Substation Arrester Selection

Posted by Haley Engel on Jun 13, 2018 10:04:00 AM

Surge arresters can extend the life of system assets by limiting the voltage across expensive substation equipment during a switching surge event. Station class arresters must be carefully selected to provide the best protection.

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Topics: Arresters, Substation

Line Performance Improvement

Posted by Ryan Freeman on May 1, 2018 2:26:00 PM

Consumer demands for reliable electric power have continued to increase over the years with technological advances. The prevalence of high tech devices has required utilities to provide near uninterrupted service. 

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Topics: Arresters, Transmission

Distribution System Reliability

Posted by Hubbell Power Systems on Apr 3, 2018 10:37:00 AM

Distribution lines are likely targets for lightning strikes. Once the lightning touches the line, the surge divides and travels both directions. The lightning surge will then probably cause an insulator to flash over. Why?  

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Topics: Distribution, Arresters

How to Select the Right Arrester

Posted by Hubbell Power Systems on Mar 5, 2018 4:25:50 PM

Power surges can damage electronic equipment if not adequately protected. Surge arresters protect a variety of equipment, distribution transformers, power transformers, underground cable, and insulators, from overvoltage. The proper arrester selection can prevent equipment damage. 

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Topics: Arresters

The Evolution of Surge Protection Technology

Posted by Ryan Freeman on Jan 16, 2018 10:24:36 AM

Lightning protection devices date back to the mid 1700’s. Early technology, such as the lightning rod, originally provided protection for homes, before being adapted for use on the telegraph and electric grids.

The modern term “arrester” was first used in the mid 1800’s for simple gap devices that protected telegraph lines. These products consisted of a simple gap and could be operated remotely by the telegraph worker. 

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Topics: Arresters

11 Tips for Installing Line Arresters

Posted by Ryan Freeman on Dec 5, 2017 10:36:00 AM
  1. Follow the directions, recommended work practices and be safe when installing line arresters.
  2. Inspect the packaging and product for signs of damage.
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Topics: Arresters

How to Install Substation Arresters

Posted by Hubbell Power Systems on Nov 7, 2017 10:06:35 AM
  1. To install substation arresters, follow the directions, recommended work practices and be safe.
  2. Inspect the packaging and product, looking for signs of damage.
  3. Verify kV rating on nameplate, carton/crate label and shipping documents all agree.  If they do not, stop and contact Hubbell Power Systems, Inc. prior to installation.
  4. Locate and read all installation instructions included with the packaging. If there are any questions, now is the time to ask. 
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Topics: Arresters

A Guide to Installing Distribution Arresters

Posted by Hubbell Power Systems on Aug 24, 2017 10:55:00 AM

To install distribution arresters:

1. Follow the directions, recommended work practices and be safe.

2. Inspect the packaging and product, looking for signs of damage: packaging (left) and dented nameplate (right).

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Topics: Distribution, Arresters