1600KVA Oil Immersed Distribution Transformer 200KV 38.5KV Distribution Transformer Oil
Leilang Electric, an ISO 9001 and ISO 14001 certified manufacturer specializing in mission-critical power distribution solutions for aviation infrastructure, presents our S11-1600KVA 3-phase airport-grade oil-immersed transformer. Engineered to meet the stringent reliability requirements of airport operations, this transformer features a 38.5KV system voltage, integrated on-load tap changer, and 200KV basic impulse level (BIL) for enhanced electrical protection.
- Airport-Specific Design: Built to deliver uninterrupted power for airport terminals, runways, and navigation systems, with enhanced reliability features to support 24/7 critical operations.
- On-Load Tap Changer (OLTC): Enables voltage regulation without power interruption, ensuring stable voltage output even under fluctuating load conditions—essential for sensitive aviation equipment.
- 200KV High BIL Rating: Provides superior protection against lightning strikes and transient overvoltages, safeguarding airport power systems from costly downtime.
- S11 Ultra-Low Loss Technology: Delivers 30% lower no-load loss and 70-85% lower no-load current compared to traditional S9 series transformers, significantly reducing long-term energy costs.
This transformer features a fully sealed tank structure with improved sealing technology, preventing transformer oil from contacting air and extending service life. It uses high-quality grain-oriented silicon steel cores for maximum efficiency and is available in both oil-immersed and dry-type configurations to meet different airport installation requirements.
| Parameter | Specification |
|---|---|
| Model Number | S11-1600KVA |
| Rated Capacity | 1600 kVA |
| Phase | 3 Phase |
| System Voltage | 38.5 KV |
| Basic Impulse Level (BIL) | 200 KV |
| Tap Changer Type | On-Load Tap Changer |
| Frequency | 50Hz / 60Hz |
| Core Material | Grain-Oriented Silicon Steel |
| Tank Structure | Fully Sealed (Bolted/Welded) |
| Cooling Method | ONAN (Natural Air/Oil Cooling) |
| Insulation Class | Class A |
| Temperature Rise | 65°C |
| Ambient Temperature | -25°C to +40°C |
| Standards Compliance | IEC 60076, CE, ISO 9001, ISO 14001 |
| Dimensions (L×W×H) | 2200mm × 1400mm × 2100mm |
| Total Weight | ~5800 kg |
| Model | Rated Capacity (kVA) |
Connection Symbol | Hight Voltage (v) |
Tap range | Low Voltage (v) |
No-load Loss | On-load Loss | No-load current | Short-circuit impedance |
| (W) | (W) | (%) | (%) | ||||||
| S11-50/35 | 50 | Yyn0 or Dyn11 |
35 | ±5% +2×2.5% |
0.4 | 160 | 1200 | 1.3 | 6.5 |
| S11-100/35 | 100 | 230 | 2010 | 1.1 | |||||
| S11-125/35 | 125 | 270 | 2370 | 1.1 | |||||
| S11-200/35 | 200 | 340 | 3320 | 1 | |||||
| S11-250/35 | 250 | 400 | 3960 | 0.95 | |||||
| S11-500/35 | 500 | 680 | 6910 | 0.85 | |||||
| S11-630/35 | 630 | 830 | 7860 | 0.65 | |||||
| S11-1000/35 | 1000 | 1150 | 11500 | 0.65 | |||||
| S11-1250/35 | 1250 | 1400 | 13900 | 0.6 | |||||
| S11-2000/35 | 2000 | 1990 | 19700 | 0.55 | |||||
| S11-2500/35 | 2500 | 2360 | 23200 | 0.55 |
- Uninterrupted Power for Critical Operations: The on-load tap changer allows voltage adjustments while the transformer remains energized, eliminating downtime during load fluctuations—critical for airport navigation systems and emergency lighting.
- Superior Electrical Protection: The 200KV BIL rating provides industry-leading protection against lightning strikes and transient surges, reducing the risk of equipment damage and power outages.
- Exceptional Energy Efficiency: S11 series technology reduces core losses by 30% and excitation current by up to 85% compared to older models, delivering substantial energy savings over the transformer's 30+ year service life.
- Extended Service Life: The fully sealed tank design prevents moisture and oxygen ingress, eliminating oil degradation and reducing maintenance requirements. Improved sealing technology ensures long-term reliability in harsh environmental conditions.
- Environmentally Friendly Design: Manufactured in compliance with ISO 14001 environmental standards, with low noise operation (<65 dBA) and minimal environmental impact.
- Flexible Configuration: Available in both oil-immersed and dry-type versions, with customizable voltage ratings, tap ranges, and enclosure options to meet specific airport project requirements.
All Leilang Electric airport transformers undergo a rigorous 15-step quality control process certified to ISO 9001 standards:
- Raw material inspection and material certification verification
- Core loss and excitation current measurement
- Winding resistance and insulation resistance testing
- Short-circuit impedance and voltage ratio testing
- High-voltage withstand and BIL testing
- On-load tap changer operation testing
- Final comprehensive performance verification and oil quality analysis
We support sample orders for quality verification and offer full OEM/ODM customization services, including custom voltage ratings, tap ranges, enclosure colors, and branding. With a monthly production capacity of 1,000 units and a standard lead time of 15-25 days, we can meet both small-scale and large airport project requirements. All products come with a 24-month warranty from the bill of lading date and lifetime technical support from our team of certified electrical engineers with specialized aviation industry experience.
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