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The 800kVA cast-resin dry-type transformer is a core equipment for medium-capacity distribution systems. Utilizing enhanced resin-cast insulation and an efficient dual-mode natural/forced air cooling system, it flawlessly merges zero-fire-risk environmental safety with robust continuous load-bearing stability. This 800 kva dry type transformer is the premier choice for large commercial complexes, industrial park standard factories, high-rise buildings, municipal stadiums, and hospital main power stations. Operating consistently in environments from -25℃ to 40℃, it ensures uncompromised medium-scale electrical transmission.
Core Parameters:
• Energy Efficiency: Tier 2 Efficiency (Complies with GB 20052-2024).
• Structure: Enhanced Resin Cast + AN/AF Dual Cooling.
• Warranty: 3-Year Standard Warranty (covers core and critical auxiliary components).
Product Features
The 800 kva dry type transformer features fully oil-free enhanced resin insulation. Inherently flame retardant and self-extinguishing, it ensures absolute safety for highly populated commercial and medical facilities.
Tier 2 efficiency paired with pure copper windings drastically reduces resistance losses. The solid resin structure naturally resists moisture, yielding a design lifespan of 25+ years.
Equipped with comprehensive smart protection including temp controllers and surge protection. The fully enclosed structure guarantees stability in complex indoor or semi-outdoor setups.
Weighing approximately 2200kg with a compact design, the 800 kva dry type transformer is easily moved by standard forklifts. Perfect for indoor floors or pre-installed substations. Features a 1.2x short-term overload capacity.
No oil testing or replacement required. A quick quarterly visual check and dust wipe of the cooling channels are all that's needed, keeping O&M costs exceptionally low.
Can be fitted with a full set of smart monitoring modules to remotely track winding temperatures, load currents, and cooling fan status, enabling centralized predictive maintenance.
Key Specifications (800kVA dry type transformer SCB13 Series)
| Parameter | Typical Value | Description |
| Rated Capacity | 800kVA | Reliable apparent power perfectly tailored for large commercial complexes and mid-sized industrial grids. |
| Rated Voltage | HV: 10kV | LV: 0.4kV | Standard grid voltages, highly adaptable for varied regional distribution systems. |
| Vector Group | Dyn11 / Yyn0 | Mainstream connections ensuring seamless integration and balanced load supply. |
| Impedance | 4.5% ~ 6.0% | Effectively limits short-circuit currents, protecting downstream distribution equipment. |
| No-Load Loss | ≤ 0.98kW (SCB13) | Tier 2 compliant; ultra-low idle consumption significantly reduces electricity overhead. |
| Load Loss (120℃) | ≤ 7.10kW | Copper windings ensure minimal resistance, maximizing energy conversion under load. |
| Winding Temp. Rise | ≤ 100K (Class F) | Resin insulation and robust air convection prevent heat-induced insulation degradation. |
| Noise Level | ≤ 50~55dB(A) | Shock-absorbing design creates an ultra-quiet footprint, avoiding noise pollution. |
| Cooling Method | AN / AF (Dual Mode) | Natural air handles standard loads; Forced air safely boosts capacity by 30% (approx. 1040kVA). |
Detailed Description
The 800kVA cast-resin dry-type transformer (mainstream SCB13 series) is a three-phase, Tier 2 efficiency unit recognized as a premier choice for medium-capacity continuous distribution. Its defining advantage is absolute environmental safety combined with a strong load-bearing structure. Utilizing a solid epoxy resin cast, it blocks out moisture and dust while delivering unmatched flame-retardant properties—eliminating the severe fire and leakage risks associated with oil-immersed alternatives.
Engineered with low-resistance copper windings and an advanced dual-mode air convection cooling system, this dry type transformer achieves highly stable, low-loss operation. Operating smoothly across -25℃ to 40℃, it exhibits exceptional overload capabilities, supported by an optional forced-air (AF) cooling system that can surge capacity by 30% to roughly 1040kVA. Because of its compact design and ultra-quiet performance, this dry type transformer is widely deployed in highly sensitive zones such as commercial high-rises, indoor substations, and public utility complexes.
SCB10 Type Parameters & Scenarios
| Parameter | Typical Value | Description |
| Energy Efficiency | GB 20052-2024 Tier 2 (NX2) | Adapts to basic energy-saving compliance requirements. |
| No-Load Loss | Approx. 1.10kW | Slightly higher than SCB13, fulfilling fundamental medium-voltage needs. |
| Load Loss (120℃) | Approx. 8.20kW | Highly stable under regular centralized load conditions. |
| Partial Discharge | ≤ 10pC | Reliable insulation performance, ensuring foundational operational safety. |
| Core Material | Standard High-Grade Silicon Steel | Balances magnetic permeability and cost for conventional operations. |
| Applicable Scenarios | Budget-limited, load ≤ 60% | Ideal for standard commercial blocks, standard factory power, and older regional grid upgrades. |
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 | 570 | 3900 | 1450 | 1250×900×1250 |
| 500 | 4.0 | 680 | 4800 | 1700 | 1300×950×1300 |
| 630 | 4.5 | 810 | 5880 | 1950 | 1350×1000×1350 |
| 800 | 4.5 | 980 | 7100 | 2300 | 1400×1000×1400 |
| 1000 | 4.5 | 1150 | 8600 | 2700 | 1450×1050×1450 |
| 1250 | 4.5 | 1350 | 10400 | 3200 | 1550×1100×1550 |
* The table displays standard SCB13 dry-type technology platform parameters. Dimensions and weights are for reference and may vary based on specific enclosure customizations.
FAQ
Installing an 800kVA dry-type transformer requires focusing on layout adaptation, precise ventilation space, and system matching. Core precautions include:
1) Installation Layout Adaptation: Maintain a safe distance of ≥1.2m from surrounding electrical equipment and cables. Reserve a maintenance channel of ≥1.0m to ensure adequate operational and safety space.
2) Cooling Space Reservation: You must ensure a clearance of ≥1.0m above the unit and ≥0.8m around the sides. Do not install in completely sealed spaces. Unobstructed natural airflow is essential; if AF (forced air) mode is utilized, the room must have robust intake and exhaust vents.
3) Power Match & Grounding: Ensure the input/output voltages strictly match the 10kV grid. The enclosure and core must be reliably grounded with a resistance of ≤4Ω to provide uncompromised leakage protection.
4) Handling & Flexible Mounting: Weighing approximately 2200kg, it should be moved using a standard forklift or small crane. Avoid bumping the resin windings during transit. The installation ground must be flat and solid, utilizing standard brackets. Tilting can severely impair insulation and cooling performance.
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