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The goal of this course is to learn the various types, functions, and applications of the auxiliary relays used in the protection and control circuits in the substations, such as Trip Relay, Trip Circuit Supervision, DC Supervision, in addition to understanding the general applications of Auxiliaries.
Intermediate
This course modules tackle:
Miniature Circuit Breaker
Difference between MCB, MCCB, and CB
MCB Tripping Characteristics
Testing of MCB
Tripping Time
Contact Resistance
Auxiliary Relays
Different Applications of Auxiliary Relays in the Schemes
Testing of Auxiliary Relays
Auxiliary Relay Pickup and Drop-off
Auxiliary Relay Operating and Resetting Time
Auxiliary Relay Burden
