Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
Reexamination Certificate
2006-10-03
2006-10-03
Hoff, Marc S. (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Electrical signal parameter measurement system
C361S062000
Reexamination Certificate
active
07117105
ABSTRACT:
A method and apparatus for monitoring a centrally controlled power distribution system is provided. The method includes sampling an electrical current flow in the centrally controlled power distribution system, transmitting the sampled current signals to a central control processing unit, determining a ground fault presence and location based on the current signals received from all of the node electronics units, and isolating the determined ground fault by opening circuit breakers supplying power to the fault. The apparatus is configured to sample an electrical current flow in the centrally controlled power distribution system, transmit the sampled current signals associated with each circuit breaker to a central control processing unit, determine a ground fault presence and location based on the current signals received from all of the node electronics units in the power distribution system, and isolate the determined ground fault by opening circuit breakers supplying power to the fault.
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patent
Berkcan Ertugrul
Papallo Thomas F.
Premerlani William James
Charioui Mohamed
Hoff Marc S.
Ohlandt Greeley Ruggiero & Perle L.L.P.
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