2026 Guizhou Hydropower Station: On-site Insulating Oil Treatment for Underground 220kV Transformer
| Field | Content |
| Client | Guizhou Hydropower Station (State Grid) |
| Project Date | 2026 |
| Location | Guizhou, China |
| Equipment | CHINON Filtration Insulating Oil Filtration Machine |
| Challenge | Insulating oil purification for a massive 220kV 240MVA transformer located 20 meters deep underground with huge vertical drop |
| Technology | On-site oil filtration and vacuum degasification, perfectly passing all rigid dielectric strength and performance tests in one go |
