Title:
HIGH IMPEDANCE FAULT DETECTION
Document Type and Number:
WIPO Patent Application WO2005076428
Kind Code:
A9
Abstract:
An apparatus, system, and method for detecting high impedance faults in electrical power lines using a composite high impedance fault detection system having a voter logic that samples the logical outputs from a plurality of independent high impedance detection systems and determines a high impedance fault if any two of the plurality of independent high impedance detection systems indicates a high impedance fault. Preferably, the plurality of high impedance detection systems include a wavelet based high impedance fault detection system having a first logical output, a higher order statistics based high impedance fault detection system having a second logical output, and a neural net based high impedance fault detection system having a third logical output. Preferably, each of the plurality of high impedance fault detection systems includes an independent high impedance fault detection application that independently detects a high impedance fault on the electrical power line.
Inventors:
KUNSMAN STEVEN (US)
JOUNY ISMAIL (US)
KAPRIELIAN STEPHEN (US)
JOUNY ISMAIL (US)
KAPRIELIAN STEPHEN (US)
Application Number:
PCT/US2005/002958
Publication Date:
October 26, 2006
Filing Date:
February 01, 2005
Export Citation:
Assignee:
ABB INC (US)
KUNSMAN STEVEN (US)
JOUNY ISMAIL (US)
KAPRIELIAN STEPHEN (US)
KUNSMAN STEVEN (US)
JOUNY ISMAIL (US)
KAPRIELIAN STEPHEN (US)
International Classes:
H02H1/00; G01R31/50; H02H3/05
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