Variable trip fault indicator

Details Variable trip fault indicator Variable trip fault indicator

H - Electricity

02

H

H02H 3/16 (2006.01) H02H 3/04 (2006.01) H02H 3/05 (2006.01) H02H 1/06 (2006.01) H02H 3/08 (2006.01) H02H 3/24 (2006.01)

Patent

CA 2277001

In a power distribution system, a reliable, accurate, and energy efficient fault circuit indicator is provided through a microcomputer-based fault current indicator design. First, reliability is improved inherently because the microcomputer, and the software embedded therein, replace the functionality of numerous discrete, less reliable electronic components found in prior designs. Second, the embedded software is capable of placing the fault current indicator in one of a number of energy conservation states, without compromising the fault current indicator's ability to provide information relating to the occurrence of a fault. Finally, greater fault current indication accuracy is achieved by detecting excessive line current, followed by a significant drop in line voltage.

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