William A Hodges

US Patent:

7940055, May 10, 2011

Filed:

Feb 25, 2009

Appl. No.:

12/392715

Inventors:

Daniel Nelson Harres - Belleville IL, US
William David Hodges - Wildwood MO, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

G01R 31/08

US Classification:

324509, 324536

Abstract:

An apparatus including a monitoring unit, a number of sensor units, a number of cables, and a number of thermoelectric generators. The number of sensor units is capable of making measurements at a number of locations on a number of power lines for a number of loads. The number of cables connects the monitoring unit to the number of sensor units. The number of thermoelectric generators is capable of generating power for at least one of the monitoring unit and the number of sensor units. The monitoring unit is capable of receiving measurements from the number of sensor units through the number of cables. The monitoring unit is capable of determining whether an arc fault has occurred from the measurements received through the number of cables.