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Anonymous Poster #1

Transient Current Calculations

08/12/2012 12:11 PM

Respected gurus I have a query regarding relay settings. I have 5 transformers each rated 750 kva,22000/433volts and % impedence of 5.12 ohms, feeding total loads of a sub station How can I calculate transformer steady state and transient current at NO LOAD and each are loaded at 75% with 10% motor load and rest is lighting load. Need some standard practical method for transient voltage and current calculation Regards
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