The 35kV resin-cast dry-type transformer series represents a critical component in modern power distribution systems. Utilizing advanced epoxy resin insulation technology, this transformer series employs precision vacuum casting processes to integrally bond windings and core components, creating an exceptionally robust and high-performance power transformation solution.
The Basic Parameters Of The Product
|
Capacity |
50KVA-25000KVA |
|
Primary Voltage |
35kV~38.5kV |
|
Secondary Voltage |
0.4 ,3.15,6,6.3,10,10.5,11KV |
|
Cooling Type |
AN/AF |
|
Vector Group |
Dyn11/Yd11/Ynd11/Yyn0 |
|
Standard |
IEC60076 |
Product Features
1.Unparalleled Fire Safety
• World-leading fire-resistant performance with self-extinguishing properties
• Flame-retardant epoxy formulation (UL94 V-0 rated)
2.Proven Reliability
• Field-validated design with >99.9% operational availability
• Global deployment across extreme climates
3.Advanced Winding Technology
• High-voltage windings: Copper strip with vacuum-cast resin insulation
• Low-voltage windings: Copper foil with thermosetting epoxy prepreg
4.Core Innovation
• 45° fully stepped-lap core construction
• Mineral-insulated grain-oriented silicon steel
• Noise levels ≤55dB at rated load
5.Structural Excellence
• Modular HV coil support system enhances creepage distance
• Argon-welded LV foil windings with epoxy encapsulation
• IP20/IP23 enclosures (12mm impact resistance)
6.Intelligent Thermal Management
• Embedded PT100 sensors for real-time monitoring
• Triple-redundant protection:
• Automated fan control
• Visual/audible alarms
• SCADA integration
Competitive Advantages
1.Superior Reliability
• IEC 60076-11 certified manufacturing processes
• MTBF >200,000 hours
2.Extended Service Life
• 30+ year operational lifespan
• <0.5% annual degradation rate
3.Eco-Friendly Design
• 100% oil-free construction
• RoHS/REACH compliant materials
4.Energy Efficiency
• No-load losses ≤0.25% of rating
• 99.3% typical efficiency at full load
5.Safety Benefits
• Fire hazard classification: F1 (non-propagating)
• Suitable for load-center installation
6.Space Optimization
• Compact footprint (40% smaller than oil-filled equivalents)
• Wall/ceiling mounting options
7.Thermal Performance
• 150% overload capacity with forced air cooling
• 65°C max winding temperature rise
8.Environmental Resilience
• Operational range: -40°C to +50°C
• 100% humidity tolerance
9.Electrical Isolation
• 10kV basic insulation level
• <1pA leakage current
10.EMI Suppression
• Common mode rejection >60dB
• RFI shielding optional
11.Flexible Configuration
• ±5% voltage adjustment range
• Multiple tap options
12.Global Deployment
• 5000m altitude rating
• Corrosion-resistant coatings available
Technical Parameters of 35kV Dry-Type Transformers
|
Rated Capacity (KVA) |
Voltage Combination(kV) |
Conn- ecting way |
Dissipation (W) |
No-Load Current (%) |
Impedance Voltage (%) |
|||||||||||||||
|
High-Voltage (kV) |
Low-Voltage (kV) |
No-load |
Load (120°C) |
|||||||||||||||||
|
50 |
35 36.5 38 ±5% |
0.4 |
Dyn11 Yyn0 |
450 |
1420 |
2.30 |
6.0 |
|||||||||||||
|
100 |
630 |
2090 |
2.00 |
|||||||||||||||||
|
160 |
790 |
2810 |
1.50 |
|||||||||||||||||
|
200 |
880 |
3320 |
1.50 |
|||||||||||||||||
|
250 |
990 |
3800 |
1.30 |
|||||||||||||||||
|
315 |
1170 |
4510 |
1.30 |
|||||||||||||||||
|
400 |
1370 |
5410 |
1.10 |
|||||||||||||||||
|
500 |
1620 |
6650 |
1.10 |
|||||||||||||||||
|
630 |
1860 |
7690 |
1.00 |
|||||||||||||||||
|
800 |
2160 |
9120 |
1.00 |
|||||||||||||||||
|
1000 |
2430 |
10400 |
0.75 |
|||||||||||||||||
|
1250 |
2830 |
12700 |
0.75 |
|||||||||||||||||
|
1600 |
3240 |
15400 |
0.75 |
|||||||||||||||||
|
2000 |
3820 |
18200 |
0.75 |
|||||||||||||||||
|
2500 |
4450 |
21800 |
0.75 |
|||||||||||||||||
|
800 |
3.15 6 6.3 10 10.5 11 |
Dyn11 Yd11 Yyn0 |
2250 |
9400 |
0.95 |
6.0 |
||||||||||||||
|
1000 |
2670 |
10900 |
0.95 |
|||||||||||||||||
|
1250 |
3130 |
12900 |
0.85 |
|||||||||||||||||
|
1600 |
3690 |
15400 |
0.85 |
|||||||||||||||||
|
2000 |
4230 |
18200 |
0.75 |
7.0 |
||||||||||||||||
|
2500 |
4860 |
21800 |
0.75 |
|||||||||||||||||
|
3150 |
6030 |
24500 |
0.70 |
8.0 |
||||||||||||||||
|
4000 |
7020 |
29400 |
0.70 |
|||||||||||||||||
|
5000 |
8370 |
34900 |
0.60 |
|||||||||||||||||
|
6300 |
9900 |
40800 |
0.60 |
|||||||||||||||||
|
8000 |
11300 |
46000 |
0.50 |
9.0 |
||||||||||||||||
|
10000 |
12900 |
55500 |
0.50 |
|||||||||||||||||
|
12500 |
6 6.3 10 10.5 11 |
Dyn11 Yd11 Ynd11 |
15700 |
64600 |
0.40 |
|||||||||||||||
|
16000 |
19300 |
76000 |
0.40 |
|||||||||||||||||
|
20000 |
22900 |
85500 |
0.35 |
10.0 |
||||||||||||||||
|
25000 |
27100 |
101000 |
0.35 |
|||||||||||||||||
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