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What is Per Unit Analysis of Transformers about?

Per unit analysis is used to normalize variables in power systems to avoid issues from referring impedances across different voltage levels. The key steps are to select a base MVA and voltage bases, then convert actual quantities to per unit by dividing by the appropriate base values. This allows analysis of circuits containing transformers by representing all values on a common scale. Examples show how to perform per unit conversions and calculations for both single phase and three phase systems.

Author

Owais Afzal Jan

Language

EN