Method and a device for determining a fault on a transmission li

Details Method and a device for determining a fault on a transmission li Method and a device for determining a fault on a transmission li

1993-09-21

1995-08-29

Wieder, Kenneth A.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

324539, 361 80, G01R 3108

Patent

active

054463874

ABSTRACT:
A method and a device for determining the distance from a measuring station to a fault on a transmission line based on a fault model of a transmission network while taking into consideration the zero-sequence impedance and, where assuming a fault current, while taking into consideration the feeding of fault current to the fault point from both ends of the transmission line (FIG. 3 ).

REFERENCES:
patent: 4251766 (1981-02-01), Souillard
patent: 4499417 (1985-02-01), Wright et al.
patent: 4559491 (1985-12-01), Sara
patent: 4868704 (1989-09-01), Cavero
patent: 4906937 (1989-03-01), Wikstrom et al.
Numerical Distance Protection for Sub-Transmission Lines; Engovist et al.; International Conference on Large High Voltage Electric Systems; 1988; No. 34-04.
Computer Relaying; IEEE Tutorial Course, 79 EH0148-7 PWR; pp. 22 & 74.
Micro-Processor-Based Algorithm for High-Resistance Earth-Fault Distance Protection; Yang et al.; IEE Proceedings; vol. 130 Pt. C No. 6; Nov. 1983; pp. 307-310.

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