Classification
Distribution transformers are classified into different categories based on certain factors such as
- Type of insulation - liquid-immersed distribution transformers or dry-type distribution transformers
- Number of Phases - single-phase distribution transformers or three-phase distribution transformers
- voltage class (for dry-type) – Low voltage distribution transformers or medium voltage distribution transformers
- Basic impulse insulation level (BIL), for medium-voltage, dry-type.
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