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  Assessing Sheath Voltage Limiter Failure Caused by Improper Bonding of Cable Sheaths (Video)

  in Arresters, Cables & Accessories

  Steady-state sheath voltages are kept within limits by proper selection of cable section lengths, grounding the sheaths at strategic locations and applying sheath cross bonding for field cancellation. 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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  Mitigating Corona on Composite Line Insulators

  in Corona

  Recent years have been marked by growing cases of failure of composite polymeric insulators linked directly to high electric fields near or on the high voltage end fittings. Read More >

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  Experience with RTV Coated Glass Insulators in Zones of High Salt Contamination

  in Coatings, Insulators, Pollution

  Starting in 2009, RTV coated glass insulators began to be installed to replace polymeric types on lines in problematic coastal areas of Peru. Read More >

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  Interchanging Traditional MV Porcelain Bushings with Composite Polymeric Types

  in Bushings

  Replacement or retrofit of medium voltage bushings is common practice after decades operating a power transformer. Read More >

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  Specifying IEC Certified Arresters

  in Arresters

  Purchasing specifications for surge arresters are typically comprehensive but sometimes request information that is no longer necessary when it comes to MOV type units. Read More >

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  Dimensionamiento de pararrayos para sistemas de subtransmisión que utilizan transformadores de puesta a tierra

  in Aisladores, INMR Español

  Read More >

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  World’s Most Bizarre Power Line Structures

  in Transmission Structures

  INMR presents its selection of the most bizarre power structures seen over nearly 30 years reporting on overhead lines across the globe. Read More >

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  Applying Interphase Spacers to Control Conductor Galloping

  in Utility Practice & Experience

  Composite insulators have offered solutions in such applications as interphase spacers to prevent conductor galloping. Read More >