|
To transmit energy in the most efficient way possible over your network requires simulation of actual performance to see where losses and saturation are occurring. Corrective action could include more efficient conductors, real-time monitoring and superconductors.
Energy loss can be vastly reduced by new cable designs and high-voltage DC underground and submarine cables.
 Decrease losses by more than 20% : Nexans can replace saturated ACSR cables with AAAC-Z conductors that carry more energy. In certain conditions, replacing saturated ACSR OHL with superconductors underground cables which can carry more energy would even cut global losses by more than 40%.
 Know the true transmission capacity in real time, which increases transmission capacity significantly for over 90% of the time : Nexans provides tension based Dynamic Line Rating for overhead transmission lines. This technology also protects the transmission lines from overheating and sagging beyond safety limits. Nexans has installed the system for over 100 utility customers. Currently Nexans is supporting installations in Texas for ONCOR within the framework of the American Recovery and Reinvestment Act of 2009.
 For the Long Island Power Authority (LIPA) in NY, Nexans installed the world’s first high voltage superconducting cable making it possible to transfer much higher power than a standard underground cable. Not only does the system allow bi-directional power links, it has no thermal or electromagnetic impact on the environment.
 To counter significant, non-operational energy losses by utilities (sometimes up to 25-30%) and dangerous overloading, Nexans developed a concentric LV copper cable which causes a short circuit when pierced by “jaw” clamps. An economical aluminum version discourages copper theft and comes in various designs, with “cool” connectors. In cooperation with Eletropaulo, 120 km of anti-robbery cable of five different sizes were installed for the Paraisopolis Social Project in São Paolo (Brazil).
 High-voltage DC cables deliver high power capacity over longer distances, in both terrestrial and submarine conditions. Nexans HVDC submarine cables are connecting Northern Ireland and Scotland, while another cable runs under the Channel between Dover and Calais. An Integrated Return Conductor eliminates the magnetic field, thus protecting the marine environment.
|
Nahoře
