P35.011: Polymer and Composite Overhead Transmission Line Insulators

Past EPRI Work on Topic

Product ID Title Description Published Date
3002029594 Analysis of Polymer Insulator Failures: A Study of Flashunders This report shows how tracking and trending flashunder failures helped identify the root of theissue and provides recommendations for addressing existing populations. 2024
3002027063 Tests to Determine Polymer Insulator Resistance to Handling Damage This report summarizes EPRI efforts to develop tests that evaluate the durability of polymer insulators from damage typically caused during handling. 2023
3002024447 Current Development on Non-destructive Weathershed Bonding Assessment EPRI is developing a method to identify polymer insulators with weak bonding between the weathershed and the core using ultrasound scanning. 2022
3002021553 Feasibility Study of Using Steep Front Impulse Tests on Aged Populations Describes efforts to assess field aged insulators suspected of internal defects using steep front impulse testing. 2021