Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means
Patent
1984-12-06
1986-12-23
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific quantity comparison means
361 90, 307200A, H02H 326
Patent
active
046316230
ABSTRACT:
A DC power control circuit with status report and protection against overloads and short circuits is provided in which the output stage comprises at least one output amplifier whose input receives an external control logic signal and whose output is connected, through a current limiter, to the output of the circuit. The control circuit further comprises a voltage threshold detector which compares the residue voltage of the output stage with a threshold voltage corresponding to a maximum acceptable difference and which delivers a report signal representative of the sign of the difference between the residue voltage and the threshold voltage.
REFERENCES:
patent: 3679965 (1972-08-01), Wilkinson
patent: 4225795 (1980-09-01), Keeney
Drucker William A.
Gaffin Jeffrey A.
La Telemecanique Electrique
Pellinen A. D.
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