1. Product Overview
SBH15-M series amorphous alloy distribution transformers uses amorphous alloy as the core material, adopts full-sealed oil-immersed structure. Vacuum oil injection process ensures stable insulation. The no-load loss is about 70% lower than that of traditional transformers. It is an efficient, energy-saving, reliable and maintenance-free power distribution equipment, widely used in various power distribution systems.
2. Model Meaning
Model Character | Meaning |
S | Three-phase |
B | Foil Winding |
H | Amorphous Alloy Core |
15 | Loss Level (Level 15, the larger the number, the more energy-saving) |
M | Full Sealed Type |
3. Product Functions & Features
• Extreme Energy Saving: Amorphous alloy core has small magnetization power and ultra-low no-load loss, about 70% lower than S9 type transformers, which can greatly reduce electricity costs during long-term operation.
• Maintenance-free Design: Full-sealed oil tank structure with high-quality seals, isolating transformer oil from the atmosphere, preventing oil deterioration and insulation moisture, no maintenance required during normal operation.
• Stable Operation: Low-voltage adopts copper foil coil to enhance short-circuit withstand capacity; vacuum oil injection process eliminates coil bubbles, with excellent insulation performance and reliable operation.
• Environmental Protection & Low Noise: The core adopts wound core structure, with small vibration and low noise, meeting environmental protection requirements, suitable for various noise-sensitive scenarios.
• Strong Adaptability: Flexible wiring method, strong adaptability to power grid, can be adapted to different power distribution scenarios according to needs, and easy to install.
4. Application Environmental Conditions
Item | Parameter Value | Unit |
Ambient Temperature (Max/Min) | 40/-45 | ℃ |
Average Temperature of Hottest Month | 30 | ℃ |
Relative Humidity (Daily Avg/Monthly Avg) | ≤95/≤90 | % |
Altitude | ≤1000 | m |
Maximum Wind Speed | ≤35 | m/s |
Pollution Level | IV | - |
Installation Site | Outdoor | - |
5. Application Scenarios
Mainly used in urban and rural power grid distribution systems, as well as power distribution projects in industrial plants, commercial buildings, residential communities, airports, subways and other places, especially suitable for scenarios with low distribution transformer utilization rate.
6. Technical Parameters
Model | Capacity (kVA) | High Voltage (kV) | Low Voltage (kV) | No-load Loss (W) | Load Loss (W) | No-load Current (%) | Impedance Voltage (%) |
SBH15-M-50/10 | 50 | 10 | 0.4 | 910 | 430 | 1.3 | 4.0 |
SBH15-M-100/10 | 100 | 10 | 0.4 | 1580 | 750 | 1.0 | 4.0 |
SBH15-M-200/10 | 200 | 10 | 0.4 | 2730 | 1200 | 0.7 | 4.0 |
SBH15-M-400/10 | 400 | 10 | 0.4 | 4520 | 2400 | 0.5 | 4.0 |
SBH15-M-1000/10 | 1000 | 10 | 0.4 | 10300 | 5300 | 0.2 | 4.5 |
SBH15-M-2500/10 | 2500 | 10 | 0.4 | 21200 | 9000 | 0.2 | 5.0 |
7. Cited Standards
• GB/T 25446-2010 "Technical Parameters and Requirements for Oil-immersed Amorphous Alloy Core Distribution Transformers"
• GB 1094.1-2013 "Power Transformers - Part 1: General"
• GB 1094.3-2017 "Power Transformers - Part 3: Insulation Levels, Insulation Tests and External Insulation Air Gaps"
• GB 1094.5-2018 "Power Transformers - Part 5: Short-circuit Withstand Capability"
• GB/T 6451-2023 "Technical Parameters and Requirements for Oil-immersed Power Transformers"
• GB 20052-2020 "Minimum Allowable Values of Energy Efficiency and Energy Efficiency Levels for Power Transformers"
