APC by Schneider Electric

Displaying 41-70 of 70 results

  • White Papers // Apr 2013

    Allocating data center energy costs and carbon to IT users

    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 allocation? How precise do we need to be? This paper provides an overview of energy cost and carbon...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Energy Efficient Cooling for Data Centers: A Close-Coupled Row Solution

    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 difficulty in cooling these higher power loads was also increasing. In recent years, traditional cooling system design has proven...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Electrical Efficiency Measurement for Data Centers

    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 plan, measure, and improve data center efficiency. In addition to reducing electrical consumption, efficiency improvements can gain users higher IT...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Deploying High-Density Pods in a Low-Density Data Center

    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 high-density pods allow for predictable and reliable operation of high-density equipment without a negative impact on the performance of existing low-density power...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Impact of Hot and Cold Aisle Containment on Data Center Temperature and Efficiency

    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 are practical differences in implementation and operation that have significant consequences on work environment conditions, PUE, and economizer mode hours. The...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Monitoring Physical Threats in the Data Center

    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...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Ten Errors to Avoid When Commissioning a Data Center

    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 is a critical step in determining how the data center operates as an integrated system. The documentation produced as a result...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Implementing Hot and Cold Air Containment in Existing Data Centers

    Containment solutions can eliminate hot spots and provide energy savings over traditional uncontained data center designs. The best containment solution for an existing facility will depend on the constraints of the facility. While ducted hot aisle containment is preferred for highest efficiency, cold aisle containment tends to be easier and...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    TCO Analysis of a Traditional Data Center vs. a Scalable, Containerized Data Center

    Standardized, scalable, pre-assembled, and integrated data center facility power and cooling modules provide a “total cost of ownership” (TCO) savings of 30% compared to traditional, built-out data center power and cooling infrastructure. Avoiding overbuilt capacity and scaling the design over time contributes to a significant percentage of the overall savings....

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Cooling Entire Data Centers Using Only Row Cooling

    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 incompatible with row cooling because it is not arranged in neat rows due to the nature of the equipment...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Practical Options for Deploying IT Equipment in Small Server Rooms & Branch Offices

    Small server rooms and branch offices are typically unorganized, unsecure, hot, unmonitored, and space constrained. These conditions can lead to system downtime or, at the very least, lead to “close calls” that get management’s attention. Practical experience with these problems reveals a short list of effective methods to improve the...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Energy Savings Performance Contracts for Federal Data Center Consolidation

    The cost of operating and maintaining federal agency data centers is extremely high. Mandates and initiatives have been put in place to address these costs through energy conservation, but with budgets already strained, the initial capital investment can be a daunting hurdle. This paper describes energy savings performance contracts (ESPCs),...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Data Center Temperature Rise During a Cooling System Outage

    The data center architecture and its IT load significantly affect the amount of time available for continued IT operation following a loss of cooling. Some data center trends such as increasing power density, warmer supply temperatures, the “right-sizing” of cooling equipment, and the use of air containment may actually increase...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    The Different Types of UPS Systems

    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. With this information, an educated decision can be made as to the appropriate UPS...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    Watts and Volt-Amps - Powerful Confusion

    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. Many people are confused about the distinction between the watt and volt-amp measures for UPS load sizing. Many manufacturers of UPS and load equipment add...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    Energy Efficient Cooling for Data Centers: A Close-Coupled Row Solution

    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 difficulty in cooling these higher power loads was also increasing. In recent years, traditional cooling system design has proven...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    Data Center Projects: Standardized Process

    As the design and deployment of data center physical infrastructure moves away from art and more toward science, the benefits of a standardized and predictable process are becoming compelling. Beyond the ordering, delivery, and installation of hardware, any build or upgrade project depends critically upon a well-defined process as insurance...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    The Top 9 Mistakes in Data Center Planning

    Why do so many data center builds and expansions fail? This white paper answers the question by revealing the top 9 mistakes organizations make when designing and building new data center space, and examines an effective way to achieve success through the Total Cost of Ownership (TCO) approach.

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    Choosing Between Room, Row, and Rack-based Cooling for Data Centers (duplicate 1- offline)

    Latest generation high density and variable density IT equipment create conditions that traditional data center cooling was never intended to address, resulting in cooling systems that are oversized, inefficient, and unpredictable. Room, row, and rack-based cooling methods have been developed to address these problems. This paper describes these improved cooling...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    Types of Electrical Meters in Data Centers

    There are several different types of meters that can be designed into a data center, ranging from high precision power quality meters to embedded meters (i.e. in a UPS or PDU). Each has different core functions and applications. This white paper provides guidance on the types of meters that might...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    High-Efficiency AC Power Distribution for Green Data Centers

    The use of 240 volt power distribution for data centers saves floor space, simplifies power cabling, saves capital cost, reduces weight, and increases electrical efficiency. This paper describes the various con-figurations for this distribution architecture and quantifies the benefits for the optimal configuration. Note: The methods in this paper only...

    Provided By APC by Schneider Electric

  • White Papers // Sep 2012

    Preparing the Physical Infrastructure of Receiving Data Centers for Consolidation

    The consolidation of one or more data centers into an existing data center is a common occurrence. This paper gives examples of what is becoming a standard architecture for preparing the physical infrastructure in the receiving data center. This approach allows for shorter timelines and high efficiency while avoiding the...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2012

    The Different Technologies for Cooling Data Centers

    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 terms and diagrams. 11 of these methods rely on the refrigeration cycle as the primary means of cooling. Pumped refrigerant systems...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2012

    Data Center Projects: Advantages of Using a Reference Design

    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 data centers and for upgrades to existing data centers. Adopting a well-conceived reference design can have a positive...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2012

    Virtualization and Cloud Computing: Optimized Power, Cooling, and Management Maximizes Benefits

    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 the cooling capabilities of an existing system. Reduced overall energy consumption that typically results from physical server consolidation may actually worsen the data center's...

    Provided By APC by Schneider Electric

  • White Papers // Oct 2011

    Eco-mode: Benefits and Risks of Energy-saving Modes of UPS Operation

    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, because of the known or anticipated side-effects. Unfortunately, the marketing materials for these operating modes do not adequately explain the cost...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2010

    An Improved Architecture for High-Efficiency and High-Density Data Centers

    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 enormous financial burden on industry, and is a significant public policy environmental issue. This paper describes the principles of a new,...

    Provided By APC by Schneider Electric

  • White Papers // Oct 2009

    Energy Impact of Increased Server Inlet Temperature

    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 thermal envelope for server inlet temperature and humidity. A popular hypothesis suggests that total energy demands should diminish as the server inlet temperatures...

    Provided By APC by Schneider Electric

  • White Papers // Mar 2008

    An Improved Architecture for High-Efficiency, High-Density Data Centers

    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 enormous financial burden on industry, and is a significant public policy environmental issue. This paper describes the principles of a new, commercially available...

    Provided By APC by Schneider Electric

  • White Papers // Nov 2007

    A Quantitative Comparison of High Efficiency AC vs. DC Power Distribution for Data Centers

    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...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2014

    High Efficiency Indirect Air Economizer-based Cooling for Data Centers

    Of the various economizer (free cooling) modes for data centers, using fresh air is often viewed as the most energy efficient approach. However, this paper shows how indirect air economizer-based cooling produces similar or better energy savings while eliminating risks posed when outside fresh air is allowed directly into the...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2014

    Specification of Modular Data Center Architecture

    There is a growing consensus that conventional legacy data center design will be superseded by modular scalable data center designs. Reduced total cost of ownership, increased flexibility, reduced deployment time, and improved efficiency are all claimed benefits of modular scalable designs. Yet the term “modular”, when and where modularity is...

    Provided By APC by Schneider Electric

  • White Papers // Feb 2014

    Containerized Power and Cooling Modules for Data Centers

    Standardized, pre-assembled and integrated data center facility power and cooling modules are at least 60% faster to deploy, and provide a first cost savings of 13% or more compared to traditional data center power and cooling infrastructure. Facility modules, also referred to in the data center industry as containerized power...

    Provided By APC by Schneider Electric

  • White Papers // Feb 2014

    Data Center Temperature Rise During Cooling Outages

    The data center architecture and its IT load significantly affect the amount of time available for continued IT operation following a loss of cooling. Some data center trends such as increasing power density, warmer supply temperatures, the “right-sizing” of cooling equipment, and the use of air containment may actually increase...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Impact of Hot and Cold Aisle Containment on Data Center Temperature and Efficiency

    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 are practical differences in implementation and operation that have significant consequences on work environment conditions, PUE, and economizer mode hours. The...

    Provided By APC by Schneider Electric

  • White Papers // Feb 2014

    High Efficiency Indirect Air Economized-based Cooling for Data Centers

    Of the various economizer (free cooling) modes for data centers, using fresh air is often viewed as the most energy efficient approach. However, this paper shows how indirect air economizer-based cooling produces similar or better energy savings while eliminating risks posed when outside fresh air is allowed directly into the...

    Provided By APC by Schneider Electric

  • White Papers // Feb 2014

    Top 9 Mistakes in Data Center Planning

    Why do so many data center builds and expansions fail? This white paper answers the question by revealing the top 9 mistakes organizations make when designing and building new data center space, and examines an effective way to achieve success through the Total Cost of Ownership (TCO) approach.

    Provided By APC by Schneider Electric

  • White Papers // Sep 2012

    Preparing the Physical Infrastructure of Receiving Data Centers for Consolidation

    The consolidation of one or more data centers into an existing data center is a common occurrence. This paper gives examples of what is becoming a standard architecture for preparing the physical infrastructure in the receiving data center. This approach allows for shorter timelines and high efficiency while avoiding the...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    The Top 9 Mistakes in Data Center Planning

    Why do so many data center builds and expansions fail? This white paper answers the question by revealing the top 9 mistakes organizations make when designing and building new data center space, and examines an effective way to achieve success through the Total Cost of Ownership (TCO) approach.

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    Choosing Between Room, Row, and Rack-based Cooling for Data Centers (duplicate 1- offline)

    Latest generation high density and variable density IT equipment create conditions that traditional data center cooling was never intended to address, resulting in cooling systems that are oversized, inefficient, and unpredictable. Room, row, and rack-based cooling methods have been developed to address these problems. This paper describes these improved cooling...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    Types of Electrical Meters in Data Centers

    There are several different types of meters that can be designed into a data center, ranging from high precision power quality meters to embedded meters (i.e. in a UPS or PDU). Each has different core functions and applications. This white paper provides guidance on the types of meters that might...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    High-Efficiency AC Power Distribution for Green Data Centers

    The use of 240 volt power distribution for data centers saves floor space, simplifies power cabling, saves capital cost, reduces weight, and increases electrical efficiency. This paper describes the various con-figurations for this distribution architecture and quantifies the benefits for the optimal configuration. Note: The methods in this paper only...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2012

    The Different Technologies for Cooling Data Centers

    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 terms and diagrams. 11 of these methods rely on the refrigeration cycle as the primary means of cooling. Pumped refrigerant systems...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2012

    Data Center Projects: Advantages of Using a Reference Design

    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 data centers and for upgrades to existing data centers. Adopting a well-conceived reference design can have a positive...

    Provided By APC by Schneider Electric

  • White Papers // May 2013

    Energy Efficient Cooling for Data Centers: A Close-Coupled Row Solution

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    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Allocating data center energy costs and carbon to IT users

    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 allocation? How precise do we need to be? This paper provides an overview of energy cost and carbon...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Energy Efficient Cooling for Data Centers: A Close-Coupled Row Solution

    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 difficulty in cooling these higher power loads was also increasing. In recent years, traditional cooling system design has proven...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Electrical Efficiency Measurement for Data Centers

    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 plan, measure, and improve data center efficiency. In addition to reducing electrical consumption, efficiency improvements can gain users higher IT...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Deploying High-Density Pods in a Low-Density Data Center

    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 high-density pods allow for predictable and reliable operation of high-density equipment without a negative impact on the performance of existing low-density power...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Impact of Hot and Cold Aisle Containment on Data Center Temperature and Efficiency

    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 are practical differences in implementation and operation that have significant consequences on work environment conditions, PUE, and economizer mode hours. The...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Monitoring Physical Threats in the Data Center

    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...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Ten Errors to Avoid When Commissioning a Data Center

    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 is a critical step in determining how the data center operates as an integrated system. The documentation produced as a result...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Implementing Hot and Cold Air Containment in Existing Data Centers

    Containment solutions can eliminate hot spots and provide energy savings over traditional uncontained data center designs. The best containment solution for an existing facility will depend on the constraints of the facility. While ducted hot aisle containment is preferred for highest efficiency, cold aisle containment tends to be easier and...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    TCO Analysis of a Traditional Data Center vs. a Scalable, Containerized Data Center

    Standardized, scalable, pre-assembled, and integrated data center facility power and cooling modules provide a “total cost of ownership” (TCO) savings of 30% compared to traditional, built-out data center power and cooling infrastructure. Avoiding overbuilt capacity and scaling the design over time contributes to a significant percentage of the overall savings....

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Cooling Entire Data Centers Using Only Row Cooling

    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 incompatible with row cooling because it is not arranged in neat rows due to the nature of the equipment...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Practical Options for Deploying IT Equipment in Small Server Rooms & Branch Offices

    Small server rooms and branch offices are typically unorganized, unsecure, hot, unmonitored, and space constrained. These conditions can lead to system downtime or, at the very least, lead to “close calls” that get management’s attention. Practical experience with these problems reveals a short list of effective methods to improve the...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Energy Savings Performance Contracts for Federal Data Center Consolidation

    The cost of operating and maintaining federal agency data centers is extremely high. Mandates and initiatives have been put in place to address these costs through energy conservation, but with budgets already strained, the initial capital investment can be a daunting hurdle. This paper describes energy savings performance contracts (ESPCs),...

    Provided By APC by Schneider Electric

  • White Papers // Apr 2013

    Data Center Temperature Rise During a Cooling System Outage

    The data center architecture and its IT load significantly affect the amount of time available for continued IT operation following a loss of cooling. Some data center trends such as increasing power density, warmer supply temperatures, the “right-sizing” of cooling equipment, and the use of air containment may actually increase...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    The Different Types of UPS Systems

    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. With this information, an educated decision can be made as to the appropriate UPS...

    Provided By APC by Schneider Electric

  • White Papers // Jan 2013

    Watts and Volt-Amps - Powerful Confusion

    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. Many people are confused about the distinction between the watt and volt-amp measures for UPS load sizing. Many manufacturers of UPS and load equipment add...

    Provided By APC by Schneider Electric