Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location
Patent
1994-10-18
1996-04-16
Wieder, Kenneth A.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
For fault location
324532, 324 72, 455 671, G01R 3108, H04B 1700
Patent
active
055086195
ABSTRACT:
There is disclosed a surge discriminating and locating system having at least one master station and at least one slave station. The system comprises surge receiving means for receiving surges which occur on a power transmission line, locating means for locating a point where the surge occurs, digitizing means for digitizing said surge into a digital signal, extraction means for extracting from said digital signal the characterized portions thereof as information representative of the surge waveform, memory means for storing predetermined reference information concerning the nature of surges, and discriminating means for comparing said information representative of the surge wave form with said reference information stored in said memory means to discriminate the kind of surge.
REFERENCES:
patent: 2717992 (1955-09-01), Weintraub
patent: 3710239 (1973-01-01), Nakamura
patent: 4198599 (1980-04-01), Krider et al.
patent: 4996473 (1991-02-01), Markson et al.
patent: 5070537 (1991-12-01), Ohira et al.
patent: 5138265 (1992-08-01), Kawamura et al.
Ohira Sakari
Ozawa Masaaki
Do Diep
Kyokuto Boeki Kaisha
Tohoku Electric Power Co. Inc.
Wieder Kenneth A.
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