Contents:

1.    Purpose of Protective Relays and Relaying

2.    Relay Design and Construction

3.    The Main Characteristics of Protective Relays

4.    Overcurrent Protection

5.    Distance Relays

6.    Switched and Polyphase Distance Relays

7.    Directional Pilot Relaying

8.    A.C. Pilot Relaying

9.    Protection of A.C. Machines

10. Power Transformer Protection

11. Bus-Zone Protection

12. Back-up Protection

13. Maintenance and Testing of Relays

14. Miscellaneous