Technical Parameters
| Parameter | Specification | ||||
| Rated Power | 100kVA ~ 2500kVA | ||||
| Rated Voltage | High Voltage Side: 6kV / 10kV / 20kV / 35kV | ||||
| Low Voltage Side: 0.4kV / 0.69kV | |||||
| Frequency | 50Hz / 60Hz | ||||
| Phase | Three-Phase | ||||
| Transformer Type | Oil-Immersed / Dry Type | ||||
| High-Voltage Switchgear | LBS + Fuse / Vacuum Circuit Breaker | ||||
| Low-Voltage Switchgear | Circuit Breaker / Disconnect Switch / Metering Cabinet | ||||
| Cooling Method | ONAN / ONAF | ||||
| Insulation Medium | Mineral Oil / Natural Ester Oil / Epoxy Resin | ||||
| Enclosure Material | Stainless Steel / Galvanized Steel / Aluminum-Magnesium Alloy | ||||
| Protection Class | IP54 / IP65 | ||||
| No. | Capacity (kVA) | HV Side (kV) | LV Side (kV) | Transformer Type | Dimensions L×W×H (mm) | Weight (kg) |
| 1 | 100 | 10 | 0.4 | Oil | 1800×1200×1600 | 1200 |
| 2 | 200 | 10 | 0.4 | Oil | 2000×1300×1700 | 1600 |
| 3 | 315 | 10 | 0.4 | Oil | 2200×1400×1800 | 2100 |
| 4 | 400 | 10 | 0.4 | Oil | 2300×1500×1900 | 2500 |
| 5 | 500 | 10 | 0.4 | Oil | 2400×1600×2000 | 2900 |
| 6 | 630 | 10 | 0.4 | Oil | 2600×1700×2100 | 3400 |
| 7 | 800 | 10 | 0.4 | Oil | 2800×1800×2200 | 4000 |
| 8 | 1000 | 10 | 0.4 | Oil | 3000×1900×2300 | 4700 |
| 9 | 1250 | 10 | 0.4 | Oil | 3200×2000×2400 | 5500 |
| 10 | 1600 | 10 | 0.4 | Oil | 3400×2100×2500 | 6500 |
| 11 | 2000 | 10 | 0.4 | Oil | 3600×2200×2600 | 7800 |
| 12 | 2500 | 10 | 0.4 | Oil | 3800×2300×2700 | 9200 |
Note: The dimensions above are for reference only. Specific dimensions can be customized according to customer requirements.
Product Features
| Structure | Description |
| Integrated Design | HV compartment, transformer compartment, and LV compartment integrated into one unit, compact structure, small footprint. |
| Fully Enclosed Enclosure | High-strength metal enclosure provides corrosion resistance, vandal resistance, and tamper-proof protection for public safety. |
| Modular Design | Modular design of functional units allows flexible configuration and strong scalability. |
| Five-Protection Interlock | Complete mechanical and electrical interlocking devices prevent misoperation and ensure personnel safety. |
| Feature | Description | ||||
| Compact Structure | Integrated design, small footprint, saving land resources. | ||||
| Easy Installation | Integrated lifting, quick on-site installation, no need for a dedicated substation building, reducing construction time. | ||||
| Safe & Reliable | Fully insulated design, five-protection interlock, safe operation, reliable performance. | ||||
| Low Noise Operation | Optimized transformer and enclosure structure ensures low noise operation, suitable for quiet environments such as residential areas. | ||||
| High Protection Level | IP54/IP65 protection level provides dustproof, waterproof, and corrosion-resistant performance for harsh outdoor environments.* | ||||
| Flexible Configuration | Customizable capacity, voltage ratings, switchgear type, and accessories to meet specific customer requirements. | ||||
Applications
| Application | Recommended Capacity | Key Advantages |
| Urban Distribution Networks | 315-1600kVA | Compact structure, easy installation |
| Residential Communities | 315-1250kVA | Low noise, safe and reliable |
| Commercial Centers | 630-2000kVA | High protection level, strong adaptability |
| Industrial Parks | 800-2500kVA | Strong overload capacity, stable operation |
| PV Power Plants | 500-2500kVA | Adaptable to wide voltage fluctuation, efficient grid connection |
| Temporary Construction Power | 100-630kVA | Portable, quick deployment |
Selection Guide
Determine transformer capacity based on total load power and simultaneity factor:
| Total Load Power (kW) | Recommended Capacity (kVA) |
| ≤ 80 | 100 |
| 80-160 | 200 |
| 160-250 | 315 |
| 250-400 | 500 |
| 400-500 | 630 |
| 500-640 | 800 |
| 640-800 | 1000 |
| 800-1000 | 1250 |
| 1000-1280 | 1600 |
| 1280-1600 | 2000 |
| 1600-2000 | 2500 |
| Transformer Type | Applicable Scenario |
| Oil-Immersed | Outdoor installation, large capacity, cost-effective |
| Dry Type | Indoor installation, high fire-safety requirements |
| Switch Type | Applicable Scenario |
| LBS + Fuse | Small to medium capacity, cost-effective |
| Vacuum Circuit Breaker | Large capacity, complete protection functions |
Customization Services
Sline provides comprehensive customization services for compact substations based on your project requirements:
| Customization Option | Description |
| Capacity Customization | 100kVA ~ 2500kVA / Full range coverage |
| Voltage Customization | HV: 6kV-35kV, LV: 0.4kV-0.69kV and non-standard voltages |
| Transformer Type | Oil-Immersed / Dry Type |
| HV Switchgear | LBS / VCB |
| LV Switchgear | Circuit Breaker / Disconnect Switch / Metering Cabinet |
| Enclosure Material | Stainless Steel / Galvanized Steel / Aluminum-Magnesium Alloy |
| Smart Monitoring | Optional smart monitoring system, supports remote communication |
For detailed technical drawings or customized solutions, please contact the Sline technical team. We will provide one-on-one engineer-led service throughout the process.
