excel sheet to calculate all operating values for siemens transformer relay 1

[waleedhamed]

thread238-307149

I hope the attached excel file will help you to get the operating current values for transformer differential protection up to 4 winding and also give u the required injection in amps and angles to verify the slope characteristic of the relay .
I make this sheet based on the respective relay manual and field practice .
for any esquires don't hesitate to contact me

 

[anielpr]

Good job dear

 

[anaz]

thanks Mr.waleed