简介:IntroductionThedevelopmentofacompositeoverheadgroundwirewithopticalfiber(OPGW)bytheShanghaiElectricCableResearchInsti-tutionisoneofthemajortaskssetupfortheSeventhFiveYearPlan.ThefeasibilitystudiesofthestructureanddesignofOPGWwasfinishedin1985.In1986,thesampleofOPGW60/80waspreparedandthetypetestswereconducted.Theevaluationofthesamplein