Corona Rings & Composite Insulators

Composite insulators used at transmission voltages must be equipped with properly dimensioned corona rings to reduce risk of erosion to their housings yet situations still occur where such insulators are installed without rings or where these detach and fall off due to conductor vibration or improper installation. Read More >

Reviewing Insulator Design Criteria, Operating Parameters & Applicable Standards

Line designers face questions when deciding on which insulators to select for a project, including: What is the best design for that environment? What is the best material and what criteria must be taken into account when selecting it? Which parameters are most suitable for in service evaluation of condition? What will be the estimated service life? Read More >