Understanding the New Energy Handling Tests of IEEE C62.11

There are many parameters of arresters, but its energy rating is near the top in importance. Since arresters are installed on power systems to clamp both lightning surges and switching surges, they can dissipate fairly high levels of energy in the course of this activity....
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Thermal Imaging of Arresters

Thermal imaging is a fast and cost-effective means of quantifying the health of an arrester. This method has been developed over the past 30 years as the use of the thermography equipment has become more effective.
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