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The 35kV cast-resin dry type transformer is a core equipment for medium-high voltage and large-capacity distribution systems. Utilizing an enhanced resin-cast insulation and a dual-mode highly efficient cooling system (natural + forced air), it combines the eco-friendly, fire-resistant benefits of dry-type equipment with the supreme insulation and voltage endurance of 35kV power systems. 35kv dry type transformer is perfectly suited for regional grid hubs, large industrial park main stations, data centers, modern chemical/mining plants, and renewable energy integrations. It provides long-term, stable large-capacity transmission in standard climates (-25℃ to 40℃).
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast + 35kV High Insulation + Dual-Mode Cooling.
• Warranty: 3-Year Standard Warranty.
Product Features
Enhanced resin casting ensures excellent flame retardant properties. Oil-free operation eliminates combustion risks, while meeting strict 35kV high-voltage insulation demands.
Meets Tier 2 efficiency. Highly pure copper windings and premium silicon steel drastically reduce losses during large-scale power transmission, saving substantial OPEX.
Engineered as a 35kv dry type transformer for 35kV systems, this medium voltage dry type transformers model features a robust mechanical structure to withstand short-circuit impacts and overvoltage, ensuring long-term stable regional distribution.
Features a dual-mode natural + forced air cooling system. Forced air cooling allows the unit to easily handle continuous heavy loads and peak overloads without overheating.
No oil testing or changing required. Routine checks simply involve wiping cooling channels and inspecting terminal connections, yielding ultra-low operational costs.
Optional smart monitoring system tracks winding temperatures, load currents, partial discharge, and insulation resistance remotely to avoid manual high-voltage inspections.
Key Specifications (35kV Dry Type Transformer Class)
| Parameter | Typical Value | Description |
| Rated Capacity | Custom (e.g., 1000kVA) | Scalable for large industrial parks, renewable integration, and 35kV data centers. |
| Rated Voltage | HV: 35kV | LV: 10kV / 0.4kV | Standard 35kV high-voltage input precisely matched with downstream grid needs. |
| Vector Group | Dyn11 / Yyn0 | Mainstream connections ensuring seamless integration and balanced load supply. |
| Impedance | 6% ~ 8% (35kV Class) | Standard impedance tailored to effectively limit short-circuit currents at 35kV. |
| No-Load Loss | Approx. 1.65kW (1000kVA) | Tier 2 compliant; low idle energy consumption saves substantial electricity costs. |
| Load Loss (120℃) | Approx. 9.5kW (1000kVA) | Copper windings highly efficiently convert large-scale loads. |
| Winding Temp. Rise | ≤ 100K (Class F) | Enhanced resin insulation and dual-cooling prevent high-temp insulation aging. |
| Partial Discharge | ≤ 15pC | Extremely reliable high-voltage insulation ensures baseline operational safety. |
| Cooling Method | AN / AF (Dual Mode) | Natural air cooling for standard loads; forced air handles peak 35kV loads safely. |
Detailed Description
The 35kV cast-resin dry type transformer is a core equipment engineered for medium-high voltage, large-capacity distribution. It employs enhanced resin-cast insulation and a dual-mode cooling system (natural and forced air), marrying the oil-free, environmentally friendly, and flame-retardant safety of dry-type systems with the immense dielectric strength required by 35kV grids. The 35kv dry type transformer is the premier choice for demanding scenarios such as regional grid hubs, high-voltage data centers, modern chemical and metallurgical plants, and large-scale wind/solar integrations.
Constructed with a fully enclosed, thickened resin winding, this medium voltage dry type transformers delivers exceptional resistance to moisture, dust, and corrosion. Its meticulous design ensures ≤15pC partial discharge, providing rock-solid 35kV operational security without the fire or leak hazards of traditional oil systems. Coupled with high-grade silicon steel and large-section copper windings, this dry type transformer meets Tier 2 efficiency standards. Operating reliably between -25℃ and 40℃, it ensures flawless large-capacity power transmission for your most critical infrastructure.
Standard SCB13 Series Technical Reference
| Capacity (kVA) | Impedance (%) | No-Load Loss (W) | Load Loss (W) | Total Weight (kg) | Dimensions W×D×H (mm) |
| 400 | 4.0 / 6.0 | 570 | 3900 | 1450 | 1250×900×1250 |
| 500 | 4.0 / 6.0 | 680 | 4800 | 1700 | 1300×950×1300 |
| 630 | 4.5 / 6.0 | 810 | 5880 | 1950 | 1350×1000×1350 |
| 800 | 4.5 / 6.0 | 980 | 7100 | 2300 | 1400×1000×1400 |
| 1000 | 4.5 / 6.0 | 1150 | 8600 | 2700 | 1450×1050×1450 |
| 1250 | 4.5 / 6.0 | 1350 | 10400 | 3200 | 1550×1100×1550 |
| 1600 | 4.5 / 6.0 | 1650 | 12800 | 3800 | 1650×1150×1650 |
| 2000 | 4.5 / 6.0 | 2050 | 15600 | 4500 | 1750×1250×1800 |
| 2500 | 4.5 / 6.0 | 2450 | 19000 | 5300 | 1850×1300×1900 |
* The table displays standard SCB13 dry-type technology platform parameters. Dimensions, weights, and losses will scale up appropriately for 35kV high-voltage configurations.
FAQ
A 35kV dry type transformer achieves 98-99.5% efficiency. It is widely used among medium voltage dry type transformers for reliable indoor power distribution applications.
A 35kV dry type transformer offers fire-safe operation with no oil risk. It is a top choice among medium voltage dry type transformers for commercial buildings and industrial facilities.
A 35kV dry type transformer typically uses Class F or H insulation with forced air cooling. This makes it one of the most dependable medium voltage dry type transformers for continuous operation.
Yes, a 35kV dry type transformer is designed for indoor installation with zero fire hazard. It is the preferred option among medium voltage dry type transformers for substations in urban areas.
A 35kV dry type transformer usually has 5-8% impedance voltage. This ensures stable short-circuit performance, making it one of the most trusted medium voltage dry type transformers in the market.
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