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Electrical Grounding and the Weather

How resistance testing is affected by the elements BY JEFF JOWETT, Megger Ground resistance testing is affected by the weather as much as any common electrical test—and sometimes even more so. Both the instrument and the test item are affected. With ground resistance testing, the test item is not...

Compatibility Issues with Generator-Backed Power Systems

Line-interactive uninterruptible power supply (UPS) systems play a vital role in maintaining seamless operation during power outages. Their integration with backup generators, however, can pose challenges regarding synchronization and power quality. While both UPS systems and generators serve as...

INSULATION RESISTANCE TEST

Insulation Resistance (IR) test, often called Megger test, is more than 100 years old and assumed to be a very straightforward test. During my inspection and testing work in the past 15 years in Canada, US, and internationally, I have seen different practices of performing and interpretation of IR...

The Art of Ground Testing

Correcting the misconceptions of ground testing BY JEFF JOWETT, Megger Ground resistance testing is sometimes described as an “art”, and indeed something can be said for that description. Familiarity with the basic issues and common problems, however, can take much of the “art” out of it...

Go with the Power Flow

The importance of load studies BY KATHLEEN WOLF-DAVIS with CASY HENRY, Megger If you’re running an industrial power system—whether for an airport, a mill, a factory or a smelter—you’re focused on more than the traditional utility concept of keeping the lights on. You definitely need that...

Power Usage Effectiveness in Data Centers

Guidance for calculation of efficiency in data centers BY VICTOR AVELAR, Schneider Electric The benefits of determining data center infrastructure efficiency as part of an effective energy management plan are widely recognized. The standard metrics of power usage effectiveness (PUE) and its...
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The Silver Lining of Cloud Security

Design engineers and software developers continue to search for new methods to use cutting-edge technologies to deploy new smart power applications at a rapid pace. The end goal: boost building productivity and maximize the company budget. Cloud computing is one technology used to deliver data to workers as conveniently and securely as possible.

Cloud computing in its current format has been commercially available for mostly the last five years. In the short time, the technology...

Software & Apps Articles

T&D Buyer’s Guide Companies

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Bearing Toolbox for Advanced Bearing Failure Analysis

SEDIVER Powerful project - Churchill Falls Transmission Lines

ON-GUARD Automated Lubrication System

Software & Apps Products

Cut-Resistant and Puncture-Resistant Gloves

Viper-HV sub-transmission overhead recloser

Build-Your-Own Acorn, featuring OmniMax

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Catalog

Electrical Transformer Testing Handbook, Volume 6

Catalog

Automation of T&D Systems Handbook

Catalog

Lighting Handbook, Vol. 1