Static Amplitude Comparator

Static Amplitude Comparator: If the two input signals are S1 and S2 the amplitude comparator gives positive (yes) output only if S2/S1 ≤ K (Fig. (11.1)), S1 is the operating quantity…

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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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Comparators in Power System Articles

Comparators in Power System Articles: Coincidence Type Phase Comparator : The basic concept of phase comparison is simpler in that it is possible to deal with signals of equal strength…

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Static Protective Relay Articles

Static Protective Relay Articles: Electronic Relays : Electronic Relays – These were the first to be developed in the series of static relays. They date back to early 1928 when…

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Static Distance Protection Relay

Static Distance Protection Relay: Static Distance Protection Relay are characterized by having two input quantities respectively proportional to the voltage and current at a particular point in the power system,…

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Static Relays Basics and Classification

Static Relays Basics and Classification: A Static Relays Basics refers to a relay in which the measurement or comparison of electrical quantities is done in a static network which is…

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Power System Protection and Switchgear Articles

Power System Protection and Switchgear Articles: This Power System Protection and Switchgear Articles which includes the following topics: Basic Ideas of Protection Relay Fault Meaning Zone Protection Essential Qualities of…

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