Description
Technical Parameters
Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of 500 kva epoxy resin cast delta star dry type step down transformer in China, also supports customized service with low price. Welcome to buy discount 500 kva epoxy resin cast delta star dry type step down transformer for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.
epoxy resin cast dry-type transformer Description
The epoxy resin cast dry-type transformer is constructed with premium materials, featuring a core made of advanced grain-oriented cold-rolled silicon steel sheets with 45° fully staggered joints and special resin coating for moisture/rust protection, significantly reducing no-load loss, no-load current and core noise. Through scientific design and optimized casting processes, the product achieves minimal partial discharge and low noise levels, offering high reliability, extended service life and energy efficiency. Available with optional enclosures of various protection grades (or without enclosure), it is specifically designed for critical applications in commercial centers, factories, hotels, hospitals, schools, railways, airports, tunnels, subways, underground power stations, laboratories, bus/railway stations, and ports.
Cast coil dry type transformer video
500 KVA epoxy resin cast delta star dry type step down transformer parameter
| Rated Capacity (KVA) |
Voltage Combination(KV) | Connection Group Symbol | No-load Loss (W) |
Load Loss (W) |
Short-circuit Impedance% | No-load Current % |
Sound level LpA (dB) |
||
| High Voltage(KV) | HV Tapping Range (%) |
Low Voltage (KV) |
|||||||
| 30 | 6 6.3 6.6 10 10.5 11 |
±5 ±2x2.5 |
0.4 | YynO Dyn11 |
150 | 710 | 4.0 | 2.1 | 52 |
| 50 | 215 | 1000 | 2.1 | 52 | |||||
| 80 | 295 | 1380 | 1.6 | 53 | |||||
| 100 | 320 | 1570 | 1.6 | 53 | |||||
| 125 | 375 | 1850 | 1.4 | 56 | |||||
| 160 | 430 | 2130 | 1.4 | 56 | |||||
| 200 | 495 | 2530 | 1.2 | 56 | |||||
| 250 | 575 | 2760 | 1.2 | 56 | |||||
| 315 | 705 | 3470 | 1.0 | 58 | |||||
| 400 | 785 | 3990 | 1.0 | 58 | |||||
| 500 | 930 | 4880 | 1.0 | 60 | |||||
| 630 | 1070 | 5880 | 1.0 | 60 | |||||
| 630 | 1040 | 5960 | 6.0 | 0.8 | 60 | ||||
| 800 | 1215 | 6960 | 0.8 | 62 | |||||
| 1000 | 1415 | 8130 | 0.8 | 62 | |||||
| 1250 | 1670 | 9690 | 0.8 | 63 | |||||
| 1600 | 1960 | 11730 | 0.8 | 64 | |||||
| 2000 | 2440 | 14450 | 0.7 | 64 | |||||
| 2500 | 2880 | 17170 | 0.7 | 68 | |||||
Dry type power transformer Product Features:
Safety & Environmental Performance
• Flame-retardant, low-noise, pollution-free design
• Suitable for load center installation (energy-efficient & eco-friendly)
• Certified for:
✓ Climate class C2 (IEC 60721-3-3)
✓ Environment class E2 (IEC 62262)
✓ Fire safety class F1 (GB 20052)
01
Advanced Winding Technology
• Full foil-wound HV/LV windings:
✓ High lightning impulse withstand
✓ Short-circuit current 25×In for 3s
• Vacuum-cast epoxy resin coils with patented air ducts:
✓ Partial discharge <5pC
✓ 100% humidity operation without pre-drying
✓ -25°C cold start capability
02
Cooling & Efficiency
• The dry cast resin transformer's forced air cooling increases capacity by 25-40%
• 20% lower operating loss than conventional designs
• Integrated heat dissipation channels of the epoxy resin cast delta star dry type step down transformer reduce hotspot ΔT by 15K
03
Smart Monitoring System
• The dry type distribution transformer equipped with EMI-resistant temperature control system
• Optional RS485/Modbus interface for:
✓ Remote monitoring
✓ Predictive maintenance alerts
04
Installation Flexibility
• Modular enclosures with:
✓ Unlimited doorway dimension adaptation
✓ Direct busbar connection to switchgear
• Outdoor versions available with:
✓ UV-resistant coating
✓ Corrosion protection
05
about us
18+ years of distribution and power transformer manufacturing experience
exports steel to over 70 countries and collaborates with more than 600 companies worldwide
Henan Gnee New Material Co.，ltd
Professional, efficient and good service
Do things sincerely, connect the world
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