Designing & Testing Solid-Core Bushings for Long Service Life

Bushings are devices enabling one or several conductors to pass safely through an earthed partition such as a wall or tank, in most cases that of a HV power transformer. Although not the costliest component of a transformer, bushings nonetheless have an important influence on its service reliability. Read More >

Design & Installation of Composite Insulators for ±525 kV DC Line

The TSO in Norway recently reinforced the transmission grid in the country's southwest due to a new HVDC submarine cable connection to Germany. The biggest challenge was construction of the 525 HVDC NordLink Line - a 53 km bipolar triplex bundle line connecting to the 500 km submarine cable. Read More >


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INMR offers expert independent technical content for T&D engineers and professionals. Special emphasis is on design, operation and maintenance of overhead lines, substations and power cable networks as well as on testing and certification of key components such as insulators, surge arresters, bushings, power cables and cable accessories, and more.

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