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Wildlife Protection

Reduce Wildlife Outages at Distribution Substation

Protective Devices Installed to Reduce Wildlife Outages at Distribution Substation

June 10, 2017 • ARTICLE ARCHIVE, Article of the week, Maintenance, Wildlife ProtectionComments (0)

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. There are plenty of anecdotes of squirrels or feral cats being electrocuted and in the ...

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Bird Streamer Outages

April 15, 2017 • ARTICLE ARCHIVE, Wildlife Protection

The problem of outages on overhead transmission lines due to streamer-type flashovers is caused by typical bird behavior after perching on a tower cross-arm. Before taking-off, they usually empty their bowels and release up to 60 cm3 of excrement mixed with...

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Protecting Overhead Lines & Substations from Wildlife Induced Outages

February 11, 2017 • ARTICLE ARCHIVE, Wildlife Protection

The requirement for more reliable and cost effective power networks continues, with downtime measured (and penalized) in minutes as well as seconds. Over the past 20 years, there has been increasing realization that the uncontrollable external impact of...

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Resolving Pollution & Wildlife Problems on Distribution Systems

Resolving Pollution & Wildlife Problems on Distribution Systems

January 14, 2017 • ARTICLE ARCHIVE, Wildlife Protection

Pollution problems affecting insulators are certainly not new to power companies operating in the southeastern United States. For example, INMR articles from the 1990s reported on major ‘salt storms’ that led to widespread outages, such as in 1991 when...

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Growing Application of Protective Devices Aims to Reduce Outages Triggered by Wildlife

Growing Application of Protective Devices Aims to Reduce Outages Triggered by Wildlife

October 9, 2015 • ARTICLE ARCHIVE, Article of the week, Utility Practice & Experience, Wildlife Protection

Midway through a morning this past June, about 7200 customers in Rock Hill, South Carolina suddenly found themselves without power for at least 45 minutes and some much more. According to the municipal utility, a squirrel had managed to get inside a...

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wildlife interaction

Performance Attributes for Cover Type Wildlife Protective Devices

September 10, 2015 • Photo of the week, weekly-photo, Wildlife Protection

The scale of the problem of wildlife interaction with energized equipment is alarming. Tens of millions of birds are believed to die each year due to contact with lines and substations. This high bird mortality is however only one side of the problem since...

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12. Bird Pecking

Bird Damage to Silicone Insulators: A Still Unresolved Issue

October 9, 2014 • ARTICLE ARCHIVE, Editorial Columns, Scene from China, Wildlife Protection

Damage to composite insulators caused by bird pecking has been reported in other countries for many years now with sometimes startling images of what can happen. However, such problems with damage due to birds and other animals was seldom reported in China...

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Tropical Paradise, Yes But Not for Overhead Distribution

Tropical Paradise, Yes, But Not for Overhead Distribution

August 1, 2014 • ARTICLE ARCHIVE, Article of the week, Utility Practice & Experience, Wildlife Protection

This picturesque, palm-filled scene from southern Thailand conveys a sense of nothing but serene, natural beauty. Yet, lurking hidden in this same image are some of the most important stresses that adversely impact overhead distribution – coastal pollution,...

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