Partial Discharge Measurements Related to 525 kV HVDC Corridor Projects in Germany

18 Oct 2022
14:00
Frankfurt Conference Room

Partial Discharge Measurements Related to 525 kV HVDC Corridor Projects in Germany

For the first time ever, long land-based transmission links are being implemented with HVDC extruded cable systems at a nominal voltage of ±525 kV. The German Corridor Project cable systems will consist of HVDC extruded cables, joints and outdoor terminations. The 525 kV HVDC cable will be similar to common HVAC cable designs with the main difference being in the conductor, which does not require AC loss optimization even for the highest cross-sections. The focus of this presentation is on the after-installation testing planned for this project according to the relevant standards. The TSOs intend to perform not only DC but also AC voltage testing in combination with on-site partial discharge measurements.

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