500kVA 3 Phase Pad Mounted Electrical Transformer Weatherproof Oil Immersed Cooling
500kVA 3 Phase Pad Mounted Electrical Transformer Weatherproof Oil Immersed Cooling Product Specifications Attribute Value Type Distribution transformer, power transformer, Oil-filled Transformer Frequency 50Hz, 60Hz Winding Material Aluminum Application Power Phase Three Coil Structure TOROIDAL Coil Number Multi-winding coil Input Voltage 10kV Output Voltage 400V, 440V, 480V Cooling Method ONAN ONAF OFAF Transformer type Toroidal Transformer Technical Specifications Capacity
3 Phase Pad Mounted Electrical Transformer
,Oil Immersed Cooling Pad Mounted Transformer
,Pad Mounted Electrical Transformer Weatherproof
| Attribute | Value |
|---|---|
| Type | Distribution transformer, power transformer, Oil-filled Transformer |
| Frequency | 50Hz, 60Hz |
| Winding Material | Aluminum |
| Application | Power |
| Phase | Three |
| Coil Structure | TOROIDAL |
| Coil Number | Multi-winding coil |
| Input Voltage | 10kV |
| Output Voltage | 400V, 440V, 480V |
| Cooling Method | ONAN ONAF OFAF |
| Transformer type | Toroidal Transformer |
| Capacity (KVA) | HV | Tapping range | LV | No-load loss | Load loss | Impedance | Efficiency |
|---|---|---|---|---|---|---|---|
| 75 | 2400 4160 7200 7620 12000 12470 13200 13800 14400 19920 24940 34500 | ±2X2.5% | 110 120 208 240 277 347 415 416 480 600 690 | 130 | 100 | 4.0-6.3 | 99.03 |
The 500kVA Three-Phase Pad-Mounted Transformer offers a robust, energy-efficient solution for medium to large commercial, industrial, and utility applications. Designed for outdoor installations, this transformer provides stable and reliable power distribution with minimal maintenance. Its oil-immersed cooling system ensures optimal performance, even in demanding environments, while the tamper-proof design provides security and longevity. Ideal for applications requiring a constant, balanced power supply, the 500kVA transformer is engineered to meet high-performance standards and to withstand the rigors of continuous operation.
- Rated Capacity: 500 kVA
- Type: Three-Phase, Pad-Mounted, Oil-Immersed
- Primary Voltage: Customizable (e.g., 11kV, 13.8kV, 12.47kV)
- Secondary Voltage: Customizable (e.g., 480Y/277V, 208Y/120V)
- Frequency: 50Hz / 60Hz
- Cooling Method: Oil Natural Air Natural (ONAN)
- Temperature Rise: 65°C (standard)
- Tap Changer: Off-circuit tap changer ±2×2.5% (customizable)
- Protection Rating: IP23 (Optional: IP44, IP54 for more severe environments)
- Insulation Level: BIL 95kV or according to customer specifications
- Enclosure: Weatherproof, tamper-resistant design (ANSI/IEEE standards compliant)
- Noise Level: ≤ 55 dB (low noise for residential and urban applications)
- Weight: Approx. 2500-3000 kg (depending on configuration)
- Energy-Efficient Operation: High-performance core and winding design minimize energy losses, reducing operational costs.
- Durability & Reliability: Oil-immersed design provides superior cooling and extends transformer lifespan, ensuring uninterrupted power supply.
- Outdoor-Ready: The tamper-proof, weatherproof enclosure is built to withstand harsh outdoor conditions, making it perfect for both urban and rural environments.
- Cost-Effective Maintenance: Reduced maintenance needs thanks to the sealed tank and advanced cooling system, minimizing downtime and extending service life.
- Flexible Power Options: Customizable voltage configurations to meet specific energy requirements for different applications.
- Quiet & Safe: Low-noise operation (≤ 55 dB) makes it suitable for noise-sensitive environments like hospitals, schools, and residential areas.
- Meets Global Standards: Manufactured to meet ANSI/IEEE and IEC safety standards, ensuring a reliable, compliant product for your power distribution needs.
- Utility Substations: Ideal for medium-voltage distribution in substations serving urban or industrial areas.
- Industrial Facilities: Powers manufacturing plants, automation systems, HVAC systems, and more.
- Commercial Buildings: Perfect for office complexes, shopping malls, schools, and hospitals requiring reliable three-phase power.
- Public Infrastructure: Powers outdoor lighting, utility systems, and communication towers in public spaces.
- Renewable Energy Projects: Ideal for integration with renewable energy sources, such as solar and wind farms, to provide stable grid connections.
HENTG POWER is a professional designer, manufacturer and installer of power system solutions around the world, founded in 2011, occupying 100,000 square meters. We specialize in reliable, high-performance solutions for global power systems.
- Pre-production samples before mass production
- Final inspection before shipment with QC & test reports
- Factory Acceptance Test (FAT) available
- Manufacture oil type and dry type distribution transformers up to 500KV 480MVA power transformers
- Compliance with ANSI/IEEE/DOE2016/CSA/IEC60076 standards
- 2+ years guarantee service
- Professional drawing and technical teams
- 7-day drawing confirmation process
- 30+ senior engineers offering 24/7 online support
- 30-minute response time guarantee
- OEM services available
- Flexible payment terms
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