Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1979-09-26
1981-10-06
Miller, Jr., Stanley D.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
307234, 307270, 307298, 323286, H03K 301, H03K 1784
Patent
active
042938120
ABSTRACT:
To equalize current flow through a pair of chokes supplying a d-c load from a d-c source, and, if desired, to limit current flow through either a single choke or both to a predetermined maximum value, without using measuring shunts, the voltage drop through the choke itself is being measured by summing circuits, which may form the algebraic sum or difference, respectively, of the voltages across the chokes, the sum or difference signals then being passed through low-pass filters to form signals representative of inductive voltage difference of two chokes, or of the voltage drop through one or both of them, which signals are then applied to respective regulators which, in turn, control the duty cycle of one or two semiconductor switches, respectively connected in series with the respective chokes.
REFERENCES:
patent: 3885170 (1975-05-01), Kuzyk
patent: 3978393 (1976-08-01), Wisher et al.
patent: 4034280 (1977-07-01), Cronin et al.
patent: 4146832 (1979-03-01), McConnell
Kubach Hans
Rupp Hartmann
Davis B. P.
Miller, Jr. Stanley D.
Robert & Bosch GmbH
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