250KVA Transformer

Key Technical Specifications

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🏗️ Design and Construction Features

1. Core and Windings

• Core Material: Typically made of high-grade CRGO (Cold-Rolled Grain-Oriented) silicon steel laminations to minimize no-load losses.

  
  

• Taps: Most transformers include an Off-Load Tap Changer (O.L.T.C.) on the HV side. This allows for slight manual voltage adjustment (e.g., ±5.0% to −7.5% in steps) to compensate for system voltage fluctuations.

  
  

2. Enclosure and Tank