Featured Content

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  Cooling Tower Pollution Impacts Insulation at Power Substations

  in Utility Practice & Experience

  Cooling towers are a major source of pollution at substations located near thermal power plants and their effect can become critical when prevailing winds blow from towers toward the substation. Read More >

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  Procedures & Challenges When Dimensioning DC Insulators

  in Insulators

  Insulators require careful scrutiny since they show significantly different behavior under DC stress than under AC stress. Read More >

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  Corona: Deadly Enemy for Polymeric Insulation

  in Corona

  Polymeric materials are more susceptible to degradation from UV produced by corona than from solar radiation, particularly if the corona takes place close to the material. Read More >

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  Birds: Threat to Lines & Threatened by Lines

  in Wildlife Protection

  Birds and power lines co-exist in what is a close but mutually threatening relationship. Read More >

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  Cómo identificar pararrayos de calidad para la protección contra los sobrevoltajes

  in INMR Español, Pararrayos

  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 >

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  Type & Commissioning Testing of High Voltage Cables

  in Cables & Accessories

  Extruded XLPE cables in underground transmission systems now account for the vast majority of new installations. Read More >

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  Reviewing Insulator Design Criteria, Operating Parameters & Applicable Standards

  in Insulators

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  Selecting Ratings for IEC Distribution Arresters

  in Arresters

  Read More >