Featured Content

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  Best Practices for Bushing Installation

  in Bushings

  The grid is composed of many components, sometimes with sub-components that all require specific know-how. Read More >

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  Practical Guidelines for Condition Assessment of Transmission Insulators

  in Insulators, Maintenance

  While there are a variety of methodologies for inspecting insulation, few are as rapid and cost-effective as simple visual observation conducted by experienced inspectors. Read More >

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  Monitoring Condition of Surge Arresters

  in Arresters

  Metal oxide surge arresters have high reliability and will function as intended almost indefinitely, assuming that they have been well designed, properly manufactured and operated within their specified range of applied voltage, temporary overvoltage, surge magnitude and surge energy. Read More >

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  Unique INMR Photos from 30+ Years & The ‘Back Stories’

  in Insulators

  Since its founding 33-years ago, INMR has covered power line and substation projects on all continents and toured hundreds of factories for electrical equipment as well as most high voltage and high power laboratories worldwide. Read More >

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  Development of Polymeric Insulation for Today’s Network Requirements

  in Utility Practice & Experience

  Composite insulators have become the dominant type selected for use on overhead lines and have also been growing rapidly in application at substations. Read More >

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  PD Measurements for HVDC Cable Projects

  in Cables & Accessories

  For the first time ever, long land-based transmission links are being implemented with extruded cable systems at a nominal voltage of ±525 kV. Read More >

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  Overview of Failure Modes of Line Insulators

  in All Articles, Insulators

  Electrical, mechanical and environmental service stresses can result in significant differences in types and rates of failures of the three different insulator technologies. Read More >

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  A los aisladores les pueden pasar cosas malas

  in Aisladores, INMR Español

  Read More >

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  Composite Insulating Cross-Arms for 400 kV Lattice Towers

  in Utility Practice & Experience

  A great deal of research has been devoted to finding tower designs that utilize composite cross-arms to replace insulators as well as traditional steel cross-arms. Read More >