Electrical cable arcing fault detection by monitoring power spec

Details Electrical cable arcing fault detection by monitoring power spec Electrical cable arcing fault detection by monitoring power spec

1993-06-03

1994-10-25

Strecker, Gerard R.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324536, 340647, 361 90, 379 26, G01R 3102, H01H 324

Patent

active

053592930

ABSTRACT:
A system for detecting arcing faults in DC electrical cable power distribution circuits, typically in telecommunications networks, monitors the power spectrum of distribution lines over a frequency band of about 4 Hz to 5 KHz in which current surges characteristic of arcing line faults have been found to occur. The system compares power levels in this detection band with a threshold level typical of normal communications traffic and registers an alarm condition when an excess indicative of arcing is detected.

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