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Developments in solid-state under-frequency relays

Mathur, BL and Mehrotra, VK and Parthasarathy, K and Kothari, GC (1975) Developments in solid-state under-frequency relays. In: Proceedings of the Institution of Electrical Engineers, 122 (11). pp. 1306-1307.

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Simpler circuits for frequency-sensitive relays responding to change and rate of change of system frequency have been developed employing phase-locked loops. A new relay responding to time intergral of the fall in system frequency has also been developed and its performance has been compared with those responding to change and rate of change of system frequency. The relays have been tested and calibrated with the help of a specially designed calibration kit.

Item Type: Journal Article
Publication: Proceedings of the Institution of Electrical Engineers
Publisher: IEEE
Additional Information: Copyright 1975 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 27 Feb 2012 11:01
Last Modified: 27 Feb 2012 11:01
URI: http://eprints.iisc.ac.in/id/eprint/43078

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