Shin Shinano, Electrical frequency converter station in Asahi, Japan
The Shin Shinano station connects the western and eastern power grids of Japan through high-voltage direct current conversion technology at 125 kV voltage level.
Established in 1977, the facility introduced thyristor-based HVDC systems with specialized oil-insulated valves from Japanese manufacturers Hitachi and Toshiba.
The station represents Japanese engineering excellence in power distribution, enabling the connection between regions operating at different electrical frequencies.
The facility maintains a maximum transmission power of 600 MW, managing power flow between the 50 Hz western grid and 60 Hz eastern grid systems.
The station features a dedicated maintenance workshop where technicians service valve components under controlled conditions to prevent oil contamination.
Location: Asahi
Inception: 1977
GPS coordinates: 36.13722,137.88278
Latest update: March 4, 2025 10:02
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