Colloquium - Hakodate 2019
- 1-1 : The voltage-sourced converter applied to new Hokkaido-Honshu HVDC link
- 1-2 : Live line maintenance in HVDC ± 800 KV- minimum safety distance and minimum number of insulators in good condition
- 1-3 : Direct current high-voltage gas-insulated switchgear up to ±550 kV
- 1-4 : Application strategies for externally gapped line arresters against lightning outages on the 400 kV overhead transmission lines in Hong Kong
- 1-5 : Development and experience of proficiency test scheme for high voltage testing
- 2-1 : Development of EHV DC circuit breaker with current injection
- 2-2 : UFD with high arc resistance and dielectric recovery characteristics for current commutated hybrid DCCB
- 2-3 : Development of 250 kV DC gas insulated switchgear
- 2-x4 : Optimizing the protection level of surge arrester…