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Introduction to Power System
protection
Md Irshad Ahmad
Irshad.ahmad@jit.edu.in
Electrical Engineering Department
Subject: NEE –602: SWITCHGEAR AND PROTECTION
 Amplitude and phase comparators
 Over current relays
 Directional relays
 Distance relays
 Differential relay.
 Static Relays: Comparison with electromagnetic relay
 Classification and their description
 Over current relays
 Directional relay
 Distance relays
 Differential relay
OUTLINE
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
Switchgear and protection 2
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Switchgear and protection 2

  • 1. Introduction to Power System protection Md Irshad Ahmad Irshad.ahmad@jit.edu.in Electrical Engineering Department Subject: NEE –602: SWITCHGEAR AND PROTECTION
  • 2.  Amplitude and phase comparators  Over current relays  Directional relays  Distance relays  Differential relay.  Static Relays: Comparison with electromagnetic relay  Classification and their description  Over current relays  Directional relay  Distance relays  Differential relay OUTLINE