Technical Library :: Schneider Electric Data Center Solutions

Technical Library

Here you will find whitepapers, application guides, presentations, articles, case studies and demos available from Square D Company Critical Power Competency Center.

CPCC's new Technical Reference Library is updated regularly and provided as a free service to data center professionals including consultants, engineers, contractors, and data center owners and IT operators.

Case Studies
- Critical Power
  - RagingWire & Critical Power Competency Center: Partnering for Success
    
    Abstract: RagingWire Enterprises, a 200,000 sq/ft Tier IV data center discusses how its strategic partnership with Square D CPCC contributes to its reliability, uptime and ultimate success.
- Power Logic
  - Information Saves $100K Annually Plus $1 Million Cost Avoidance
    
    Abstract: When a metal manufacturing plant in the northeast was forced to consider a substation upgrade totaling nearly $1 million, information from their PowerLogic system convinced the company to simply switch loads to three other existing substations.
  - Facility Engineer Finds Novel Use, Extra Value from Power
    
    Abstract: When Mike Krone considered a Square DÆ PowerLogicÆ power management system, he did so based on more beneficial features and fewer hidden costs. Once the system was installed he discovered unexpected added value.
- Power Monitoring
  - Data Center Power Monitoring System Simplifies Generator Testing
    
    Abstract: A large data center was concerned about the reliability of their emergency diesel generator to provide power for their critical loads in the event they lost utility power.
Application Theories
- AT301 – Line to Ground Voltage Monitoring on Ungrounded and Impedance Grounded Power Systems
  
  Abstract: Power monitoring devices are sometimes used on ungrounded and impedance grounded systems to record and alarm on line to ground voltages. This recorded line to ground voltage data can be manipulated using a host of data analysis tools to evaluate insulation stress on power system components . However, ungrounded and impedance grounded systems have specific issues that impact proper application of metering equipment. Voltage transformers are especially prone to misapplication. This paper is intended to provide a road map for proper application of power monitoring in these circuits.
- AT302 – Low Voltage Circuit Breaker Guidelines for Data Centers
  
  Abstract: Circuit breaker reliability is the key to data center reliability. As such, a detailed evaluation of the circuit breaker design and functionality at the design stage of the data center is extremely important. Consulting engineers and the end users of data center power systems must understand basic circuit breaker application guidelines in order to ensure the highest levels of reliability.
- AT303 – Case History of Data Center Ground Fault Protection Optimization
  
  Abstract: Data center power systems may be high resistance grounded or solidly grounded. In either case, in order to comply with stringent requirements for power availability and quality, multiple power sources are tied together through various arrangements of circuit breakers with automatic transfer schemes. The use of solid grounding creates multiple return paths for fault currents, which makes the design of the ground fault system rather complex. However, no industry standard exists to guide the consulting engineers and users who ultimately specify these systems.
- AT304 – Power Monitoring for Modern Data Centers
  
  Abstract: By their nature, mission critical facilities such as Internet data centers are prime candidates for power monitoring systems. By employing monitoring systems to analyze system-wide historical and real-time power data, facility managers can reduce the cost of electricity and improve its quality and reliability.
- AT305 – Maintaining the Long Term Reliability of Critical Power Systems
  
  Abstract: Critical applications require uninterruptible power of a high quality. The most basic of these systems, such as the systems used to supply the critical branch of power in hospitals, utilize automatic throw-over switches. The most advanced systems are found in data centers where UPS (Uninterruptible Power Supply) and generator equipment maintain the continuity of power without one cycle of interruption.
- AT306 – Power Monitoring Systems Can Resolve Ground Relay Tripping
  
  Abstract: To assure critical power in many industrial and commercial facilities, medium voltage power is often switched between alternate sources. In these power systems, each individual feeder often supplies multiple transformers. The automatic transfer operation energizes all the transformers and their loads in one block, resulting in transformer inrush current on phase relays and ground relays. Where a ground relay tripping occurs, maintenance personnel may “solve” the problem by increasing the relay settings. The problem is that increasing the settings reduces the sensitivity of the relay, which reduces the likelihood of catching a fault online; late detection of faults allows more arcing and other damage.
- AT307 – Switchgear Design Impacts the Reliability of Backup Power Systems
  
  Abstract: When a cascaded sequence of events led to the ultimate collapse of a highly interconnected power transmission system, the Northeastern “blackout” of 2003 demonstrated that the present utility infrastructure will not adequately support critical processes. And despite the fact that power-monitoring technology has been available to record the sequence of events down to millisecond resolution, the deployment of such technology was insufficient to construct a uniform explanation for the events.
- AT308_Power System Equipment Maintenance and Long-term Servicing
  
  Abstract: No engineered system can run indefinitely without the need for maintenance, and the electric power equipment found in data centers is no exception to this rule. This paper discusses how equipment servicing and maintenance is crucial to the long-term operation of a data center power system, typical maintenance intervals and servicing activities for different types of equipment and how the consideration of maintenance in the initial design of a data center enhances reliability in the long-term.
- AT309_Tackling Todays DC EE Challenges
  
  Abstract: Energy consumption is a growing concern for data centers. Advances in server equipment technologies and increased demand for computing power have increased load densities in the computer room, which in turn has caused corresponding increases in data center power consumption. Energy efficiency measures are thus of high importance for data center designers, operators and owners. This paper outlines a software-based approach to the data gathering, trending and analysis that are necessary to apply successful energy efficiency measures in data center environments.
- AT310_System Grounding and GF Protection for DCs
  
  Abstract: In order for data centers and related facilities to properly operate as designed and intended, it is extremely important that care be given to the effective installation and maintenance of bonding and grounding systems. This paper presents the fundamentals of power system grounding, fundamental definitions and requirements of the National Electrical Code® (NEC®) with respect to grounding, the need for low voltage ground fault protection and how it is implemented, and special grounding requirements imposed by the data center operating environment. This paper also provides a summary of the applicable NEC articles, a review of clauses from specific IEEE® Standards, and listing of other references related to bonding and grounding in data center facilities. This paper also outlines and explains the principal purposes for an effectively bonded and grounded system. Also addressed are the requirement of four-wire systems versus three-wire systems, arrangements that require the installation of modified differential ground fault (MDGF) protection system, and the effects of system grounding upon surge protection and power quality. This paper reviews common installation inadequacies and construction issues, and will provide a list of common conditions that cause bonding and grounding systems within data center facilities to become inadequate or deteriorated over time. Testing and maintenance requirements of grounding systems are also discussed.
- AT311_System Grounding and GF Protection Methods for UPS
  
  Abstract: The use of solid grounding for UPS-supplied power systems is currently a common practice in data centers. The use of conventional ground fault protection systems in this application often leads to circulating currents and nuisance tripping, resulting in the desire to defeat or exclude ground-fault protection altogether. 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. In addition, the alternative of high-resistance grounding for this application is discussed, along with its advantages and disadvantages.
- AT312_Short-circuit Coordination and Arc-flash Studies for DCs
  
  Abstract: Data center power systems present unique challenges for the application of electrical equipment. These challenges, such as multiple operating modes, must be carefully implemented if the desired system performance under normal and abnormal conditions is to be achieved. This paper describes the challenges that a typical data center presents to the system study engineer, common pitfalls that must be avoided, and describes how a well-performed system study is crucial to the successful performance of a data center power system.
- AT313_Power System Harmonic Fundamentals
  
  Abstract: This paper provides an overview of harmonic considerations for designing industrial and commercial electric power distribution systems. These power systems must serve a combination of loads, many of which produce non-sinusoidal current when energized from a sinusoidal AC voltage source. While conventional power distribution systems accommodate a significant amount of non-sinusoidal current, the design engineer can utilize existing IEEE guidelines and basic software tools to avoid some special circuit and load configurations that exacerbate harmonic distortion problems.
- AT314_Elegant Ground-fault Solutions for Impossible Problems
  
  Abstract: Low-voltage power distribution systems are typically grounded by one of two generally accepted methods, high-resistance grounded systems (a derivative of the ungrounded system) and solidly-grounded systems. High-resistance grounded systems have gained in popularity due to the fact that the first line-to-ground fault does not cause a disruption of service and is favored for continuous processes or critical loads. For power systems that cannot be monitored by qualified maintenance personnel, or for other reasons, the solidlygrounded system still has widespread use. A four-wire solidly grounded system can become very complex, involving many sources, points of grounding, and networks of distributed power. This paper discusses a method of providing equipment ground-fault protection to seemingly impossible systems. Index terms — Ground-fault protection, low-voltage power systems, power system protection.
- AT314B_Elegant Ground-fault Solutions for Nearly Impossible Problems
  
  Abstract: Low voltage, four-wire power systems are becoming increasingly complex, involving many sources, grounding points and networks. In some instances, these large, complex electrical systems can have up to seven sources of power, seven independent ground points and a distribution system containing 37 circuit breakers connecting 19 independent buses. The complexity of these systems is compounded by the fact they must meet National Electrical Code (NEC) requirements by providing low level ground fault protection. Is there an ideal ground fault solution to such difficult electrical system problems? And if so, what properties would comprise an ideal ground fault system? This is the first part of a two-part article that explores the properties of an ideal ground fault protection scheme for complex systems. Part two of the article describes a technique developed by Schneider Electric to design ideal ground fault protective schemes for complex systems – a solution that has become known as an elegant ground fault system.
- AT315_Comparison of Arc-flash Incident Energy Reduction Techniques
  
  Abstract: Increasing industry awareness of arc-flash hazards has led to the development of a number of techniques for the reduction of arc-flash incident energy levels with low-voltage power circuit breakers. This paper describes the system parameters that control arc-flash incident energy levels and how these parameters can be controlled in different ways to achieve reductions in these energy levels when low-voltage power circuit breakers are used. Practical applications of these techniques to power systems utilizing low-voltage power circuit breakers are presented and analyzed. The effects of implementing these techniques vs. system reliability are also discussed. Index terms — Arc Burn, Arc Burn prevention, Arc-flash, Circuit Breakers, Industrial Power System Protection, Industrial Power System Reliability, Occupational Health and Safety, Power System Faults, Power System Maintenance, Power System Protection.
- AT316_Critical Power Automatic Transfer Systems
  
  Abstract: An important requirement of mission-critical electric power distribution systems is the need for automatic operation. In particular, the rapid and reliable transfer of the system from one power source to another during certain system events is crucial to achieving the reliability goals for such system and the facility it serves. However, the design of such an automatic transfer system is all-too-often considered “less important” than many other aspects of the over-all power system design. The results of this can be far-reaching and, in some cases, catastrophic with respect to the reliability of the system. This paper outlines the design considerations for automatic transfer in the mission-critical power environment, and gives recommendations as to how these considerations can be reliably implemented into an automatic transfer system.
- AT320_Backup Power_Back to The Basics
  
  Abstract: In today’s business climate, reliability requirements force the consideration of backup power when power from the electric utility is unavailable. But what type of backup power? With the number of available backup power solutions on the market today the issue of just what solution fits a particular facility should be considered before making such a crucial (and expensive!) investment.
- AT321_Power System Event Reconstruction Technologies
  
  Abstract: Reliability principles indicate that, due to component degradation, no power system can operate 100% of the time indefinitely. Back up and recovery procedures are designed to save the critical load in an emergency condition. The key to incident recovery is in the ability to quickly understand what went wrong and implement corrective actions. New power monitoring systems can re-construct the sequence of events such as circuit breaker tripping, static switch transfer, etc., down to 1 ms resolution. This paper discusses this technology and the necessity of its application to modern data centers.
- AT322_Loading Considerations When Paralleling Transformers
  
  Abstract: Sometimes existing transformers are paralleled in industrial and commercial facilities when facility engineers, consultants or maintenance staffs are looking for ways of making power systems more reliable, provide better power quality, prevent voltage sags, or for additional load requirements. This article addresses the limiting conditions of connecting transformers in parallel and loading considerations when turn ratios, impedances and kVA ratings are different. Most engineers know that these parameters are important when paralleling transformers but there are some misconceptions of when circulating currents actually exist.
- AT323_DC Power System Reliability Beyond The Nines
  
  Abstract: Reliability has always been the focus of mission-critical power system design. While a rigorous mathematical approach to reliability is necessary to achieve the best results, the techniques used can be misunderstood or misapplied. Further, those practical elements so crucial to successful implementation are too-frequently overlooked. This paper gives an overview of the theoretical underpinnings of power system reliability analysis and the limiting “real-world” factors that must be used to temper any rigorous mathematical approach.
Whitepapers
- DCIM / Data Center Management Software
  - Energy Savings from Building Energy Management Systems
    
    Abstract: Building Energy Management Systems (BEMS) have the ability to save energy and improve productivity by creating a comfortable working environment.
  - Guide for Reducing Data Center Physical Infrastructure Energy Consumption in Federal Data Centers
    
    Abstract: In an effort to create a clean energy economy, recent U.S. presidents and congress have issued a series of legislation and executive orders requiring federal agencies to increase energy efficiency and reduce carbon emissions in government facilities. Vivek Kundra, Federal Chief Information Officer, is supporting that effort by establishing a federal data center consolidation initiative to help reduce energy consumption in over 1,100 federal data centers. U.S. federal data center managers are on a timeline to respond with their final consolidation plan. This paper analyzes the implication of these mandates and offers recommendations for how to improve energy efficiency in federal data centers.
  - Classification of Data Center Management Software Tools
    
    Abstract: 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 and efficient data center operation. This paper divides the realm of data center management tools into four distinct subsets and compares the primary and secondary functions of key subsystems within these subsets. With a classification system in place, data center professionals can begin to determine which physical infrastructure management tools they need – and don’t need – to operate their data centers.
- Power System Reliability
  - Power System Reliability Beyond the 9's - A Practical Approach
    
    Abstract: Reliability has always been the focus of mission-critical power system design. While a rigorous mathematical approach to reliability is necessary to achieve the best results, the techniques used are often misunderstood or misapplied.
  - Beyond The Nines
    
    Abstract: A practical approach to data center system reliability
  - Beyond The Nines (Mission Critical Magazine, 3/1/08)
    
    Abstract: Mission Critical Magazine-3/01/2008 Modern data center power systems represent the ultimate in optimization for reliability. Article presents a practical approach to data center power system reliability based on the whitepaper by Bill Brown.
- Energy Efficiency & Energy Management
  - Tackling Today's Data Center Energy Efficiency Challenges - A Software-Oriented Approach
    
    Abstract: Learn how to reduce energy consumption in the data center, decreasing both escalating energy prices and the capital costs associated with the infrastructure that serves energy to the computer and server environment.
  - Mission Critical Magazine (February 2009): Tackling Today's Data Center Energy Efficiency Challenges - A Software-Oriented Approach
    
    Abstract: Energy consumption is a growing concern for data centers as advances in server equipment technologies and increased demand for computing power have increased load densities in the computer room, causing corresponding increases in data center power consumption. Energy efficiency measures are thus of high importance for data center designers, operators, and owners. This paper outlines a software-based approach to the data gathering, trending, and analysis that are necessary to apply successful energy efficiency measures in data center environments.
  - Allocating Data Center Energy Costs and Carbon to IT Users
  - Guidance for Calculation of Efficiency (PUE) in Data Centers
  - An Improved Architecture for High-Efficiency, High-Density Data Centers
  - Hot Aisle vs. Cold Aisle Containment
- Power Distribution & Backup Power
  - Defining the Needs of Modern Data Center Power Systems,
    
    Abstract: In modern data centers, uninterruptible power upplies (UPS) provide the critical power for computer equipment and is a critical requirement for today's modern data centers.
  - Power System Event Reconstruction for Data Centers (Energy & Power Management, 3/2007)
    
    Abstract: Getting back up and running is critical when a disaster strikes. Learn how to recover a data center with event reconstruction technologies.
  - Low Voltage Circuit Breaker Guidelines For Data Centers
    
    Abstract: Circuit breaker reliability is the key to data center reliability. A detailed evaluation of the circuit breaker design and functionality at the design stage of the data center is extremely important and determines vitality of the power system.
- Automatic Transfer
  - Critical Power Automatic Transfer Systems Design and Application
    
    Abstract: An important requirement of mission-critical electric power distribution systems is the need for automatic operation. In particular, the rapid and reliable transfer of the system is critical.
  - Switchgear Application Issues for Mission Critical Power Systems
    
    Abstract: With the advent of high reliability data centers and telecommunication facilities, designers of commercial power face new challenges including local power generation and advanced transfer systems.
  - Critical Power Switchgear: Automatic Transfer Systems (Data Center Journal, 6/2007)
    
    Abstract: Data Center Journal-6/2007 An article featured in the Data Center Journal discusses automatic transfer systems for critical power applications based on the whitepaper by Bill Brown and Jay Guditis.
- System Grounding & Bonding
  - Understanding the Differences Between Grounding, Bonding and Earthing
    
    Abstract: Avoiding confusion about the differences between grounding, bonding and earthing can help customers maximize process uptime, safety, and profits
  - Mission Critical Magazine (Spring 2009): System Grounding and Ground Fault Protection Methods for UPS-Supplied Power Systems
    
    Abstract: The use of solid grounding for UPS-supplied power systems is currently a common practice in data centers. The use of conventional ground fault protection systems in this application can lead to circulating currents and nuisance tripping, resulting in the desire to defeat or exclude groundfault protection altogether.
  - Critical Power System Reliability and the Art of Ground Fault Protection
    
    Abstract: Critical power systems are designed to comply with stringent requirements for power availability and quality. In order to comply with these requirements, multiple power sources are tied together for power optimization.
  - Elegant Ground Fault Protection Systems / Zero Phase Sequence Currents in Three Wire Power Systems
    
    Abstract: Power Systems associated with data centers have become very complex in an effort to maintain power system reliability. Such systems typically employ multiple sources of power involving multiple grounds.
  - Elegant Ground Fault Solutions For Nearly Impossible Problems: What is Ideal?
    
    Abstract: Low voltage, four-wire power systems are becoming increasingly complex, involving many sources, grounding points and networks.
  - System Grounding and Ground Fault Protection for UPS
    
    Abstract: Explore 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; also discusses the alternative of high-resistance grounding for this application is discussed and its advantages and disadvantages.
  - System Grounding and Ground Fault Protection for Data Centers
    
    Abstract: This paper presents the fundamentals of power system grounding, fundamental definitions and NEC requirements for grounding, the need for LV ground fault protection and implementation, and special grounding requirements imposed by the data center operating environment. Also addressed are requirements for 4-wire versus 3-wire systems, installation of modified differential ground fault (MDGF) protection systems, and the effects of system grounding upon surge protection and power quality.
  - Low Voltage Ground Fault Protection Optimization for a Modern Data Center, A Case History
    
    Abstract: Data center power systems are designed with stringent requirements for power availability and quality. A common approach is to use solidly grounded low voltage power sources. These sources are tied together through various arrangements of circuit breakers with automatic transfer schemes. Because of the multiplicity of ground return paths, design of the ground fault systems for these switchboards is rather complex. However, no industry standard exists to guide the consulting engineers and users who ultimately specify these systems. This paper serves to illustrate the basic principles and the problems with solid grounding through the case history of the design of one data center. Further, this paper will demonstrate that the ideal circuit breaker for these applications incorporates two independent ground fault sensing units.
- Power Monitoring
  - Line-to-Ground Voltage Monitoring on Ungrounded & Impedance-Grounded Power Systems
    
    Abstract: Intelligent Electronic Devices (IED) are sometimes used on ungrounded and impedance grounded systems to record and alarm on line to ground voltages. The line to ground voltage data can be recorded.
  - Power Monitoring for Modern Data Centers
    
    Abstract: By their nature, mission critical facilities such as Internet data centers are prime candidates for power monitoring systems. Learn how to employ monitoring systems to analyze system-wide historical and real-time data.
  - Power System Event Reconstruction Technologies for Modern Data Centers
    
    Abstract: Reliability principles indicate that, due to component degradation, no power system can operate 100% of the time indefinitely. Learn how to employ back up and recovery procedures designed to save the critical load.
- Arc-Flash
  - Comparison of Arc-Flash Incident Energy Reduction Techniques Using Low-Voltage Power Circuit Breakers
    
    Abstract: Increasing industry awareness of arc-flash hazards has led to the development of a number of techniques for the reduction of arc-flash incidents.
- Protective Relaying
  - Microprocessor Based Relays Can Resolve Ground Relay Tripping
    
    Abstract: Microprocessor based relays offer new options for counteracting the growing problem of ground relay tripping in commercial buildings. Learn how to resolve ground relay tripping with protective relaying techniques.
- Harmonics
  - Power System Harmonic Considerations: Tips & Tools for Harmonic Distortion in Electronic Drive Apps
    
    Abstract: Power systems must serve a combination of loads, many of which produce non-sinusoidal current when energized from a sinusoidal ac voltage source. Learn considerations for handling power system harmonic distortion in electronic drive applications.
- Switchgear Application
  - Switchgear Design Impacts the Reliability of Backup Power Systems
    
    Abstract: Switchgear design can impact the reliability of backup power systems as demonstrated when a cascaded sequence of events led to the ultimate collapse of a highly interconnected power transmission system causing the Northeastern ìblackoutî of 2003.
- Equipment Service & Maintenance
  - Power System Equipment Maintenance and Long Term Servicing Requirements for Data Centers
    
    Abstract: This paper discusses how equipment servicing and maintenance is crucial to the long-term operation of a data center power system, typical maintenance intervals and servicing activities for different types of equipment, and how the consideration of maintenance in the initial design of a data center enhances reliability in the long-term.
- Data Center Overview
  - Data Center Physical Infrastructure: Optimizing Business Value
  - Virtualization and Cloud Computing: Optimized Power, Cooling, and Management Maximizes Benefits
  - Creating Order from Chaos in Data Centers and Server Rooms
  - Guidelines for Specification of Data Center Power Density
- Data Center Planning
  - Data Center Projects: Standardized Process
  - Data Center Projects: Project Management
  - Data Center Projects: System Planning
  - Data Center Projects: Growth Model
  - Data Center Projects: Establishing a Floor Plan
- Power Fundamentals
  - The Different Types of UPS Systems
  - Calculating Total Power Requirements for Data Centers
  - Watts and Volt-Amps: Powerful Confusion
  - The Seven Types of Power Problems
  - A Quantit ative Com parison of High Efficiency AC vs. DC Power Distribution for Data Centers
- Cooling Fundamentals
  - Calculating Total Cooling Requirements for Data Centers
  - Air Distribution Architecture Options for Mission Critical Facilities
  - How and Why Mission-critical Cooling Systems Differ from Common Air Conditioners
  - Fundame ntal Princip les of Air Conditioners for Information Technology
  - The Different Types of Air Conditioning Equipment for IT Environments
  - The Advantages of Row and Rackoriented Cooling Architectures for Data Centers
- Power Best Practices
  - Rack Powering Options for High Density in 230 V AC Countries
  - Rack Powering Options for High Density
  - High-Efficiency AC Power Distribution for Data Centers
  - A Scalable, Reconfigurable, and Efficient Data Center Power Distribution Architecture
- Cooling Best Practices
  - Avoidable Mistakes that Compromise Cooling Performance in Data Centers and Network Rooms
  - Cooling Strategies for IT Wiring Closets and Small Rooms
  - Energy Efficient Cooling for Data Centers: A Close-Coupled Row Solution
  - Cooling E ntire Data Centers Using Only Row Cooling
- Management Best Practices
  - Monitorin g Physical Threats in the Data Center
  - How Moni toring Sys tems Reduce Human Error in Distributed Server Rooms and Remote Wiring Closets
  - Classification of Data Center Management Software Tools
  - Power and Cooling Capacity Management for Data Centers
- Hot Topic: High Density
  - Ten Cooling Solutions to Support High-density Server Deployment
  - Cooling Strategies for Ultra-High Density Racks and Blade Servers
  - Five Basic Steps for Efficient Space Organization within High Density Enclosures
  - Impact of High Density Hot Aisles on IT Personnel Work Conditions
  - Deploying High-Density Pods in a Low-Density Data Center
- Hot Topic: Energy Efficiency
  - Estimating a Data Center’s Electrical Carbon Footprint
  - Implementing Energy Efficient Data Centers
  - An Improved Architecture for High-Efficiency, High-Density Data Centers
  - Electrical Efficiency Measurement for Data Centers
  - Guidance for Calculation of Efficiency (PUE) in Data Centers
Sales Collateral
- Power Logic
  - Advanced Power Reliability Solutions
    
    Abstract: Complete line of advanced power reliability solutions by Square D PowerLogic, ranging from remote and web-enabled power management systems to power monitoring and event recording solutions.
  - Power Logic Equipment Optimization Solutions
    
    Abstract: Optimize your equipment with PowerLogic optimization solutions.
  - Power Logic Retrofit Kit
    
    Abstract: PowerLogic solutions guide to equipment retrofit capabilities.
  - Power Logic Support Services
    
    Abstract: Power Logic support services solutions for critical power applications.
  - Power Logic Utility Cost Reduction
    
    Abstract: Learn how to reduce utility costs with Power Logic solutions.
  - Power Logic Energy and Power Management Systems Product Range Overview
    
    Abstract: Complete overview of energy and power management systems for critical power applications from Square D Power Logic.
  - Energy Reduction & Power Reliability Solutions
    
    Abstract: Reduce energy without sacrificing power system reliability with Square D PowerLogic solutions.
  - PowerLogicÆ Web-Enabled Network Components: Access valuable energy and power information from your system
    
    Abstract: Selection Guide comparison of Square D/Schneider Electric PowerLogic web-enabled network components that are built on open Modbus standards.
  - PowerLogicÆ Web-Enabled Network Component Selection Guide
    
    Abstract: Leveraging existing infrastructures, all support Ethernet connectivity and web technologies designed for all critical power applications.
- Critical Power
  - Products for Critical Power Applications, Digest 174
    
    Abstract: See our complete line of Square D medium and low voltage power distribution products and equipment for critical power applications.
  - Mission Critical Power Distribution Diagram
    
    Abstract: One-Line diagram demonstrating power distribution in a mission critical data center environment.
  - Data Center Product Application Guide
    
    Abstract: Schneider Electric offers a complete line of high quality MV and LV power distribution products for critical power applications. Includes drawout switchgear and switchboards, power monitoring and control systems, motor control centers, and more.
- Energy Management
  - Total Energy Control Program
- Transparent Ready
  - Transparent Ready Power Distribution Equipment - Level 1
    
    Abstract: Profile of the entire line of Transparent Ready power distribution equipment available from Schneider Electric.
- Data Center Solutions
  - Data Center Solutions – Making the Connections (2010)
    
    Abstract: The Schneider Electric Data Center Solutions team introduces the six domains of the data center: power, cooling, rack systems, management, physical security and services. Schneider Electric can ‘make the connections’ between IT and facilities, efficiency and availability, design and deployment. Get connected to efficiency and availability from rack to row to room to building.
  - Arc Flash Safety
    
    Abstract: Electrical arc flash accidents are devastating to the affected workers and their families, and they can have very damaging financial consequences to the worker’s employer and its liability insurers. Square D Services can provide your organization with the information you need to understand the dangers of arc flash and what you can do to comply with electrical workplace safety requirements.
  - Single-source Services for the Life-cycle of Data Centers
    
    Abstract: Schneider Electric can take the complexity out of the unique maintenance and servicing requirements of data centers. As part of the Schneider Electric family, Critical Power and Cooling Services (CPCS) and Square D Services offer a unique, single-source service solution throughout the life-cycle of the data center.
  - Schneider Electric Critical Power & Cooling Services
    
    Abstract: Schneider Electric proudly offers an extensive global network of factory-certifi ed fi eld service engineers (FSEs) with advanced systems knowledge and expertise. Everyone in our highly skilled fi eld service network is trained directly by the people who know the products best—our product developers. What does this mean for you? It means that our FSEs are the best in the industry at quick and accurate troubleshooting and diagnosis of system issues. This proven know-how results in a briefer time to repair and minimal downtime.
  - Custom Integration for Data Centers
    
    Abstract: With expertise in electrical distribution, automation and control systems, Square D Services can integrate, install and commission your data center project for optimal performance. Whether the application is financial, colocation, e-commerce, tele-communications or enterprise, we recognize the importance of on-time delivery in tight data center construction deadlines.
  - Equipment Modernization
    
    Abstract: In an industrial facility, nothing operates without a reliable flow of electricity. Therefore, it is critical to properly maintain the switchgear that houses overcurrent protective devices, including circuit breakers, fuses or protective relays. However, even with annual maintenance there may be instances where repairs and/or upgrades are necessary. Factors to consider include the operating environment, the availability of spare parts, reliability and the cost of ongoing maintenance. Another consideration may be the need to increase the switchgear’s fault or continuous current rating or the desire to upgrade technology. As a result, facility managers are often faced with the choice of maintaining aging (or obsolete) equipment or replacing it with a new switchgear line-up to take advantage of current technology.
  - IP Convergence
    
    Abstract: Security command centers typically rely on multiple applications to secure a facility. Each application – from security management and video surveillance to intercom exchange, intrusion detection and biometric enrollment – typically has its own user interface, reporting process and audit trail. And that makes training staff, maintaining multiple systems, and managing operations complex and costly. Schneider Electric tackles these issues head-on with an integrated control platform featuring an easy-to-use interface and flexibility to customize. Our security solution takes information sharing to the next level over an IP-enabled network. Security personnel share voice, data, image and video information among multiple applications – anytime, anywhere using a PC or the latest handheld mobile device.
Technical Documents
- Transparent Ready
  - Transparent Ready Power Distribution Equipment Level 1
    
    Abstract: TRANSPARENT READY power distribution equipment provides a secure window to your operations. By using your existing IS infrastructure, it allows you to monitor power usage, power quality, and equipment status from the comfort of your own desk.
Product Information
- Solutions for High-Density Environments
  
  Abstract: High-density (HD) zones enable new technologies and unlock the doors to data center efficiency. APC® by Schneider Electric lets you deploy an HD environment anytime, anywhere.
- Data Center Energy Efficiency KPI Solution
  
  Abstract: The Data Center Energy Efficiency KPI Solution is the latest PowerLog- ic solution developed to help IT and data center managers accurately benchmark efficiency within their facilities.
- Sequence of Event Recorder Software Module
  
  Abstract: If you have ever experienced an unplanned power outage, you know that it can take hours or days to get the system back up and running. With the PowerLogic® Sequence of Events Recorder (SER) Module, recovery time can be reduced to minutes. SER is a root-cause analysis software tool ideal for pinpointing the cause of a service disruption in very large, complex power systems.
- PowerLogic® Energy and Power Management Systems
  
  Abstract: With the world’s largest, most advanced range of software, meters, breakers and relays, PowerLogic systems work to help reveal reliability risks and new cost-saving opportunities.
- PowerLogic® ION Enteprise
  
  Abstract: PowerLogic ION Enterprise Data Center Module is the ideal power management software tool for data centers and facilities with critical power needs. It provides electrical visibility and insight into your data center, helping you gain energy savings and overall improved efficiency and productivity.
- Model III Package Unit Substations
  
  Abstract: Whether renovating or completing new construction, Schneider Electric’s Square D® Model III Package Unit Substations offer space-saving, compact design and efficient performance in one, complete module.
Diagrams & Schematics
- Critical Power
  - Mission Critical Power Distribution Overview
    
    Abstract: Our complete product line of Square D products are featured in this electrical one-line representation of high quality medium- and low-voltage power distribution and power monitoring equipment.
Newsletters
- Critical Connection Newsletter
  - Critical Connection Newsletter, Spring 2008, Vol. I, Issue 2
    
    Abstract: The second edition of our new Critical Connection Newsletter written by Square D Critical Power Competency Center engineers and other experts.
  - Critical Connection Newsletter -Fall 2008, Vol.1, Issue 1
    
    Abstract: The debut issue of the Critical Connection newsletter is here! The first of our semi-annual newsletter publication, Fall Volume 1 contains news, events, expert profiles, article abstracts, and more written by Square D engineers and other experts.
Press Releases
- Schneider Electric Releases New Whitepaper on Power System Equipment Maintenance and Long-Term Servicing Requirements for Data Centers
- Schneider Electric Releases New Technical Whitepaper on Short-Circuit, Coordination and Arc-Flash Studies to Online Library
- Schneider Electric Adds New Educational Videos on Bonding and Grounding a Data Center to Online Library
- One Schneider Approach to Fall 2009 7X24 Exchange
- One Schneider in Action at AFCOM/Data Center World
- New Educational Video Series Available - Automatic Transfer Systems, Part 1 & Part 2
- Automatic Transfer Systems Ensure Critical Loads Receive Reliable Power Required to Function
- Energy Management For Data Centers: Tackling the Challenges
- Schneider Electric Announces New Ethernet Connectivity - 11/30/2007
  
  Abstract: Global power and automation leader Schneider Electric today announced a Web-enabled Ethernet communications card option for its compact Square D PowerLogic PM800 series power meters, designed to optimize the monitoring of electrical installations.
- Schneider Electric Introduces the PowerLogic ION Enterprise Data Center Module for Critical Power Applications
  
  Abstract: Schneider Electric announces the Data Center Module for ION Enterprise, the simplest, and most efficient way to add data center visibility to electrical monitoring systems in critical power applications.
- Model III Package Unit Substation Product Brief
  
  Abstract: Whether renovating or completing new construction, the Square D Model III Package Unit Substation offers the most space-saving, compact design and efficient performance in one complete module.

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