Featured Content

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  Dielectric Frequency Response to Diagnose Condition of Bushings

  in Bushings, Maintenance

  A problem with even a single bushing can result in transformer equipment damage and failure, increased power system disturbance, and loss of load. Read More >

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  Protecting Overhead Lines & Substations from Wildlife Induced Outages

  in Wildlife Protection

  There has been increasing realization that the uncontrollable external impact of wildlife has been responsible for a far greater proportion of unplanned power outages than previously acknowledged. Read More >

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  Dielectric Strength & Air Density

  in Commentary by Pigini

  While a number of atmospheric parameters can affect the dielectric strength of external insulation, relative air density and absolute humidity are considered the most significant. Read More >

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  Testing Extruded Cable Systems up to 525 kV DC: Laboratory Experience & Requests from Market

  in HV/HP Testing

  Test laboratories have received requests to verify performance of HVDC cable systems up to 525 kV, starting with Type Tests for integrity of a project and continuing with Pre-Qualification Tests to evaluate reliability. Read More >

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  Key Issues for Future of Composite Insulators

  in Insulators

  Application of silicone composite insulators has increased significantly over the past 30 years and one of the key factors behind continued growth will be the confidence shown in them by power utilities. Read More >

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  Reconditioning, Recycling & Disposal of Insulators

  in Insulators

  Given scrutiny of issues linked to climate change, the power industry is paying more attention to the net ecological impact of network components – from extraction of raw materials to how they are manufactured to what happens to them at end-of-life. Read More >

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  Cable Accessory Technologies & Developments to Watch

  in Cables & Accessories

  Polymeric cables have be­come a cost-effective and reliable solution for all AC applications and voltages and also for most DC cable applications. 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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  Implementing a Compact 400 kV Line

  in Utility Practice & Experience

  Integration of renewable energy sources into the electrical system in Germany has required adapting and expanding the existing grid. Read More >