Method of locating the position of a fault on a power transmissi

Details Method of locating the position of a fault on a power transmissi Method of locating the position of a fault on a power transmissi

1996-08-13

1998-10-20

Nguyen, Vinh P.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

364481, 364492, G01R 3108

Patent

active

058251898

ABSTRACT:
A method of locating the position of a fault on a power transmission line between first and second ends of the line is performed by calculating the complex fault impedance at each of a plurality of assumed fault positions along the length of the line, the fault impedance at each assumed position being calculated utilizing the measurement before and after fault occurrence of the voltage and current at the first end of the line, parameters of the line, and the impedance at the second end of the line; and selecting as the actual fault position the assumed fault position of the plurality of assumed fault positions for which the argument of the complex fault impedance most closely equals zero. The method may be used with single or multi-phase power transmission lines. There is also disclosed a method of determining the form of impedance network at a fault on a multi-phase power transmission line.

REFERENCES:
patent: 4314199 (1982-02-01), Yamaura et al.
patent: 4559491 (1985-12-01), Saha
patent: 4767996 (1988-08-01), Jinzenji
patent: 4785249 (1988-11-01), Yoshida
patent: 4797805 (1989-01-01), Nimmersjo
patent: 4800509 (1989-01-01), Nimmersjo
patent: 4803635 (1989-02-01), Andow
patent: 5399974 (1995-03-01), Eriksson et al.
patent: 5485394 (1996-01-01), Murata et al.
Erickson, "An Accurate Fault Locator . . . ", IEEE Trans. on PAS, V. 104, No. 2, pp. 424-436, Feb. 1985.
IEEE Computer Applications In Power, vol. 6, No. 3, Jul. 1993 US, pp. 22-26, N. N. Bengiamin, et al., PC-Based Fault Finer.
IEEE Transactions On Power Apparatus and Systems, vol. 101, No. 8, Aug. 1982 US, pp. 2892-2898, T. Takagi, et al., Development of a new Fault Locator using the One-Terminal Voltage and Current Data.
IEE Proceedings C, vol. 136, No. 5, Sep. 1989, pp. 279-288, C. Christopoulos, et al., Signal processing and discriminating technique incorporated in a protective scheme based on traveling waves.
ABB Review, No. 8, Aug. 1994 CH, pp. 20-27, D. Novosel, et al., Optimal fault location for transmission systems.
Connor, F.R., Networks, Edward Arnold Pub. Ltd., 41 Bedford Sq., London, WC1B3DQ, pp. 100-101, 1979.

Affiliated with

Also associated with

Rating

Method of locating the position of a fault on a power transmissi does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of locating the position of a fault on a power transmissi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of locating the position of a fault on a power transmissi will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-248290