Faulted circuit indicatior with variable load levelling circuit

Details Faulted circuit indicatior with variable load levelling circuit Faulted circuit indicatior with variable load levelling circuit

1995-08-21

1998-05-19

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361115, H02H 300

Patent

active

057543836

ABSTRACT:
A faulted circuit indicator includes a variable load levelling circuit which can automatically adjust itself to a peak current in order to accommodate a relatively wide range of load currents. The variable load levelling circuit is operatively connected to a current sensing circuit and is responsive to a varying load current flowing through the cable for regulating a variable output voltage therefrom to be at a constant reference value. As a result, the need to store in inventory large quantities of fault indicators with different rated currents has been substantially reduced.

REFERENCES:
patent: 5168414 (1992-12-01), Horstman
patent: 5241444 (1993-08-01), Yeh

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