Protective relay test device

Details Protective relay test device Protective relay test device

2006-02-28

2006-02-28

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Electromechanical switching device

Relay

C702S118000

Reexamination Certificate

active

07005856

ABSTRACT:
A test device for testing relays is provided. The test device includes a chassis and a plurality of generator components removably coupled to the chassis. Each of the plurality of generator components have a signal generator, a CPU to promote test signal generation by the signal generator, and an amplifier to amplify signals generated by the signal generator. The test device also includes a controller coupled to communicate with the plurality of generator components.

REFERENCES:
patent: 4464628 (1984-08-01), Nozawa
patent: 5710513 (1998-01-01), March
patent: 6396279 (2002-05-01), Gruenert
patent: 6850073 (2005-02-01), Elms et al.
Aaron C. Klijn, et al.,Protective Relay Test Device Having a Hand-Held Controller, Filing Date—Jun. 23, 2004, U.S. Appl. No. 10/875,017, Specification (74 pgs.) and Drawings (18 sheets).
Michael Edwards, et al.,Test Device for Signaling and Waveform Generation and Monitoring, Filing Date—Jun. 23, 2004, U.S. Appl. No. 10/875,007, Specification (76 pgs.) and Drawings (18 sheets).
Aaron C. Klijn, et al.,Programmable System for Device Testing and Control, Filing Date—Jun. 23, 2004, U.S. Appl. No. 10/874,969, Specification (79 pgs.) and Drawings (18 sheets).

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