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The latest news

 

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CIGRE active Working Groups / Call for experts

18 janvier 2021

There are approximatively 250 CIGRE Working Groups (WG) managed by the Study Committees. Every year between 40 and 50 WGs terminate their work by publishing a Report or a Technical Brochure, after the review and approval of their Study Committees. - Read More

Augmented & Virtual reality & XR, Future of Electric power utilities O&M

8 janvier 2021
Virtual reality technology (VR) refers to a kind of computer simulation system, which can emulate reality in the form of a virtual world that can be interacted by users. It uses a computer to generate a virtual environment in which users can immerse themselves in an artificial environment.Read More

Busbar Protection Considerations When Using IEC 61850 Process Bus

8 janvier 2021

Busbar protection systems protect substation busbars and associated equipment from the consequences of short-circuits and earth faults. In the early days of power system development no separate protection device was used for busbar protection. Remote end-line protections served as the main protection for busbar faults. As a result of increased network short-circuit capacity, dedicated differential relays for busbar protections have been applied to limit the damage caused by high fault currents.Read More

The development of a remote temperature logging system for pole mounted distribution transformers

8 janvier 2021
South African power utility company, ESKOM’s fleet of reticulation transformers is greater than 200,000. More than 90% of which are pole mounted transformers (PMT). In the winter months (May to September) the average PMT failure event is 2200. This costs the company R70.4Million ($4.1Million) annually. Additionally, this has a significantly negative impact (>10%) on system average interruption duration index (SAIDI).Read More