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High Efficiency SCBH15 Nanocrystalline Alloy Dry-Type Transformer 10kV from China Suppliers and Factory
Product Features
This series of transformers features an optimized structural design, combining advanced materials and manufacturing processes to deliver outstanding electrical performance, mechanical stability, and adaptability. It is widely suitable for industrial production, commercial buildings, municipal engineering, and similar applications. Below is an overview of its core structural components and optional configurations.
1 Iron Core
The core is wound from high-quality nanocrystalline alloy strips, known for ultra-high magnetic permeability, low coercivity, and minimal core loss. This reduces no-load loss by over 30% compared to traditional silicon steel. Available in three-phase five-column or three-phase three-column wound designs, the rectangular cross-section is optimized through electromagnetic simulation to ensure uniform magnetic flux distribution, reduce leakage, and lower losses. The wound structure enhances mechanical strength, suppressing vibration and noise.
2 High-Voltage Coil
The high-voltage coil adopts a segmented cylindrical structure for even voltage distribution and improved withstand capacity. It is manufactured using vacuum casting with thin insulation and hermetic sealing, which enhances heat dissipation and protects against moisture and dust. For high-capacity windings, axial air ducts are integrated to promote airflow and prevent local overheating. This results in high voltage withstand performance, extremely low partial discharge (≤5pC), excellent dust resistance, and efficient cooling.
3 Low-Voltage Coil
The low-voltage coil uses a foil structure with DMD prepreg hot-pressed between layers, effectively resolving ampere-turn imbalance common in traditional wire-wound designs. The foil ensures uniform current distribution, reduces localized losses, and eliminates axial winding angles, significantly lowering axial electromagnetic forces during short circuits. The hot-pressed process enhances interlayer bonding, forming a solid, mechanically stable coil with low additional loss.
4 Outer Casing & Configuration
The enclosure can be customized in materials such as ordinary steel (cost-effective for indoor use), aluminum alloy (lightweight, corrosion-resistant for outdoor/humid environments), or stainless steel (durable for harsh conditions like coastal or chemical plants). Protection levels include IP20 (indoor, blocks solids >12.5mm) and IP23 (outdoor/semi-outdoor, protects against angled water ingress). High- and low-voltage busbar interfaces can be flexibly configured to match user layout needs, simplifying installation and improving system compatibility.
Product Specifications
| Rated Capacity (KVA) | Connection Group Label | Voltage Combination (KV) | No-Load Current (%) | Load Loss (W) | No-Load Loss (W) | Short-Circuit Impedance (%) | ||
|---|---|---|---|---|---|---|---|---|
| High Voltage (H.V.) | L.V. Tap Range | Low Voltage (L.V.) | ||||||
| 30 | Dyn11 | 6 / 6.3 / 10 / 10.5 / 11 | ±5% / ±2×2.5% | 0.4 | 1.6 | 710 | 70 | 4.0 |
| 50 | 1.4 | 1000 | 90 | |||||
| 80 | 1.3 | 1380 | 120 | |||||
| 100 | 1.2 | 1570 | 130 | |||||
| 125 | 1.1 | 1850 | 150 | |||||
| 160 | 1.1 | 2130 | 170 | |||||
| 200 | 1.0 | 2530 | 200 | |||||
| 250 | 1.0 | 2760 | 230 | |||||
| 315 | 0.9 | 3470 | 280 | |||||
| 400 | 0.8 | 3990 | 310 | |||||
| 500 | 0.8 | 4880 | 360 | |||||
| 630 | 0.7 | 5880 | 420 | |||||
| 630 | 0.7 | 5960 | 410 | 6.0 | ||||
| 800 | 0.7 | 6960 | 480 | |||||
| 1000 | 0.6 | 8130 | 550 | |||||
| 1250 | 0.6 | 9690 | 650 | |||||
| 1600 | 0.6 | 11700 | 760 | |||||
| 2000 | 0.5 | 14440 | 1000 | |||||
| 2500 | 0.5 | 17170 | 1200 | |||||
| 1600 | 0.6 | 12900 | 760 | 8.0 | ||||
| 2000 | 0.5 | 15900 | 1000 | |||||
| 2500 | 0.5 | 18890 | 1200 | |||||
Detail Pictures
Frequently Asked Questions
Q
What material is used for the iron core, and what are its advantages?
The iron core is wound from high-quality nanocrystalline alloy strips. This material offers ultra-high magnetic permeability, low coercivity, and minimal core loss, reducing no-load loss by over 30% compared to traditional silicon steel cores — resulting in significantly improved energy efficiency.
Q
What is the partial discharge level of the high-voltage coil?
The high-voltage coil achieves extremely low partial discharge of ≤5pC. This is achieved through vacuum casting with thin insulation and hermetic sealing, ensuring reliable insulation performance and long service life even in demanding environments.
Q
What protection levels are available for the transformer enclosure?
The enclosure supports IP20 protection (suitable for indoor use, blocking solid objects larger than 12.5mm) and IP23 protection (suitable for outdoor or semi-outdoor use, guarding against angled water ingress). The appropriate level can be selected based on the installation environment.
Q
What rated capacity range does this transformer series cover?
This transformer series covers a wide rated capacity range from 30 KVA up to 2500 KVA, with short-circuit impedance options of 4.0%, 6.0%, and 8.0%, making it suitable for a broad range of industrial, commercial, and municipal power distribution applications.
Q
What casing material options are available, and how do I choose?
Three casing material options are available: ordinary steel (cost-effective, ideal for standard indoor environments), aluminum alloy (lightweight and corrosion-resistant, recommended for outdoor or humid conditions), and stainless steel (highly durable, best suited for harsh environments such as coastal areas or chemical plants).
Q
How does the low-voltage foil coil design improve performance over traditional wire-wound designs?
The low-voltage foil coil with DMD prepreg hot-pressing effectively resolves ampere-turn imbalance, ensures uniform current distribution, reduces localized losses, and eliminates axial winding angles. This significantly lowers axial electromagnetic forces during short-circuit events and improves overall mechanical stability and reliability.