Device for controlling the regulating facilities in an electric high-power AC-DC converter
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United States of America Patent
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May 22, 1984
Grant Date -
N/A
app pub date -
Dec 23, 1981
filing date -
Dec 30, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a device particularly adapted for use with the power supply of a computer for controlling the regulating facilities in an electric high-power AC-DC converter of the power supply. This control device (D) comprises a regulation (CC) control comparator connected to the storage facilities (S) of the converter and receiving a reference voltage having a 'nominal' value when the converter is normally powered by an AC network and receiving a portion of the output voltage from the converter, the output of said control comparator (CC) supplying an error signal to the regulating facilities (MR) of the converter. The control device also includes facilities (R) for supplying a variable reference voltage to the control comparator (CC) so that at the moment of recovery of the network following a cutoff, the voltage at the input of the filtering facilities (F) of the converter is, at the most, equal to the output voltage of the storage facilities (S).
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