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3 Phase Pad Mounted Power Transformer 225kva Iron Core Transformer IEC ANSI IEEE Standard

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3 Phase Pad Mounted Power Transformer 225kva Iron Core Transformer IEC ANSI IEEE Standard

225kVA Three Phase Pad Mounted Power Transformer
Product Overview

High-efficiency 225kVA three-phase pad mounted transformer designed for power distribution systems, compliant with IEC, ANSI, and IEEE standards. Features 100% copper windings and oil-type cooling for reliable performance.

Key Specifications
AttributeValue
TypeDistribution Transformer, Oil-type
Material100% Copper Wire
PhaseThree
Input Voltage3kV, 6kV, 10kV
Output Voltage110V, 220V, 380V, 440V, 480V, 415V, 400V
StandardIEC ANSI IEEE
Rated Capacity75KVA-3750KVA
Cooling TypeONAN/KNAN
Noise Level<50dB
UL CertificationUL-US-2431836-0, UL-CA-2423202-0
225kVA Three Phase Pad Mounted Transformer technical specifications
Technical Parameters
Capacity (KVA)HVLVNo-load lossLoad lossImpedanceEfficiency
752400-34500V110-690V13010004.0-6.399.03%
2252400-34500V110-690V35031004.0-6.399.23%
5002400-34500V110-690V60054104.0-6.399.35%
10002400-34500V110-690V1000103004.0-6.399.43%
225kVA Three Phase Pad Mounted Transformer installation
Key Features
  • Compact design saves approximately 33% space compared to European-style transformers
  • Fully sealed and insulated structure enhances safety and reduces maintenance
  • Multiple power supply schemes including terminal power supply and ring network capability
  • S11 oil-immersed design with low loss, low temperature rise, and strong overload capacity
  • Dual-fuse protection system with current and temperature sensitivity
  • 200A cable connector allows load switching and emergency operation
  • Dyn11 winding connection with three-phase four-column core for stable asymmetric load operation
  • Anti-corrosion cabinet design with special spray paint treatment
Operational Advantages

The compact design facilitates transportation and installation in space-constrained areas. The fully sealed structure minimizes environmental impact on internal components while improving safety and reducing maintenance requirements.

Multiple power supply configurations ensure reliable operation, with automatic switching to backup power during line failures. The energy-efficient S11 transformer design significantly reduces long-term operating costs.

User Benefits

Simplified installation process eliminates the need for large installation sites. Enhanced safety features protect personnel and equipment while minimizing power outages.

Energy-efficient operation delivers substantial cost savings over time. Stable power output extends equipment lifespan and improves production efficiency. The aesthetically designed cabinet blends seamlessly with urban environments.

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