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December 1, 1945Transactions of the American Institute of Electrical Engineers

Phase-Comparison Carrier-Current Relaying

A. J. McConnell Tobias Cramer H. T. Seeley

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Abstract

DIFFERENTIAL PROTECTION is recognized as the ideal means of quickly isolating faulty electric equipment. The carrier-current relaying system described herein is a differential system comparing the phase angles, via a carrier-current channel, of the currents entering and leaving a transmission-line section, and is known as phase-comparison carrier-current relaying.

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McConnell et al. (1945) studied this question.

synapsesocial.com/papers/6a887c9cb98a632b5e4fe32a https://doi.org/10.1109/t-aiee.1945.5059049

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