Typical single line AC connection:
Typical three-phase AC connection:
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• The objective of power system protection is to isolate a faulty section of electrical power system from rest of the live system ...
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• The role of the building protection system is to protect it against direct lightning strokes. The system consists of: – - the ca... -
The short-circuit current from various sources is illustrated in figure 2-1. Since short-circuit current from rotating machines varies ...
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• Symmetrical fault current: If in a circuit mainly containing reactance, a short circuit occurs at the peak of the voltage wave, th... -
• Types of protection relays are mainly based on their characteristic, logic, on actuating parameter and operation mechanism. • Bas...
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• Interturn faults occurs in machines i.e, Transformers, Motors and Generators. An Interturn fault occurs due to the insulation break...
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• According different criteria there are different types of circuit breaker . • According to their arc quenching media the circuit...
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• For convenience and to limit the extent of the power system that is disconnected when a fault occurs, power system is divided into ... -
• A circuit breaker is a circuit protection device that, like a fuse, will stop current in the circuit if there is a direct short, ex...
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• Fault Current flows in any part of the power system due to different types of short circuit conditions in the system. • There a...
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