Haley Engel

Associate Marketing Manager Arresters Business Unit Hubbell Power Systems, Inc.

Recent Posts

Gapped vs Gapless Distribution Arresters

Posted by Haley Engel on Mar 1, 2019 2:00:00 PM

When comparing different arrester designs, it is important to understand how the arrester was built to correctly evaluate the amount of protection it will provide. The IEEE C62.11 standard covers two types of Metal Oxide Varistor (MOV) distribution arresters that are available today, internally gapped and gapless. These arresters might look identical from the outside, but the different internal module design affects how the arrester protects voltage sensitive equipment.

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Topics: Arresters

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