Protective Relay

Springer

Protective Relays: Their Theory and Practice Volume One (English Edition)

CRC Press

Protective Relay Principles                      

Chapman and Hall

Protective Relays: v. 2                          

Kessinger Publishing

Protective Relays: Their Theory, Design And Practical Operation (1922)

Protective Relays Application Guide              

CRC Press

Digital Protective Relays: Problems and Solutions (English Edition)

Electrical Circuit Breakers, Fuses, Protective Relays, and More (English Edition)

Handbook of Electrical Systems From Transformers to Protective Relays: Motor, Generator, Excite, Turbine Generator Basics and application Batteries (English Edition)

Academic Press

Practical Power System and Protective Relays Commissioning

5STARCooks

Protective relay The Ultimate Step-By-Step Guide