Technical Specifications
Overview
High-Performance Cast Resin Transformer
This cast resin dry-type transformer is engineered for reliable power distribution up to 38.5kV, offering a safe and maintenance-free solution for critical infrastructure. It features a flame-resistant design and low partial discharge, making it ideal for high-density environments like metros, commercial centers, and petrochemical plants. With its robust moisture resistance and superior heat dissipation, it ensures stable performance even under 100% humidity or significant seasonal load surges.
Technical Performance
Key Performance Metrics
- Maximum Voltage
- 38.5 kV
Construction Details
Coil Design
| Component | Structure Description |
|---|---|
| HV Coil | Multi-layer sectional cylinder structure, Grade-F insulation copper wire reinforced with glass fiber |
| LV Coil | Foil type with longitudinal air chamber, automatic winding with argon protection |
| Iron Core | Grain-oriented cold-rolled silicon steel plates with 45-degree lap-jointed seams |
- Insulation Material
- Epoxy resin class H / class C Nomex paper

Operating Conditions
- Working Temperature
- -20°C to 60°C
- Cooling Methods
- AN (Natural Air)AF (Forced Air)
Safety & Protection
Protection & Monitoring
- PT100 Temperature protection device
- 3-Phase winding temperature display
- Hottest winding monitoring
- Sensor-activated alarm and trip signals
- Cooling fan automation
Enclosure & Installation
Available Enclosure Ratings
- Enclosure Materials
- IronStainless SteelAluminum Alloy
Applications
Recommended Applications
- Metros and Underground Systems
- Large Plazas and Commercial Centers
- Petrochemical Enterprises
- Office Buildings
- Locations with seasonal load surges
Compliance
- International Certifications
- KEMACESISGSCSA






