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Hazards of
Single-Phase Arc Flash
Electrical Safety Measures, July/August 2009 (1.15 MB)
Many people have questions about how to determine the hazard level associated with 1-phase arc flash incidents. This article presents different methods for assessing the hazards of high- and low-voltage 1-phase equipment. |
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Limitations of Arc Flash Hazard Tables
Electrical Line, July/August 2008 (438 KB)
It's important to understand the Hazard/Risk Category levels listed in NFPA 70E, but it's just as important to understand the limitations of these tables. If these limitations aren't considered, you may be jeopardizing the safety of electrical workers. |
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Assessing Low-Voltage Arc Hazards
Electrical Source, June 2008 (980 KB)
Arc flash safety is an integral part of any workplace safety program. This article explains how arc flash software is essential to identifying and analyzing high-risk arc flash areas, so you can help keep your electrical staff safer. |
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Evaluating NFPA 70E Arc Flash Hazard Category Tables
Electrical Products & Solutions, September 2007 (511 KB)
This article sheds some light into the assumptions and generalizations utilized by the NFPA 70E Table 130.7(C)(9)(a) and to describe its limitations and shortcomings which may lead to an improper selection of Personal Protective Equipment (PPE). |
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Evaluating the Hazards of Low-Voltage Arcs
Electrical Products & Solutions, June 2007 (1.16 MB)
This article discusses methods available for calculating the incident energy released by an arc fault in low-voltage equipment. It also presents considerations to determine the worst-possible hazard associated with energized work at different locations of the equipment. |
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Wind Industry Focus: ETAP Wind Turbine Generator
Wind Today, Q4 2006 (3 MB)
Power engineers are using ETAP to model wind turbine generators, model turbine and controller characteristics for dynamic stability analysis, and calculate megawatts (MW) and reactive power generation based on wind speed and turbine characteristics. |
