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As an important part of the High Temperature Superconducting (HTS) cable system, the stability and reliability of cryogenic system are the key to successful commercial application for HTS cables. A cryogenic refrigeration system combined of open and closed refrigeration for 35 kV/2000 A HTS cables has been developed. The system passed its trial run after site installation, and was put into operation...
The first cold dielectric insulation (CD) high temperature superconducting (HTS) cable system of China, installed in Baoshan iron&steel Co., Ltd (Baosteel), begins its operation and supplies power for the second EAF on Dec 9th, 2013. The system is a three-phase system with rated capacity of 120 MVA (rated voltage 35 kV, rated current 2000 A). The cables' length is 50m for each phase. The cables...
Stainless steel is usually non-magnetic or low magnetic austenitic stainless steel, which may convert to martensite when mechanical deformed. The stainless steel corrugated pipe becomes magnetic when marttensite exist, which cause hysteresis loss happens when AC current pass through the cable inside the corrugated pipe. In this paper, the hysteresis loss of the corrugated pipe was tested, and the...
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