS Systems
April 1, 2010, 12:00am PDT
Most modern UPS systems do not include the internal transformers that were present in earlier designs. This evolution has increased efficiency while decreasing the weight, size, and raw materials...
Provided by APC by Schneider Electric
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White Papers
Comparing Availability of Various Rack Power Redundancy Configurations
October 7, 2011, 12:00am PDT
Transfer switches and dual-path power distribution to IT equipment are used to enhance the availability of computing systems. Statistical availability analysis techniques suggest large differences...
Provided by APC by Schneider Electric
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White Papers
Virtualization and Cloud Computing: Optimized Power, Cooling, and Management Maximizes Benefits
January 25, 2012, 12:00am PST
IT virtualization, the engine behind cloud computing, can have significant consequences on the data center physical infrastructure (DCPI). Higher power densities that often result can challenge...
Provided by APC by Schneider Electric
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White Papers
Data Center Projects: System Planning
May 19, 2007, 12:00am PDT
System planning is the Achilles' heel of a data center physical infrastructure project. Planning mistakes can magnify and propagate through later deployment phases, resulting in delays, cost...
Provided by APC by Schneider Electric
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White Papers
Calculating Total Cooling Requirements for Data Centers
October 28, 2004, 12:00am PDT
All electrical equipment produces heat, which must be removed to prevent the equipment temperature from rising to an unacceptable level. Most Information Technology equipment and other equipment...
Provided by APC by Schneider Electric
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White Papers
Strategies for Deploying Blade Servers in Existing Data Centers
October 25, 2006, 12:00am PDT
When blade servers are densely packed, they can exceed the power and cooling capacities of almost all traditional data centers. This paper explains how to evaluate the options and select the best...
Provided by APC by Schneider Electric
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White Papers
Implementing Energy Efficient Data Centers
August 22, 2006, 12:00am PDT
Electricity usage costs have become an increasing fraction of the total cost of ownership (TCO) for data centers. It is possible to dramatically reduce the electrical consumption of typical data...
Provided by APC by Schneider Electric
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White Papers
Selecting an Industry-Standard Metric for Data Center Efficiency
January 2, 2008, 12:00am PST
The development of standards for the measurement and specification of data center efficiency is an essential step in the global effort to reduce the environmental impact of data centers. This...
Provided by APC by Schneider Electric
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White Papers
Preventative Maintenance Strategy for Data Centers
April 8, 2009, 12:00am PDT
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...
Provided by APC by Schneider Electric
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White Papers
Top 10 Mistakes in Data Center Operations: Operating Efficient and Effective Data Centers
April 4, 2012, 12:00am PDT
How can you avoid making major mistakes when operating and maintaining your data center(s)? The key lies in the methodology behind your operations and maintenance program. All too often, companies...
Provided by APC by Schneider Electric
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White Papers
How Data Center Infrastructure Management Software Improves Planning and Cuts Operational Costs
July 14, 2011, 12:00am PDT
Business executives are challenging their IT staffs to convert data centers from cost centers into producers of business value. Data centers can make a significant impact to the bottom line by...
Provided by APC by Schneider Electric
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White Papers
Electrical Efficiency Measurement for Data Centers
November 12, 2007, 12:00am PST
Data center electrical efficiency is rarely planned or managed. The unfortunate result is that most data centers waste substantial amounts of electricity. Today it is both possible and prudent to...
Provided by APC by Schneider Electric
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White Papers
A Hidden Reliability Threat in UPS Static Bypass Switches
October 7, 2011, 12:00am PDT
IT managers will be surprised to learn that some medium and high power UPS systems on the market today (rated 50 kW and higher) use undersized static bypass switches despite their negative...
Provided by APC by Schneider Electric
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White Papers
Increasing Data Center Cooling Efficiency and Capacity
January 1, 2004, 12:00am PST
The requirement to deploy high-density servers within single racks is presenting data center managers with a challenge. Vendors are now designing servers which will demand up to 20kW of cooling if...
Provided by APC by Schneider Electric
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White Papers
Energy Efficient Cooling for Data Centers: A Close-Coupled Row Solution
July 2, 2009, 12:00am PDT
The trend of increasing heat densities in data centers has held consistent with advances in computing technology for many years. As power density increased, it became evident that the degree of...
Provided by APC by Schneider Electric
-
White Papers
Battery Technology for Data Centers and Network Rooms: Lead-Acid Battery Options
July 2, 2009, 12:00am PDT
The lead-acid battery is the predominant choice for Uninterruptible Power Supply (UPS) energy storage. Over 10 million UPSs are presently installed utilizing Flooded, Valve Regulated Lead Acid...
Provided by APC by Schneider Electric
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White Papers
Energy Impact of Increased Server Inlet Temperature
May 1, 2009, 12:00am PDT
The quest for efficiency improvement raises questions regarding the optimal air temperature for data centers. The ASHRAE TC-9.9 committee has recently adopted an extension of the recommended...
Provided by APC by Schneider Electric
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White Papers
Data Center Projects: Advantages of Using a Reference Design
April 4, 2012, 12:00am PDT
It is no longer practical or cost-effective to completely engineer all aspects of a unique data center. Re-use of proven, documented subsystems or complete designs is a best practice for both new...
Provided by APC by Schneider Electric
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White Papers
High Efficiency Economizer-based Cooling Modules for Large Data Centers
April 4, 2012, 12:00am PDT
When a cooling plant operates in economizer mode, high energy-consuming mechanical systems can be turned off. A standardized, modular cooling plant designed to operate primarily in economizer mode...
Provided by APC by Schneider Electric
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White Papers
The Different Technologies for Cooling Data Centers
April 4, 2012, 12:00am PDT
There are 13 basic heat removal methods to cool IT equipment and to transport unwanted heat to the outdoor environment. This paper describes these fundamental cooling technologies using basic...
Provided by APC by Schneider Electric
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White Papers
Top 10 Mistakes in Data Center Operations: Operating Efficient and Effective Data Centers
April 4, 2012, 12:00am PDT
How can you avoid making major mistakes when operating and maintaining your data center(s)? The key lies in the methodology behind your operations and maintenance program. All too often, companies...
Provided by APC by Schneider Electric
-
Whitepapers - Video
Netshelter CX Enclosure - Product Demonstration
January 27, 2012, 12:00am PST
Learn more about the Netshelter CX - The IT industry's first soundproofed, portable server environment. The solution for deploying IT equipment outside the server room
Provided by APC by Schneider Electric
-
White Papers
Impact of Hot and Cold Aisle Containment on Data Center Temperature and Efficiency
January 25, 2012, 12:00am PST
Both hot-air and cold-air containment can improve the predictability and efficiency of traditional data center cooling systems. While both approaches minimize the mixing of hot and cold air, there...
Provided by APC by Schneider Electric
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White Papers
Virtualization and Cloud Computing: Optimized Power, Cooling, and Management Maximizes Benefits
January 25, 2012, 12:00am PST
IT virtualization, the engine behind cloud computing, can have significant consequences on the data center physical infrastructure (DCPI). Higher power densities that often result can challenge...
Provided by APC by Schneider Electric
-
White Papers
Eco-mode: Benefits and Risks of Energy-saving Modes of UPS Operation
October 7, 2011, 12:00am PDT
Many newer UPS systems have an energy-saving operating mode known as "eco-mode" or by some other descriptor. Nevertheless, surveys show that virtually no data centers actually use this mode,...
Provided by APC by Schneider Electric
-
White Papers
Deploying High-Density Pods in a Low-Density Data Center
October 7, 2011, 12:00am PDT
Simple and rapid deployment of self-contained, high-density pods within an existing or new low-density data center is possible with today's power and cooling technology. The independence of these...
Provided by APC by Schneider Electric
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White Papers
A Hidden Reliability Threat in UPS Static Bypass Switches
October 7, 2011, 12:00am PDT
IT managers will be surprised to learn that some medium and high power UPS systems on the market today (rated 50 kW and higher) use undersized static bypass switches despite their negative...
Provided by APC by Schneider Electric
-
White Papers
Comparing Availability of Various Rack Power Redundancy Configurations
October 7, 2011, 12:00am PDT
Transfer switches and dual-path power distribution to IT equipment are used to enhance the availability of computing systems. Statistical availability analysis techniques suggest large differences...
Provided by APC by Schneider Electric
-
White Papers
How Data Center Infrastructure Management Software Improves Planning and Cuts Operational Costs
July 14, 2011, 12:00am PDT
Business executives are challenging their IT staffs to convert data centers from cost centers into producers of business value. Data centers can make a significant impact to the bottom line by...
Provided by APC by Schneider Electric
-
White Papers
Airflow Uniformity Through Perforated Tiles in a Raised-Floor Data Center
April 4, 2011, 12:00am PDT
Perforated tiles on a raised floor often deliver substantially more or less airflow than expected, resulting in inefficiencies and even equipment failure due to inadequate cooling. In this paper,...
Provided by APC by Schneider Electric
-
White Papers
How Monitoring Systems Reduce Human Error in Distributed Server Rooms and Remote Wiring Closets
January 20, 2011, 12:00am PST
Surprise incidences of downtime in server rooms and remote wiring closets lead to sleepless nights for many IT managers. Most can recount horror stories about how bad luck, human error, or just...
Provided by APC by Schneider Electric
-
White Papers
Cooling Entire Data Centers Using Only Row Cooling
January 20, 2011, 12:00am PST
Row cooling is emerging as a practical total cooling solution for new data centers due to its inherent high efficiency and predictable performance. Yet some IT equipment in data centers appears...
Provided by APC by Schneider Electric
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White Papers
Classification of Data Center Operations Technology (OT) Management Tools
January 20, 2011, 12:00am PST
Data centers today lack a formal system for classifying software management tools. As a result, confusion exists regarding which management systems are necessary and which are optional for secure...
Provided by APC by Schneider Electric
-
White Papers
The Different Types of UPS System
June 8, 2010, 12:00am PDT
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...
Provided by APC by Schneider Electric
-
White Papers
Estimating a Data Center's Electrical Carbon Footprint
June 30, 2010, 12:00am PDT
Data center carbon emissions are a growing global concern. The U.S. Environmental Protection Agency (EPA) cites data centers as a major source of energy consumption in the United States. This...
Provided by APC by Schneider Electric
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White Papers
Data Center Physical Infrastructure: Optimizing Business Value
June 30, 2010, 12:00am PDT
To stay competitive in today's rapidly changing business world, companies must update the way they view the value of their investment in data center physical infrastructure (DCPI). No longer are...
Provided by APC by Schneider Electric
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White Papers
A Scalable, Reconfigurable, and Efficient Data Center Power Distribution Architecture
June 30, 2010, 12:00am PDT
Significant improvements in efficiency, power density, power monitoring, and reconfigurability have been achieved in data center power distribution. The past techniques of massive...
Provided by APC by Schneider Electric
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White Papers
The Role of Isolation Transformers in Data Center UPS Systems
April 1, 2010, 12:00am PDT
Most modern UPS systems do not include the internal transformers that were present in earlier designs. This evolution has increased efficiency while decreasing the weight, size, and raw materials...
Provided by APC by Schneider Electric
-
White Papers
Effect of UPS on System Availability
April 1, 2010, 12:00am PDT
This white paper explains how system availability and uptime are affected by AC power outages and provides quantitative data regarding uptime in real-world environments, including the effect of...
Provided by APC by Schneider Electric
-
White Papers
An Improved Architecture for High-Efficiency; High-Density Data Centers
April 1, 2010, 12:00am PDT
Data center power and cooling infrastructure worldwide wastes more than 60, 000, 000 megawatt-hours per year of electricity that does no useful work powering IT equipment. This represents an...
Provided by APC by Schneider Electric
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White Papers
Comparison of Static and Rotary UPS
December 17, 2009, 12:00am PST
Much confusion exists among data center professionals when deciding whether to deploy static or rotary Uninterruptible Power Supplies (UPS) in their data centers. This paper defines both static...
Provided by APC by Schneider Electric
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White Papers
Guidance for calculation of efficiency (PUE) in real data centers
December 17, 2009, 12:00am PST
Before data center infrastructure efficiency can be benchmarked using PUE or other metrics, there must be agreement on exactly what power consumptions constitute IT loads, what consumptions...
Provided by APC by Schneider Electric
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White Papers
Allocating data center energy costs and carbon to IT users
December 17, 2009, 12:00am PST
Are complicated software and instrumentation needed to measure and allocate energy costs and carbon to IT users? Or can we get by with simple, low cost methods for energy cost and carbon...
Provided by APC by Schneider Electric
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White Papers
Management Strategy for Network-Critical Physical Infrastructure
September 30, 2009, 12:00am PDT
When choosing a management solution for the physical infrastructure of IT networks, management of individual devices is necessary in order to have visibility to the many data points required for...
Provided by APC by Schneider Electric
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White Papers
Energy Impact of Increased Server Inlet Temperature
May 1, 2009, 12:00am PDT
The quest for efficiency improvement raises questions regarding the optimal air temperature for data centers. The ASHRAE TC-9.9 committee has recently adopted an extension of the recommended...
Provided by APC by Schneider Electric
-
White Papers
Battery Technology for Data Centers and Network Rooms: Lead-Acid Battery Options
July 2, 2009, 12:00am PDT
The lead-acid battery is the predominant choice for Uninterruptible Power Supply (UPS) energy storage. Over 10 million UPSs are presently installed utilizing Flooded, Valve Regulated Lead Acid...
Provided by APC by Schneider Electric
-
White Papers
Energy Efficient Cooling for Data Centers: A Close-Coupled Row Solution
July 2, 2009, 12:00am PDT
The trend of increasing heat densities in data centers has held consistent with advances in computing technology for many years. As power density increased, it became evident that the degree of...
Provided by APC by Schneider Electric
-
White Papers
Preventative Maintenance Strategy for Data Centers
April 8, 2009, 12:00am PDT
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...
Provided by APC by Schneider Electric
-
White Papers
Reliability Models for Electric Power Systems
April 8, 2009, 12:00am PDT
This note explains the sources of downtime in Electric Power Systems and provides an explanation for site-to-site variations in Power Availability. The the factors affecting power quality from...
Provided by APC by Schneider Electric
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White Papers
Virtualization: Optimized Power Cooling to Maximize Benefits
April 8, 2009, 12:00am PDT
Data centers are routinely and unknowingly missing a great portion of their entitlement from virtualization. Beyond virtualization's undisputed IT benefits - from reduced rack footprint to...
Provided by APC by Schneider Electric
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White Papers
Reliability Analysis of the APC Symmetra MW Power System
April 8, 2009, 12:00am PDT
This paper is a quantitaive reliability analysis of the APC Symmetra MW UPS performed by MTechnology, Inc. (MTech). In contrast to common MTBF calculations based on summing component failure...
Provided by APC by Schneider Electric
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White Papers
Essential Standby Generator System Requirements for Next Generation Data Centers
April 8, 2009, 12:00am PDT
Effective standby generator system installations must address the known problems and challenges relating to current and past designs. This paper presents a categorized and prioritized overview of...
Provided by APC by Schneider Electric
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White Papers
Cooling Strategies for IT Wiring Closets and Small Rooms
April 8, 2009, 12:00am PDT
Cooling for IT wiring closets is rarely planned and typically only implemented after failures or overheating occur. Historically, no clear standard exists for specifying sufficient cooling to...
Provided by APC by Schneider Electric
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White Papers
Deploying High-Density Zones in a Low-Density Data Center
June 4, 2008, 12:00am PDT
New breakthroughs in power and cooling technology allow for a simple and rapid deployment of self-contained high density zones within an existing or new low density data center. The independence...
Provided by APC by Schneider Electric
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White Papers
Virtualization: Optimized Power and Cooling to Maximize Benefits
October 9, 2008, 12:00am PDT
Data centers are routinely and unknowingly missing a great portion of their entitlement from virtualization. In particular, row-based cooling, correctly sized power and cooling, and real-time...
Provided by APC by Schneider Electric
-
White Papers
Battery Technology for Data Centers and Network Rooms: Battery Options
October 21, 2008, 12:00am PDT
The lead-acid battery is the predominant choice for Uninterruptible Power Supply (UPS) energy storage. Over 10 million UPSs are presently installed utilizing Flooded, Valve Regulated Lead Acid...
Provided by APC by Schneider Electric
-
White Papers
Creating Order from Chaos in Data Centers and Server Rooms
October 23, 2008, 12:00am PDT
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. Whether the data center mess is...
Provided by APC by Schneider Electric
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