Home > SCB 10kV Energy-Saving Cast Resin Dry Type Transformer (30-5000 kVA)
Product Overview:
The 10kV Energy-Saving Cast Resin Dry Type Transformer is a premium, flame-retardant power solution designed for maximum safety and efficiency in indoor environments. Utilizing advanced epoxy resin vacuum casting technology, this dry type transformer successfully converts 10kV primary grid voltage to 0.4kV secondary load voltage without the use of flammable insulating oils.
Built to strictly comply with international standards (IEC60076, UL, CE), this energy-saving transformer eliminates oil leak risks, minimizes fire hazards, and dramatically lowers maintenance costs. With a broad capacity range from 30kVA up to 5000kVA, it is the ideal infrastructure choice for high-rise buildings, commercial centers, hospitals, subway systems, and highly regulated industrial facilities.
Key Advantages:
• 100% oil-free, flame-retardant, and self-extinguishing for ultimate indoor safety
• High-quality silicon steel core for remarkable energy savings and low noise
• Imported epoxy resin cast under vacuum ensures zero partial discharge
• Robust overload capacity under forced air cooling (AF)
• Maintenance-free, moisture-proof, and compact design
| TECHNICAL PARAMETERS (DRY TYPE TRANSFORMER) | |
|---|---|
| Installation Environment | Indoor Installation |
| Rated Capacity | 30 - 5000 kVA |
| Rated Voltage (HV / LV) | 10 kV / 0.4 kV |
| Impedance (%) | 4 - 10 |
| Insulation Class | Class F / Class H |
| Vector Group | Dyn11, Yyn0 |
| Insulation Level | LI75AC35/AC5 |
| Safety Features | Flame retardant, self-extinguishing, moisture-proof |
| Execution Standards | IEC 60076-11, GB 20052-2024, GB/T 1094.11-2022, GB/T10228-2023, UL, CE |
The core strength of this cast resin transformer lies in its superior coil insulation. The high and low voltage windings are encapsulated in premium, imported epoxy resin mixed with glass fiber. The casting is performed under strict vacuum conditions, ensuring a solid, bubble-free, and void-free insulation matrix. This virtually eliminates partial discharge, granting the transformer an exceptionally long operational lifespan and high mechanical strength against short-circuit electro-dynamic forces.
To meet modern energy conservation targets, the transformer's magnetic core is constructed from high-permeability, cold-rolled grain-oriented silicon steel sheets. The joints utilize a fully oblique, multi-stepped overlapping design. This minimizes magnetic reluctance at the corners, drastically reducing no-load losses (iron loss) and operational noise. As an energy saving transformer, it provides facility owners with a shorter payback period through significantly reduced daily electricity waste.
Traditional oil-immersed transformers present innate fire risks and require fire-rated containment vaults. This dry type power transformer is inherently flame-retardant and self-extinguishing. It will not contribute to a fire, nor will it release toxic gases when exposed to open flames. Furthermore, the dense epoxy resin coating makes it highly moisture-proof, allowing the transformer to be safely energized without pre-drying, even after periods of shutdown in high-humidity environments.
The combination of high-grade Class F (155°C) or Class H (180°C) insulation and excellent heat dissipation allows for highly flexible load management. Under Natural Air (AN) cooling, it reliably outputs 100% of its rated capacity. When equipped with optional cross-flow cooling fans (Forced Air - AF), the transformer can safely sustain significant temporary overloads—ideal for accommodating sudden peak demand spikes in commercial or industrial operations.
The structural layout is optimized for high power density, resulting in a compact footprint and lighter overall weight, making it significantly easier to install in confined indoor substation rooms. Additionally, the transformer is equipped with an intelligent temperature control system. PT100 thermistors embedded in the low-voltage coils provide real-time temperature monitoring, automatically triggering cooling fans and triggering alarms to guarantee foolproof operation.
Unlike oil-immersed transformers, our epoxy resin cast dry-type transformers contain no flammable liquids. They are flame-retardant, self-extinguishing, and eliminate the risk of oil leakage, making them the safest choice for high-rise buildings, hospitals, subway systems, and indoor data centers.
The core is constructed from premium cold-rolled silicon steel with optimized stepped joints, significantly reducing no-load losses and idling currents. This energy-saving transformer design ensures long-term operational efficiency and faster payback periods for commercial and industrial facilities.
We offer both Class F (155°C) and Class H (180°C) insulation options. These high-grade insulation systems provide excellent thermal endurance and superior dielectric strength, ensuring the transformer operates safely and reliably even in highly demanding environments without degrading.
Yes. Under natural air cooling (AN), it delivers 100% of its rated capacity. When equipped with forced air cooling fans (AF), the system can safely handle significant temporary overloads (up to 50% continuously or higher for short durations), providing excellent flexibility for peak power demand periods.
