Low current AC partial discharge diagnostic system for...

Details Low current AC partial discharge diagnostic system for... Low current AC partial discharge diagnostic system for...

2006-04-18

2006-04-18

Benson, Walter (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S534000, C324S541000, C324S544000

Reexamination Certificate

active

07030621

ABSTRACT:
A system and method for detecting partial discharges or arcing in wiring or cables is disclosed. The system employs a high-voltage AC power source to generate a high-voltage low-current AC waveform, which is propagated through a selected wire, which in turn, produces the return signal. The return signal is processed using a signal processor and the analyzed for indications of the occurrence of a partial discharge. The method detects damage to a selected wire by utilizing high voltage, low current AC waveforms to induce partial discharges in a controlled manner and detecting a return signal resulting from the discharge.

REFERENCES:
patent: 6161077 (2000-12-01), Fawcett
patent: 6617859 (2003-09-01), Orton
patent: 6686746 (2004-02-01), Allan et al.
patent: 6876203 (2005-04-01), Blades
patent: 2002/0097056 (2002-07-01), Blades
patent: 2002/0130668 (2002-09-01), Blades
U.S. Appl. No. 10/063,603, filed May 3, 2002. “Monitoring System and Method for Wiring Systems”, p 1-24, Drawings Figures 1-14 (9 Sheets).

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