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Home / Download Center / Electrical Software Reviews / Distribution transformer calculations – MS Excel Spreadsheet

Four Fast Transformer Calculations

Distribution transformer calculations spreadsheet provides fast calculations for the following: Determining the MV/LV transformer rating, calculating overcurrent protection device rating on the low voltage side of the transformer, calculating the prospective short circuit current and Calculating natural ventilation openings sizes required for the transformer room.

Distribution transformer calculations - MS Excel Spreadsheet
Distribution transformer calculations – MS Excel Spreadsheet

1. Determining the MV/LV transformer rating

Input parameters:

  • Primary rated voltage (kV.)
  • Secondary rated voltage (kV.)
  • Max. demand load (kW)
  • Power factor after correction
  • Transformer type
  • Permissible loading percentage (%)
  • The nearest standard transformer rating (KVA)

2. Calculating overcurrent protection device rating on the low voltage side of the transformer

Calculating overcurrent protection device rating
Calculating overcurrent protection device rating

3. Calculating the prospective short circuit current across the low voltage side of the transformer

Calculating the prospective short circuit current
Calculating the prospective short circuit current

4. Calculating natural ventilation openings sizes required for the transformer room.

Calculating natural ventilation openings sizes

Software:Distribution Transformer Calculations – MS Excel Spreadsheet
Version:
Developer:Mahmoud Salama
Size:278 KB
Price:FREE
Download:Right here | Video Courses | Membership | Download Updates
Distribution transformer calculations - MS Excel Spreadsheet
Distribution transformer calculations – MS Excel Spreadsheet

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30 Comments


  1. Lakshman Rangaiah
    Feb 05, 2020

    I would like to have a low power transformer spread sheet work sheet


  2. Kevin Njoroge
    Sep 06, 2019

    Hi..what could be the cause of mccb heating up and giving out a smell then one pole changes colour to darkish… your response will be highly appreciated


  3. Mubinul Haque
    Oct 05, 2018

    sir, do you have single phase distribution transformer design excel file 6350/240 V, 50 Hz, it will very helpful for me. Thanks in advance .


  4. Romano Trevinati
    Jan 07, 2016

    Good day!

    How i can test the xls file? i’m not able to download….

    thanks for your attention
    Romano


  5. Madhavan
    Nov 25, 2015

    Please send lighting excell spread sheet


  6. Tony
    Oct 24, 2015

    EEP is very, very useful and it help me a lot.

    Thank you very much for being part of my success.

    Thank you.


  7. Ankush Sable
    May 16, 2015

    Dear Sir,
    Please tell me how to calculate tapping of distribution transformer. Please send the formulas for calculating tapp.
    Thank You!!


  8. aviran
    Mar 04, 2015

    please let me know how to design the foil of the distribution transformer , does any one have a design book?? if i have the power data what else i need to do? thank you all!!


  9. aviran
    Mar 02, 2015

    this is great portal , i need your help please.

    i need to design distribution power transformer , and i need to know how!
    do you have any books? sources of design?


  10. Juan Miguel
    Oct 14, 2014

    Great website to all electrical engineering students and for my work.


  11. K S P R M VITTAL
    Sep 03, 2014

    EEE is very very useful web site electrical engineers.I learnt more from this.


  12. Bharathakumar Menon
    Aug 25, 2014

    It is very useful


  13. Ryan
    Aug 25, 2014

    The link isn’t working for me :/


    • Designer
      Jun 12, 2015

      If you want more proffesionally distribution transformer test report xls file please contackt with by e-mail transformersdesign hotmail.com


      • Ivar Ling
        Nov 08, 2020

        I would like to get xls. Calculate sheet template


  14. murugesan
    Aug 24, 2014

    good very useful thanks


  15. Mehdi Hosseini
    Aug 24, 2014

    Very Useful
    Thanks

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