| Customization: | Available |
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| Application: | Power, Electronic, Instrument, Lighting, Rectifier, Audio |
| Phase: | Three |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Product Parameters:
| Parameter Category | Parameter Name | Typical Value/Description |
|---|---|---|
| Rated Voltage | High Voltage (HV) Side | 10 kV ± 2×2.5% or ±5% (tapping range) |
| Low Voltage (LV) Side | 0.4 kV / 0.69 kV / 6.3 kV (depending on application) | |
| Rated Capacity | Transformer Capacity | 50 kVA ~ 2500 kVA (common range, up to 5000 kVA or higher) |
| Vector Group | Winding Connection | Dyn11 / Yyn0 (common, based on system requirements) |
| Impedance Voltage | Short-Circuit Impedance (Uk%) | 4% ~ 6% (standard, adjustable for special requirements) |
| No-Load Loss (P0) | Core Loss | 0.2 kW ~ 10 kW (correlates with capacity, e.g., ~0.8 kW for 500 kVA, ~5 kW for 2000 kVA) |
| Load Loss (Pk) | Copper Loss (at rated current) | 1.5 kW ~ 30 kW (correlates with capacity, e.g., ~6 kW for 500 kVA, ~25 kW for 2000 kVA) |
| Cooling Method | Cooling Type | AN (Air Natural) / AF (Air Forced) |
| Insulation Class | Winding Insulation | Class F (155°C thermal resistance) / Class H (180°C thermal resistance) (Class F is common) |
| Temperature Rise Limit | Winding Average Temperature Rise | ≤100 K (for Class F insulation at 40°C ambient) |
| Protection Class | Enclosure Protection | IP00 (open-type) / IP20 / IP23 (dust and water-resistant, suitable for indoor use) |
| Noise Level | Sound Pressure Level (at 1 m) | ≤45 dB(A) ~ 65 dB(A) (higher noise for larger capacities, e.g., ~50 dB for 500 kVA, ~65 dB for 2000 kVA) |
| Weight | Core and Winding Weight | 0.5 t ~ 8 t (scales with capacity) |
| Dimensions | Length × Width × Height | 1000~2500 mm × 800~1800 mm × 1200~2200 mm (larger for higher capacities) |
| Winding Material | Conductor Material | Copper windings (low-loss) / Aluminum windings (economical) |
| Core Material | Magnetic Core Material | High-quality cold-rolled silicon steel laminations (low core loss) |
| Overload Capacity | Short-Term Overload | 120% load for 2 hours (subject to design specifications) |
| Partial Discharge Level | HV Winding | ≤10 pC (per GB/T 7354 standard) |
| Standards Compliance | Design Standards | GB 1094.11 / GB/T 22072 / IEC 60076-11 |
| Environmental Conditions | Ambient Temperature | -25°C ~ +40°C (operating range) |
| Altitude | ≤1000 m (derating or special design required for higher altitudes) | |
| Environmental Features | Oil-Free Design | Fire-resistant, suitable for high-rise buildings, subways, etc. |
| Applications | Typical Use Cases | Building power distribution, industrial plants, data centers, renewable energy (PV/wind) systems |
| Additional Parameters | On-Load Tap Changer (OLTC) | Optional (e.g., ±5% or ±10% tapping range) |
| Monitoring Interface | Optional temperature controller (PT100 sensors) or smart monitoring module (RS485/Modbus) |
Our Advantages:
1. We have more than 10 years of manufacturing experience in the electric industry.
2. We have passed the "ISO9001 Quality System International Certification" and obtained a number of national authorized technology patents.
3. We have advanced transformer production and testing equipments, and innovative technology.
4. We have a group of professional R & D and design personnel, installation and after-sales team.
5. We can provide professional OEM & ODM service.
FAQ:
Q1: Are you a manufacture or trading company?
A1: Yes, we are manufacture dedicated to design customized for different country standard and production of a wide range of high quality transformers,switchgears ,power substations.Meanwhile we can also provide relevant accessories and components with quality guaranteed from our branch factories. We improve the design to make our products more competitive for the market but with better quality to ensure the long time performance.
Q2: How does your factory do regarding quality control and after-sales support?
A2: All the products will be 100% checked and tested before delivery. We also have inspection team to make videos with customers online or by email .All our products comply to strict tests, easy maintenance guaranteed. We also offer on-line after-sale service in case of any further problems.
Q3: When can I get the price?
A3: Usually we quote within 1 hour after we get your inquiry.For customized products that need special design, we will quote within 12 hours with details specification for confirming.
Q4: Can you manage the delivery directly to our country with DIP term?
A4:Yes,we have our own Logistics company that help to find a better solution for delivery and that make the delivery time more punctual and in lower cost.
Q5: Can I get guarantee of products after delivery?
A5: Yes, every product is 2-3 year quality warranted under customer correct using the products.
Q6. Do you have any Certificate?
A6: Yes. Each of our product has CE, 3C and CQC certificate. If you need any other Certificate, we can help you to apply it.
Q7: How can I pay you?
A7: The payment by T/T and L/C is acceptable.
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