Publication: Optimization and Cold Test of a Triaxial 2G HTS Power Cable With High Current Capacity
Дата
2021
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Triaxial HTS AC power cables, that incorporates three HTS phases wound around a single core within a single cable is considering the optimal solution for low and medium voltages. Such a design permits to save expensive HTS conductor and to increase the power density transmitted. It is difficult to increase the transmission capacity of a triaxial cable by increasing its operating voltage and therefore, insulation thickness between phases. The other way is to increase the operation current by using a multilayer structure in each phase of the triaxial cable. This task demands a complicated optimization analysis and a precise manufacturing technology. Following our previous studies, we developed and tested the triaxial cable prototype with two layers per phase made of ReBCO wire. The optimal parameters of the cable (twist pitch, diameters of phases, etc.) have been determined using the numerical simulation methods developed. DC and AC tests of the cable has been performed. In the result, the feasibility to provide a uniform current distribution in a triaxial cable, each phase of which consists of two layers, has been demonstrated. With the outer diameter of similar to 24 mm only, this is the most compact triaxial HTS power cable manufactured and tested up to date with currents up to 4 kA per phase. The anticipated power transfer with three phases of this cable can he as large as similar to 34 MW.
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Optimization and Cold Test of a Triaxial 2G HTS Power Cable With High Current Capacity / Fetisov, SS [et al.] // IEEE Transactions on Applied Superconductivity. - 2021. - 31. - № 5. - 10.1109/TASC.2021.3051401
URI
https://www.doi.org/10.1109/TASC.2021.3051401
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http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000617364900002
https://openrepository.mephi.ru/handle/123456789/23711