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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...

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...

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...

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...

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...
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Mobile Apps for Intelligent Power Systems

Building automation is a dynamic industry, largely tied to technological advances. Most recently, the possibility of merging mobile devices with business enterprise applications has had a profound impact. Now a primary source of data consumption and task completion, mobile apps have taken on an integral role as part of building automation and energy management.

Apps are directly putting control into the hands of a variety of users, allowing them to access and optimize their environmental...

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VLF E Series Product Training - T&D Channel

An Ounce of Prevention is Worth a Pound of Cure

The Importance of Through Fault Monitoring for Power Transformers

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Viper®-ST Recloser

Spectrum Industries, Inc

C50 Bushing Monitor

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Electrical Transformer Handbook Vol. 3

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Electrical Testing and Measurement Handbook Volume 7