High-voltage step-up and step-down transformers for power generation and long-distance power transmission networks.
CNHMDL's high-voltage power transformers are engineered for critical power transmission and distribution applications. With capacities ranging from 10MVA to 500MVA and voltage ratings up to 765kV, these transformers form the backbone of modern power grids worldwide.
Featuring advanced insulation technology, superior voltage regulation, and exceptional reliability, our HV transformers ensure efficient power transmission with minimal losses. Each unit is designed to meet the most demanding operational requirements and international standards.
| Capacity Range | 10MVA - 500MVA |
| Voltage Rating | 110kV - 765kV |
| Frequency | 50/60 Hz |
| Phase | Three Phase |
| Type | Step-Up / Step-Down |
| Cooling | ONAN/ONAF/OFAF/ODAF |
| Insulation | Class A / Oil Immersed |
| Connections | YNd1, Dyn11, YNy0, Yd11 |
| Tapping Range | ±5% or ±2×2.5% |
| Voltage Regulation | Better than ±1% |
| Certification | ISO 9001, CE, IEC, ANSI |
Designed for ultra-high voltage applications up to 765kV.
Advanced insulation technology ensures reliable performance.
Optimized design minimizes transmission losses.
Proven track record in critical infrastructure worldwide.
Meets European safety and quality standards.
Engineered to meet specific project requirements.
Generation step-up transformers for all types of power plants.
EHV and UHV transmission substations.
National and regional grid interconnections.
Primary distribution substations for utilities.
Large-scale industrial power distribution.
Cross-border power transmission and interconnection.
Our engineering team can design custom high-voltage transformers for your specific transmission and distribution requirements.
