Featured Stories
On-Line Cable PD Testing
Imagine this: A new hyper-scale data center is built in rural New Jersey. It has more than 100 25 KV cables. Six…
William G. Higinbotham, EA Technology, LLC
Detecting Partial Discharge on Medium-Voltage Cable Accessories
Hydro-Quebec (HQ) is a major Canadian utility that manages the generation, transmission, and distribution of electricity to more than 3.8 million…
Michel Trepanier and Claude Tremblay, Hydro-Quebec; Lionel Reynaud, Hydro-Quebec Research Institute; and Mathieu Lachance, OMICRON electronics Canada
Acceptance and Maintenance Testing for Medium-Voltage Electrical Power Cables – Part 1 of 3
As time progresses and a cable system ages, the system’s bulk dielectric strength degrades. During this aging process, artifacts such as…
Thomas D. Sandri, Protec Equipment Resources
Columnists
Steven Turner
Arizona Public Service Company
Relay ColumnCondition Monitoring: Generator Stator Ground Capacitance
Paul Chamberlain
American Electrical Testing Co. LLC
Safety Corner
Programs, Policies, Manuals, Procedures, and Training
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Industry Topics
Protection Considerations for an Improperly Installed On-Load Tap Changer
Large power transformers are widely used in the electrical grid, and interconnecting solar farms to the utility is one of their many applications. To control voltage variations throughout the day, an on-load tap changer (OLTC) is used to adjust the ...
