InordertosolveabottleneckprobleminpowernetworksafetyoperationtheElectrotechnicalResearchInstituteundertheChineseAcademyofSciencehasfinishedadevelopmentworkofprototypehigh-temperaturesuperconductingcurrentlimiterwithindependentintellectualpropertyrightsonthebasisofatheoryadvancedonitsown.Suchalimiterhasovercomedisadvantagesinexistingonesworldwide.