Coincidence Type Phase Comparator

Coincidence Type Phase Comparator: The basic concept of phase comparison is simpler in that it is possible to deal with signals of equal strength whose coincidence (or noncoinecidence) is readily…

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Phase Comparator Circuit

Phase Comparator Circuit: Phase Comparator Circuit technique is the most widely used for all practical directional, distance, differential and carrier relays. If the two input signals are S1 and S2…

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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 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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Phase Comparison Carrier Protection

Phase Comparison Carrier Protection: The phase comparison pilot-relaying operates on the principle of comparing the phase position of the currents at the two ends of the protected section. The Phase…

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Comparator Equation in Power System Protection

Comparator Equation in Power System Protection: Comparator Equation in Power System Protection - Taking a very general case to cover the complete range of conventional relay characteristics, let S1 and S2…

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Microprocessor Based Digital Relay

Microprocessor Based Digital Relay: With the fast development in large scale integrated (LSI) technology, sophisticated and fast microprocessors are now available. With the rapid growth of modern complex large power…

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