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  Increasing Confidence in Transmission Line & Substation Insulators

  in Insulators

  Proper dimensioning of insulators requires knowing both site contamination and insulator withstand to specific types of contaminants. Read More >

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  Infrared & UV Inspection of Overhead Transmission Lines

  in Corona, Utility Practice & Experience

  For corona activity to exist, a high electric field is needed in combination with how the shape of energized components can influence that field. Read More >

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  On-Line Condition Monitoring & Field Testing of Surge Arresters

  in Arresters, HV/HP Testing

  Monitoring surge arresters has become part of an industry-wide trend toward greater condition assessment of key network components and an increasingly popular methodology allowing for condition-based maintenance. Read More >

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  Coating Porcelain Line Insulators to Prevent Pollution Flashover

  in Coatings, Insulators

  Taking down and coating existing porcelain long rod insulators with RTV silicone was deemed more cost effective than the alternative of a wholesale change in insulator technology. Read More >

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  Selecting Post Insulators for Disconnectors & Other Substation Applications

  in Insulators

  Many factors must be considered when optimizing choice and sizing of insulators for substation applications, including mechanical, electrical, environmental, functional and economic considerations. Read More >

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  Synthetic Dry Bushings for Application in HV Power Transformers & Reactors

  in Bushings

  Bushings for transformers and other applications have evolved considerably, from simple hollow insulators made of porcelain to more elaborate engineered designs. Read More >

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  Considerations in Arrester Lead Design & Application

  in Arresters

  When installing a surge arrester of a particular type, design details for ideal mounting arrangement and how best to deal with line and earth lead issues can prove a challenge. Read More >

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  Material & Design Requirements for MV Cable Accessories

  in Cables & Accessories

  Cable accessories perform the key function of ensuring required insulation either at the connection points of cables or at their ends. Read More >

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  Reviewing Insulator Design Criteria, Operating Parameters & Applicable Standards

  in Insulators

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