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Posted inProtection and Switch gear
Busbar Protection
The protection scheme for a power system should cover the whole system against all probable…
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Transformer differential protection
the different turns ratio, the currents fed into the pilot wires from each end are…
Posted inProtection and Switch gear
Earth fault protection of Generators
The neutral point of the generator is usually earthed, so as to facilitate the protection…
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Generator Protection
Introduction · The range of size of generators extends from a few hundred KVA to more…
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Pilot wire schemes for feeder protection
In differential protection scheme, the current entering at one end of the line and leaving…
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Protection Of Feeders
Over current and earth fault protection It is customary to have two elements of over…
Posted inProtection and Switch gear
Comparators
Looking at the general torque equation and any of the other relays used, it can…