Review of the best known methods and offers comments on pros and cons of each.

The most popular method of assessing the health of an arrester is by its external temperature.

Using an AC Hipot or DC Hipot (both also known as a Dielectric Tester) to determine the health of an arrester in the field.

A comprehensive overview of how to analyze a failed arrester to determine the root cause of the failure is covered.

Explanation of the reference voltage of an arrester.
ArresterFacts 027.1 Excel Based AC Conduction Simulator found in Tools and Guides
ArresterFacts 027.2 Video explaning use of demo tool

TOV considerations when selecting an arrester.
ArresterFacts 028.1 Excel Based MOV Arrester TOV Simulator found in Tools and Guides

Overview on the purpose and value of arrester condition monitors

This ArresterFacts offers guidance when selecting the method to test surge arresters away from the lab environment

Topics Covered
   1. New Energy Tests
   2. Modified Duty Cycle Tests
   3. Improved Discharge Voltage Test
   4. Modified Disk Ageing Test