Huapeng 3000 KVA Pad Mounted Transformer
✓ Capacity: 3000 kVA
✓ Phase: Three-phase
✓ Impedance: 5.75%
✓ Cooling: KNAN with FR3 oil
✓ Vector Group: Dyn1
✓ Efficiency: DOE-2016 compliant
✓ High Voltage: 12,470 Delta Volts, 95 kV BIL
✓ High Voltage Configuration: Dead Front, Loop Feed
✓ Taps: 2 – 2.5% taps above and 2 – 2.5% taps below normal
✓ Load-Break Switching: 15-38kV, 200A
✓ Overcurrent Protection: Bayonet Fuses with Partial-Range Current-Limiting Fuses
✓ Low Voltage: 415 Volts, 30 kV BIL
✓ Low Voltage Class: 1.2 kV
✓ Coatings: Munsell Green topcoat
Description
Transformer Specifications:
The Huapeng 3000kVA Pad Transformer is a robust three-phase transformer with a capacity of 3000 kVA, making it suitable for various industrial and utility applications. Its low impedance of 5.75% ensures efficient power transfer while minimizing energy losses. This transformer operates with a cooling system consisting of KNAN and FR3 oil, guaranteeing effective temperature control. Its Dyn1 vector group configuration provides flexibility in power distribution setups, and it complies with DOE-2016 efficiency standards, reflecting its commitment to energy efficiency. With high voltage rated at 12,470 Delta Volts and a 95 kV BIL, it can handle demanding voltage requirements. The inclusion of multiple taps, both above and below the normal rating, allows for precise voltage adjustments, ensuring optimal performance. Additionally, its load-break switching capability at 15-38kV and 200A provides versatility in managing electrical circuits.
Safety and Accessories:
The Huapeng 3000kVA Pad Transformer prioritizes safety and reliability. It features overcurrent protection using bayonet fuses in series with Partial-Range Current-Limiting fuses, minimizing the risk of electrical faults. With a low voltage rating of 415 Volts and a 30 kV BIL, it provides consistent power distribution on the low-voltage side. The transformer is equipped with IEEE standard two-hole ground pads for grounding, enhancing safety. Its construction includes a durable enclosure with a bolted or welded cover, ensuring the security of internal components. The presence of gauges, including liquid level, thermometer, pressure/vacuum gauge, and a drain valve with a sampler in the low-voltage compartment, offers real-time monitoring and maintenance convenience. Lastly, the Munsell Green topcoat adds a protective layer to the transformer’s exterior while adhering to industry standards.
Parameter | Specification |
---|---|
Capacity | 3000 kVA |
Phase | Three-phase |
Impedance | 5.75% |
Temperature Rise | 65°C (average winding rise) |
Cooling Class | KNAN with FR3 oil |
Vector Group | Dyn1 |
Efficiency Standard | DOE-2016 compliant |
High Voltage | 12,470 Delta Volts |
High Voltage BIL | 95 kV |
High Voltage Configuration | Dead Front, Loop Feed |
Taps | 2 – 2.5% taps above and 2 – 2.5% taps below normal |
Load-Break Switching | 15-38kV, 200A 4-Position T-Blade |
Overcurrent Protection | Bayonet Fuses in series with Partial-Range Current-Limiting Fuses |
Expulsion Fuses | Bayonet Fuses |
Bayonet Holder | Silver-Plated Holder Fuses |
Low Voltage | 415 Volts |
Low Voltage BIL | 30 kV |
Low Voltage Class | 1.2 kV |
Low Voltage Bushings | Integral copper 12-hole spade bushings |
Bushing Arrangement | Staggered LV Bushing Arrangement |
Bushing Supports | Standard LV Bushing Support Assembly |
Cabinet Hardware | Penta-head cabinet door bolts |
IEEE K-Dimension | Loop feed per IEEE C57.12.34-2015 Figure 11 min. dimensions (without bails) |
Coatings | Munsell Green (Munsell 7GY 3.29/1.5) topcoat |
Gauges & Fittings | Liquid level gauge, Thermometer (dial type), Pressure/vacuum gauge, Drain valve (1″) with sampler in LV compartment, Pressure relief device (35 SCFM) |
Tank Accessories | IEEE standard two-hole ground pads |
Cover | Bolted or welded cover with handhole |
Gauges Location | Inside Main Cabinet on Front Plate |