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Dielectric testing of gasinsulated HVDC systems


Development of DC transmission technologies is progressing rapidly and with this, gas-insulated HVDC systems are of particular interest. Since no standards for (dielectric) testing of HVDC gas-insulated systems are currently in place, CIGRE Joint Working Group JWG D1/B3.57 considered this topic in detail. Based on the basic phenomena and insulation properties at DC voltage and over­voltage stresses, a dielectric testing procedure is suggested. It comprises type testing including the DC insulation system test, routine testing and onsite testing, as well as the prototype installation test.


File Size: 15,6 MB

Pages NB: 198

Study Committee:  B3, D1 ?

WG (TF): JWG D1/B3.57

Year: 2021

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