Copper Aluminum Winding Dry Type Transformer 315kva 400kva 630kva Step Down Transformer
| Attribute | Value |
|---|---|
| Frequency | 50Hz, 60Hz |
| Phase | Three |
| Coil Number | Three Windings, Multi Winding, Two Windings, Single Winding |
| Application | Distribution system, High-load electricity |
| Coil Structure | Layer coil, Disc Coil, Round coil |
| Output Voltage | 415V, 110V, 220V, 380V, 400V |
| Input Voltage | 11kV, 10.5kV, 12.47kV, 10kV, 35kV |
| Type | Dry Type Transformer |
| Vector Group | Dyn11 / Yyn0 |
| Capacity/KVA | 315KVA, 400KVA, 630KVA |
| Cooling Method | With cooling fans |
| Insulation Class | Class F/H |
| Materials | Aluminum/Copper |
| Enclosure | IP20/IP23 |
- Safe, fireproof, pollution-free, maintenance free
- Low loss, low noise, significant energy-saving effect
- High mechanical strength, strong short-circuit resistance, good thermal stability
- Good heat dissipation performance, strong overload capacity
- Moisture resistant for operation in high humidity environments
- Long service life with reliable performance
| Rated Capacity (KVA) | Vector Group | Voltage Combination | No-load Loss | Load Loss | No-load Current | Impedance |
|---|---|---|---|---|---|---|
| 30 | Yyn0 / Dyn11 | 10/6.3/6 ±5% ±2X2.5% (+3/-1)X2.5% | 135 | 640 | 2 | 4.0 |
| 50 | 195 | 900 | 2 | |||
| 80 | 265 | 1240 | 1.5 | |||
| 100 | 290 | 1410 | 1.5 | |||
| 125 | 340 | 1660 | 1.3 | |||
| 160 | 385 | 1910 | 1.3 | |||
| 200 | 445 | 2270 | 1.1 | |||
| 250 | 515 | 2480 | 1.1 | |||
| 315 | 635 | 3120 | 1 | |||
| 400 | 705 | 3590 | 1 | |||
| 500 | 835 | 4390 | 1 | |||
| 630 | 965 | 5290 | 0.85 | 6.0 |
We respond within 1 hour with suitable transformer recommendations, competitive quotations, and payment terms. Our technical team will confirm all drawing details within 7 days after payment, including technical data, weight, and parts list.
After finalizing drawings, we prepare materials and begin production. All units undergo rigorous quality inspection with QC and test reports provided. We accept Factory Acceptance Tests (FAT) and can accommodate special accessory requirements.
Our professional team provides installation guidance and on-site support when needed. All products come with a minimum 2-year warranty and ongoing technical support.
- 30+ senior engineers providing 24/7 technical support with 30-minute response time
- 100,000 m² factory with 250 skilled workers and 30+ engineers
- 4 dedicated production lines with 10,000+ units annual capacity
- 100% outgoing quality control with 25-point inspection protocol
- 15 years of power transformer design and manufacturing experience
- Compliance with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standards
- Custom solutions for diverse industry applications
- Global technical support network
- Safety Performance: Oil-free design prevents fire and explosion risks, ideal for high-safety environments.
- Environmental Benefits: Pollution-free operation with low noise levels, meeting green energy standards.
- Structural Integrity: Advanced casting technology and premium insulation materials ensure high mechanical strength and short-circuit resistance.
- Thermal Management: Excellent thermal stability for long-term high-load operation with minimal partial discharge.
- Energy Efficiency: No-load and load losses below national standards for significant energy savings.
- Cooling System: Natural and forced air cooling options provide strong overload capacity for temporary peak demands.
HENTG POWER is a professional designer, manufacturer and installer of power system solutions founded in 2011. Our 100,000 square meter facility specializes in reliable, high-performance solutions for global power systems.
We conduct pre-production samples and final inspections before shipment, providing QC & test reports. We accept Factory Acceptance Tests (FAT) and manufacture transformers up to 500KV 480MVA capacity, complying with international standards. All products come with a 2+ year warranty.
Our dedicated drawing and technical teams can confirm all specifications within 7 days. With 30+ senior engineers available 24/7, we guarantee 30-minute response times for all technical inquiries.
We offer OEM services with flexible payment terms and customized solutions to meet specific project requirements.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.