Magnetic Circuits and Induction Articles

Magnetic Circuits and Induction Articles: Magnetic Field Equation: The exact description of the Magnetic Field Equation Basics is given by the Maxwell’s equations and the constitutive relationship of the medium…

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Electrical Power Engineering Articles

Electrical Power Engineering Articles: This Electrical Power Engineering Articles which includes the following topics:   Refrigeration Cycle Diagram Explain Vapour Compression Refrigeration System Explain Vapour Absorption Refrigeration System Thermoelectric Refrigeration…

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Loss of Excitation Protection in Generator

Loss of Excitation Protection in Generator: Loss of excitation protection in generator can endanger the generator or the connected system or both. It is caused by accidental tripping of field…

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Stator Overheating Protection

Stator Overheating Protection: Stator Overheating Protection - Generally stator overheating is caused by sustained overloads or by cooling system failure. Overheating because of short-circuited laminations is very localized, and it…

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Generator Inter Turn Fault Protection

Generator Inter Turn Fault Protection: Merz-Price circulating current protection system does not provide protection against turn-to-turn faults (short circuits between the turns) on the same phase winding of the stator…

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Percentage Differential Relay Protection of Generator

Percentage Differential Relay Protection of Generator: This system, also called the Merz-Price protection system, is the most common type of protection used for stator windings against phase-to-phase or phase-to-ground faults.…

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Static Differential Relay Block Diagram and Working Principle

Static Differential Relay Block Diagram and Working Principle: The differential relay measures the phasor difference between two similar electrical quantities (voltage-voltage or current-current). The rectifier bridge amplitude comparator is the…

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Negative Phase Sequence Relay

Negative Phase Sequence Relay: A negative phase sequence relay (or phase unbalance) is essentially provided for the protection of generators and motors against unbalanced loading that may arise due to…

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