Growing Role Foreseen for UAVs in Power System Applications

January 27, 2018 • ARTICLE ARCHIVE, MaintenanceComments (0)

Perhaps the major constraint to the burgeoning growth of unmanned aerial vehicle (UAV) technology is governmental oversight to ensure their expanded use does not pose risks to civil aviation or the public. Fortunately, new rules from the FAA make it legal, safe and even potentially valuable to deploy these across a wide range of power ...

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Protective Devices Installed to Reduce Wildlife Outages at Distribution Substation

December 2, 2017 • ARTICLE ARCHIVE, Article of the week, Maintenance, Wildlife Protection

Among the most vulnerable links in any power network are the points of interaction between live equipment and wildlife – from birds to scavenging carnivores. Taken together, these creatures present a constant threat to the safe operation of network assets....

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Failures on 400 kV Lines in Venezuela Highlighted Importance of Corona Rings on Composite Insulators

November 25, 2017 • ARTICLE ARCHIVE, Corona, Maintenance

It is already well known that composite insulators used at transmission voltages have to be equipped with corona rings to reduce the risk of severe erosion to their polymeric housings. Yet, there are still cases where such insulators are either installed...

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Thermal Inspections Help Florida Utility Prioritize Maintenance at Substations

November 18, 2017 • ARTICLE ARCHIVE, Inspection, Maintenance

Among the best known technologies to assess the condition of power network assets are infrared and ultraviolet imaging. Both have been used now for decades and rely on specialized cameras that have evolved considerably over the years. The common direction of...

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Insulator Test Station Helps Support Preventative Maintenance Strategy

October 14, 2017 • ARTICLE ARCHIVE, Insulators, Maintenance

While insulators account for less than 10% of the total cost of new overhead lines and substations, the potential consequences of their improper selection and poor performance are estimated to account for up to 60% of the Life Cycle Cost of these...

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Sampling Based Maintenance: Assessing Condition of Composite Insulators After Years of Service

August 26, 2017 • ARTICLE ARCHIVE, Insulators, Maintenance

With their growing popularity as the insulator of choice for many line projects throughout the world, the ideal inspection program for silicone insulators has become a hot topic. This is particularly the case since, even after years of investigating...

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Comparing Maintenance of New Transmission Structures with Traditional Lattice Towers

June 10, 2017 • ARTICLE ARCHIVE, Maintenance

Grid operators worldwide have been under growing pressure to make power structures more aesthetic as one of the most effective ways to help assure public acceptance of new projects. However, line design using monopole towers can also positively impact several...

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Comparing UV & IR Diagnostic Inspection of Lines & Substations

June 3, 2017 • ARTICLE ARCHIVE, Corona, Inspection, IR, Maintenance, UV

One of the issues in maintenance of overhead lines and substations relates to better understanding what is being revealed during ultraviolet or infrared inspections of equipment and hardware. Do these two technologies highlight the same problem or are they...

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