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  Safety Testing of HV Cable Terminations, Bushings & Arresters

  in Arresters, Bushings, Cables & Accessories, HV/HP Testing

  While cases of catastrophic failure are rare, they serve as constant reminders of the explosion risks whenever electrical arcing occurs inside a porcelain-housed component filled with oil or pressurized gas. Read More >

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  Maximizing & Validating Ultimate Capacity in High Strength Insulator Applications

  in Insulators

  Power projects with ‘High Strength’ within their scope typically receive special attention since high strength insulators have the potential to improve their efficiency through shorter duration and lower total cost. Read More >

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  Evaluating Reliability of Bushings

  in Bushings

  Although resin-impregnated (RIP) bushings are often referred to as ‘maintenance-free’, some of their parameters must still be monitored prior to putting them into service and on a regular basis thereafter. Read More >

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  Case Study for Application of Composite Interphase Spacers

  in Transmission Structures, Utility Practice & Experience

  Galloping is large amplitude, low frequency, wind-induced oscillation of overhead lines, often from ice accretion on the conductor that modifies its normal cross-sectional shape such that it becomes aerodynamically unstable. Read More >

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  Bad Things Are Going to Happen to Power Lines & Insulators

  in Insulators

  In recent years, there have been a succession of catastrophes across the globe linked to extreme climatic events that also severely cripple power systems in the areas affected. Read More >

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  Applying Sheath Voltage Limiters to Protect HV Power Cables

  in Arresters, Cables & Accessories, Utility Practice & Experience

  If segmentation is used to interrupt induced sheath current, measures must be taken to limit voltage induced on the sheath during transient events. Read More >

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  Protección de terminales neutros de transformadores eléctricos en subestaciones de distribución

  in Bujes, INMR Español, Mantenimiento

  Read More >

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  Looking Back on the Great Ice Storm of 1998

  in Utility Practice & Experience

  It was what could justifiably be called “an electric utility’s worst nightmare”. Read More >

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  Best Practice in Lightning Protection for Distribution Systems

  in Arresters, Woodworth on Arresters

  As demand for reliable power continues to grow worldwide, improving the lightning reliability of distribution systems becomes more and more common. Read More >