Test instrument for arc fault circuit interrupters

Details Test instrument for arc fault circuit interrupters Test instrument for arc fault circuit interrupters

2005-04-05

2005-04-05

Le, N. (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C324S424000

Reexamination Certificate

active

06876204

ABSTRACT:
An arc fault interrupter tester creates a simulated arc fault current through a full wave bridge rectifier, a load resistor and a switch connected in series. These components are rated at currents and wattage well below the current of the simulated arc fault. Thermal management in the form of a temperature sensor and control pulse timing and duration prevent damage to the low-rated components.

REFERENCES:
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patent: 6218844 (2001-04-01), Wong et al.
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patent: 6426634 (2002-07-01), Clunn et al.
patent: 6507283 (2003-01-01), Calvin
patent: 6583997 (2003-06-01), Reid et al.
patent: 20030090271 (2003-05-01), Hurwicz

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