Compact Pad-Mounted Substation Transformers | Oil/Dry-Type 6kV-35kV to 0.4kV | Up to 5000kVA
6kV-35kV/0.4kV 630kVA-5000kVA Package Compact Css Pad Mounted Substation Prefabricated Compact Substation Transformer
Full-range compact substations (630-5000kVA) with oil/dry-type transformers. Custom 15kV/20kV/35kV input to 400V output, DYN11/YYN0 configurations. Integrated HV/LV switchgear & global compliance.
Core Product Features:
🔥 Modular Substation Technology
• Integrated design: HV switchgear + transformer + LV switchgear in single enclosure
• Space-saving footprint: 40% smaller than conventional setups
⚡ Dual Transformer Options
Oil-Immersed
- 35kV class insulation
- Natural cooling (ONAN) up to 2500kVA
Dry-Type
- IP54 protection for coastal/industrial areas
- Forced air cooling (AF) capability
Technical Specifications
| Parameter | Compact Substation Features |
|---|---|
| Electrical | |
| Voltage Range | Input: 6kV-35kV • Output: 400V (±2.5%) |
| Frequency | Dual 50/60Hz design |
| Structural | |
| Enclosure Class | IP66 steel/composite options |
| Coil Configuration | Toroidal autotransformer (space-optimized) |
| Performance | |
| Short-Circuit Withstand | 25kA/3s (IEC 62271-200 compliant) |
| BIL Rating | 170kV impulse withstand (35kV models) |
Configuration Options
▸ Winding Materials
• Copper: ≤0.3% load loss at 75°C (IEC 60076-1)
• Aluminum: Cost-efficient for 2000kVA+ installations
▸ Connection Groups
• DYN11 • YYN0 • YD11 • YND11 (IEC 60076-1 standard)
▸ Switchgear Integration
• HV Side: SF6 or vacuum circuit breakers
• LV Side: MCCB/ACB with PLC monitoring
Industry-Specific Solutions
① Urban Power Networks
• 20kV/400V substations for high-rise complexes
• Underground installation packages
② Renewable Energy
• 35kV/400V collector stations for solar farms
• Wind park-compatible vibration damping
③ Industrial Zones
• Explosion-proof designs for chemical plants
• 5000kVA configurations for steel mills
Professional Services
Design Phase
• 3D substation layout simulations
• Harmonic analysis (THD <8% guaranteed)
Implementation
• Turnkey installation: Civil works to commissioning
• Smart grid integration (IEC 61850 protocol)
Post-Deployment
• Remote condition monitoring (IoT-enabled)
• 24/7 technical support with 72h response SLA
