Documents A. Basic Relaying Fundamentals-1.1 (2)

“POWER SYSTEM PROTECTIVE RELAYING” By: Engr. Ulysses Paguio(P.E.E.) BSEE79/MIT&BSECE80MIT RELAYING FUNDAMENTALS by: Engineer Ulysses Paguio LIST OF DEVICE NUMBER…

Documents Protective Device Numbers

Protective Device Numbers Protective relays are commonly referred to by standard device numbers. For example, a time overcurrent relay is designated a 51 device, while an…