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Revised CT Requirements for P540 Relays by Ravi Mehroliya is a document available to read on EtoBox.

What is Revised CT Requirements for P540 Relays about?

This engineering report analyzes CT requirement tests performed on the MiCOM P540 relay to verify the exact variation of the dimensioning factor K with fault current and system X/R ratio. The report finds that the test results allow more accurate interpolation of CT requirements at intermediate fault current and X/R levels compared to the coarse steps used previously. The conclusion is that exact formulae calculating the CT requirements based on these test results should be implemented in product documentat

Author

Ravi Mehroliya

Language

EN