Method for locating a fault on a line near to a measuring locati

Details Method for locating a fault on a line near to a measuring locati Method for locating a fault on a line near to a measuring locati

1976-05-24

1977-12-13

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

G01R 3108

Patent

active

040631664

ABSTRACT:
A method for locating a fault on a line wherein starting from a fault-free operating state of the line there is derived a substitute-measurement voltage signal which corresponds at least approximately to a frequency component of a line voltage both in magnitude and phase and is approximately independent of breakdown of the line voltage at least for a limited time interval. The substitute-measurement voltage signal is used to form at least one substitute-traveling wave signal and a substitute-evaluation signal.

REFERENCES:
patent: 3281673 (1966-10-01), Richardson
patent: 3590368 (1971-06-01), Esclangon
patent: 3612989 (1971-10-01), Souillard et al.
patent: 3670240 (1972-06-01), Maranchak et al.
patent: 3723864 (1973-03-01), Ricard
patent: 3800215 (1974-03-01), Souillard
patent: 3878460 (1975-04-01), Nimmersjo
patent: 3931502 (1976-01-01), Kohlas
patent: 3983377 (1976-09-01), Vitins

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