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SBHL-M-1000-13.8/0.231
YAWEI
>> Product Introduction
Product Advantage
1.Low-Loss Energy-Saving Core
2. Optimized Dyn11 Vector Group
The standard Dyn11 wiring configuration boasts superior operational performance, which can effectively filter and suppress harmonic interference in the power grid, realize balanced three-phase current output and reduce zero-sequence current. It provides reliable protection for terminal low-voltage electrical equipment and consistently maintains high-quality, safe and stable power supply.
Designed with a standard 5.5% short-circuit impedance, the product achieves a perfect balance between short-circuit withstand capability and voltage regulation performance. It can effectively restrain sudden short-circuit faults of the power grid, prevent excessive voltage drop under full-load and heavy-load operating conditions, and fully adapt to diverse and complex power supply environments.
The transformer is filled with eco-friendly PCB-free 25# mineral insulating oil, which features excellent insulation strength and thermal conductivity without causing environmental pollution. The optimized overall insulation structure enhances electrical breakdown resistance, ensuring stable insulation performance and reliable operational electrical safety in long-term service.
Equipped with a proven ONAN natural oil circulation cooling system, the equipment realizes uniform internal heat dissipation and automatic temperature adjustment during operation. It effectively controls operational temperature rise, avoids equipment overheating failure, and supports long-term continuous and stable full-load operation of the transformer.
>> Technical Parameters
| Type | Three Phase Oil-immersed Distribution Transformer |
| Model | S-M-160-30-0.41 |
| Installation | Outdoor |
| Altitude | ≤1000m |
| Rated Power | 160KVA or others |
| Cooling Method | ONAN |
| Primary Voltage | 30KV |
| Secondary Voltage | 410V or others |
| Rated Frequence | 50/60HZ |
| Insulation oil | Mineral oil |
| Tapping Range | ±2×2.5%/±5% |
| Temperature rise℃) | 65 |
| Connection Group | Dyn11/Yyn0 |
| Total weight(kg) | 1700 |
>> Product Uses
This 20kV-class oil-immersed transformer is mainly used for urban grid upgrading, community and residential power distribution, stepping down 20kV medium voltage to 0.41kV for civilian use. Its low-noise ONAN cooling design meets urban safety and environmental standards, suitable for stable operation in densely populated urban areas.
It acts as key distribution equipment for factories and industrial parks. With stable voltage output and strong load adaptability, it withstands production peak loads and equipment startup impacts, ensuring continuous and reliable power supply for industrial facilities and production lines.
It is a dedicated grid-connected transformer for photovoltaic and wind power projects. It adapts to fluctuating new energy power output to ensure stable grid connection and high power efficiency. Featuring anti-corrosion and weather-resistant design, it operates reliably outdoors in humid and coastal environments.
With low maintenance needs and wide temperature adaptability, the transformer fits rural grid renovation and remote village power supply. Its excellent voltage regulation effectively compensates grid voltage fluctuation, delivering stable power for daily life and agricultural production in remote areas.
>> Product Accessories and Routine Tests
Lifting lug
HV bushing
LV bushing
Off load tap changer/On load tap changer
Pressure relief valve
Drain & Sampling valve
Nameplate
Oil temperature indicator
Oil level indicator
Measurement of Insulation Resistance
Voltage Ratio Measurement and Vector Group Verification Test
Measurement of No-load Loss and Current
Measurement of Winding Resistance
Measurement of Short-circuit Impedance and Load Loss
Induced Voltage Withstand Test
Separate-Source Power-Frequency Voltage Withstand Test
Leak Test
Oil Test
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