HTS Triax™ Energy Cable Systems

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High-temperature superconductor technology(HTS) is the key technology fortomorrow’s electricity market. Compared with copper conductors, HTS ceramic cableshave a number of signifi cant advantages. For example they can conduct electric current without resistance at app. 200°C below zero. Transmission capacity is five timeshigher than that of conductors made of copper, while current loss is reduced to one tenth. The development of HTS cables is inseparably linked to the name nkt cables. However, nkt cables is not just one of the ...

Vydal: nkt cables s.r.o. Autor: nkt cables

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. The line cooling stations are compact units active coolers that can placed intermediate locations along the line. Distances of 2-6 are possible for compact sys- tems. Closer spacing the cooling stations improves the energy efficiency the cable systems but requires supply- and service- points several locations along the line. The reliability of the cable cooling system guaranteed through the following three features: Redundant cooling machines a matrix coolers Eight hours backup a cold storage tank Continuous 2/7 advanced surveillance by cooler operations center The cooling power can divided between one several cooling stations.6 Terminal Cooling Station Line Cooling Station Terminal Cooling StationTerminal Cooling Station Line Cooling StationLine Cooling StationLine Cooling Station Terminal Cooling Station Terminal Cooling Station Line Cooling Station Cooling System The following cooling solutions have been developed with Praxair Inc. The distance between cooling stations depends the available cross sec- tion for pumping the cooling ﬂuid. The matrix coolers consists N+1 or N+2 closed-cycle, low-maintenance coo- ling units. Cooling solutions can develo- ped together with major cryogenics system suppliers fit individual user requirements. The emer- gency backup features are located the terminal cooling stations