| Consulting
Engineer White Papers, Case Histories |
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| Selective Coordination | |
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 Selectivity Guidelines For Square D® PanelboardsThe natural advantages of circuit breakers make them the logical choice for overcurrent protection. New requirements in the National Electrical Code for emergency and legally required standby systems make it advantageous to consider selective coordination at the beginning of the design process. View or download (104Kpdf) |
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Guide to Power System Selective Coordination 600V and Below With the inclusion of new language in the 2005 National Electrical Code® (NEC®), the requirements for selective coordination of electrical power systems are, at present, more stringent than ever before. View or download (962Kpdf) |
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Short Circuit Selective Coordination for Low Voltage Circuit Breakers Presents short circuit selective coordination data for various combinations of Square D low voltage circuit breakers. View or download (2.3MBpdf) |
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Enhancing
Short Circuit Selective Coordination with Low Voltage Circuit Breakers Presents techniques for improving the short circuit selective coordination of low voltage circuit breakers used in electrical distribution systems. View or download (1.2MBpdf) |
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LA High Magnetic Withstand Circuit Breaker—The Power Solution for Mission Critical Loads Presents the LA Mission Critical Circuit Breaker as a viable solution to mission critical applications requiring Selective Coordination. View or download (181Kpdf) |
| Electrical System Environment | |
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Electrical
Equipment and Components in Adverse/Corrosive Environments Reminds users of environmental restrictions for the installation of electrical equipment and components in a corrosive environment. View or download (70Kpdf) |
| Circuit Breakers vs. Fuses | |
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A Comparison of Circuit Breakers and Fuses for Low-Voltage Applications This paper gives a feature-by-feature comparison of the merits of circuit breakers vs. fuses, discussing the relative merits of fuses and circuit breakers in each section. While both circuit breakers and fuses are available for application in systems that operate at higher voltage levels, the focus of this guide is on low-voltage systems operating at 600 V or below. View or download (381Kpdf) |
| Enclosed Drives | |
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Short
Circuit Current Ratings For Enclosed Drives, |
| Healthcare | |
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Assessing the Health of Your Healthcare Facility's Electrical Power Distribution System This paper gives the basic considerations that should be taken into account for a power system assessment for a health-care facility, including codes compliance and grounding issues. The procedures for carrying out a typical assessment are also outlined, as well as the “gotchas” to be aware of that could compromise performance and/or safety. View or download (622Kpdf) |
| Power Quality Solutions | |
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| Critical Power Applications | |
| Critical Power Technical Library (Requires Registration/Login) | |
| Water/Wastewater | |
| Generator Loading, Harmonics Monitoring and Mitigating Analysis in a Water Treatment Plant The use of harmonic simulations to estimate the reduction in harmonic current that could be achieved byspecific modifications. View or download (143Kpdf) |
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| Simple Mistakes Lead to Harmonic Distortion Problems in Water Treatment Plant This paper offers simple calculation methods to predict problems in advance and outlines solution options to reduce operating problems in a WWT facility. View or download (338Kpdf) |
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| Power System Harmonic Mitigation for Water and Wastewater Treatment Plants This paper reviews the nature and sources of harmonics for water and wastewater treatment plants. View or download (130Kpdf) |
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| Arc Flash in the Water/Wastewater Industry: No Longer an Emerging Issue While water treatment and wastewater treatment facilities have sometimes been viewed as being outside the requirements of new arc flash standards, this perception is rapidly changing. View or download (210Kpdf) |
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