Transformer Calculations Spreadsheets




1- GE Transformer & Short Circuit Calculator







This Calculator contains:



a- Simple Calculations

It will furnish base current and extend current capability for identified transformers as well as maximum short circuit current based on infinite MVA at transformer primary.





b- Detailed Calculations 

It will provide base load current and short circuit currents for identified transformers considering primary MVA and impedance details for transformer and Utility.



c- Transformer Tables

It will provide based and extend rating currents for various sizes and types of transformers.




To download GE Transformer & Short Circuit Calculator , click Here




2- Transformer Rating Calculators 




It Calculates the following:

  • Primary current, FLA
  • Secondary current, FLA
  • Primary Fuse Rating Max & Min
  • Secondary Breaker
  • Fault Duty, Primary
  • Fault Duty, Secondary



To download Transformer Rating Calculators, click Here





3- Transformer Harmonic Calculators





It Calculates the following:

  • Calculated RMS Current, FLA
  • Calculated Harmonic Factor


To download Transformer Harmonic Calculators, click Here












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