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Infrastructure & Technologies

Facing Climate Change Challenges

Overcoming everyday challenges with modern solutions BY DAVE BRYANT, CTC Global Corporation Utilities constantly face challenges associated with climate change. While coal plants are being retired as natural gas and renewable sources are being brought online to reduce greenhouse gas emissions,...
Infrastructure & Technologies

Substation Focused on Environmental Design

One of the important trends in design of new overhead lines over the past 20 years has been development of structures and designs that are less obtrusive and more pleasing visually. Much the same process has also been going on at substations. For example, even 25 years ago, efforts had already been...
Outage Management & Restoration

How to Improve Crew Management

Utility implements new system to expedite restoration process BY BILL PERRY, MARCH 24 Media LLC Assembling and deploying utility crews for major events is often a manual, cumbersome process for utilities. When executives or the media ask the status of crews in the wake of storms, it can take some...
Conductors & Materials

Underground Distribution Sensors

Exploring the benefits of wide-area monitoring BY TED MYERS, On-Ramp Wireless The average citizen and business experiences over 120 minutes of electricity outage duration a year. This has a significant societal impact costing 10s to hundreds of billions of dollars annually. Furthermore, the measure...
Infrastructure & Technologies

Detecting Faults in Underground Networks

Enhancing protection using directional faulted circuit indicators BY CHRISTOPHER EVANICH, Thomas & Betts Underground electrical networks provide reliable service to end users, but create problems for utility personnel in locating faults. Electric utilities who utilize an underground network...
Outage Management & Restoration

Smart Meters for Outage Management

Reviewing the benefits and addressing the obstacles BY RON CLANTON & MARK HOLLIDAY, KPMG LLP The outage management process has undergone remarkable changes over the last several decades. The need to respond to power outages when they occur has been around since the first lines were run from...
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Solving Underground Cable Problems with Partial Discharge Testing

How to prevent failure with partial discharge testing

BY HENNING OETJEN, Megger

Partial discharge (PD) measurements are increasingly used as a reliable and non-destructive diagnostic method to detect weak spots in the insulation of underground cables. Routinely, partial discharge measurements are utilized in laboratories for testing cable reels prior to commissioning and in the field to verify installation quality.

Typically, many factory-testing standards require that workers use a 50/60 hertz (Hz) high-voltage...

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