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Elimination of transformer inrush currents by controlled switching. I. Theoretical considerations.

Transformer inrush currents are high-magnitude, harmonic-rich currents generated when transformer cores are driven into saturation during energization. These currents have undesirable effects, including potential damage or loss-of-life to the transformer, protective relay misoperation, and reduced p...

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Publicat a:IEEE Transactions on power delivery 16, 2 (2001).
Autor principal: Brunke, J.H
Format: Article
Idioma:anglès
Matèries:
Closing algorithm.
Controlled energization.
Controlled switching.
Controlled transformer switching.
Core flux transients.
Energization.
High-magnitude harmonic-rich currents.
Inrush current.
Multiphase transformers.
Power quality reduction.
Protective relay misoperation.
Residual core transients.
Residual flux.
Saturation.
Single-phase transformer.
Three-phase transformers.
Transformer cores.
Transformer inrush currents elimination.
Transformer loss-of-life.
Transients elimination.