Premium oil-filled transformers with superior heat dissipation and long service life. Designed for high-power applications up to 500kV.
CNHMDL's oil-immersed power transformers are engineered for high-voltage power transmission and distribution systems. With capacities ranging from 100kVA to 100MVA and voltage ratings up to 500kV, these transformers deliver reliable performance for utilities and industrial customers worldwide.
Featuring advanced insulation systems, superior heat dissipation, and robust construction, our oil-immersed transformers ensure optimal performance even in the most demanding operating conditions. Each unit undergoes comprehensive testing according to international standards.
| Capacity Range | 100kVA - 100MVA |
| Voltage Rating | Up to 500kV |
| Frequency | 50/60 Hz |
| Phase | Three Phase |
| Cooling | ONAN/ONAF/OFAF/ODAF |
| Insulation | Class A (Oil) |
| Connections | YNd1, Dyn11, YNy0 |
| Tapping Range | ±5% or ±2×2.5% |
| Temperature Rise | 65K (Oil) / 85K (Winding) |
| Certification | ISO 9001, CE, IEC, ANSI |
Advanced oil cooling system ensures efficient heat dissipation for optimal performance.
Durable construction and premium materials ensure extended service life beyond 30 years.
Rigorous quality control and testing ensure reliable performance in all conditions.
Optimized design reduces no-load and load losses for energy-efficient operation.
Wide range of voltage ratings to meet diverse application requirements.
CE, IEC, and ANSI certified for use in international markets.
Generation and transmission substations for power plants.
Transmission and distribution substations.
Large-scale industrial facilities and factories.
Electric utility transmission and distribution networks.
Infrastructure and large construction projects.
Wind and solar farm interconnections.
Our engineers can design custom oil-immersed transformers for your specific voltage and capacity requirements.
