These spreadsheets below will make your endless calculations much more easier!
- Calculation of IDMT Over Current Relay Settings (50/51/50N/51N)
- Calculation model for thermal relay Siemens 7SJ64
- Motor Protection Relay Selection Curves
- Over current protection – INVERSE TIME O/C PROTECTION CALC – 51(N) – Directional OC – Primary & secondary current calculation
- Filter Design Calculation
- P63x Differential CurrentsCalculation MiCOM P634/P633/P632
- Calculating the operation current in Bias Differential Relays MiCOM P633
- POINT-TO-POINT METHOD OF SHORT CIRCUIT CALCULATIONS
- SLOPE CALCULATION OF LINE DIFF RELAY P543
- TMS Calculate
Download Helpful Excel Spreadsheets for Protection Engineers package
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I need an excel sheet for the transformer differential protection relay RET615. The input will be the relay settings, and it should be capable of calculating Ida, Idb, Idc and Ira, Irb, Irc under any combination of injected phase currents, for any vector group of the transformer
Yahya, let us check our database if find any helpful file will inform you.
Hello i need an excel sheet to calculate the over current protection for a substation with the Siemens over current relay (TYPE 7SJ5511-5CA02-OB).
thanks
Ok, Let Us check and if find, we will send you by tomorrow
Downloaded, very helpful
May I select some file?
Yes, contact us