US5038265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply with multiple outputs and load balancing
Assignee: Bull SAS
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Filing: 1990-07-26
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Granted: 1991-08-06
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Expires: 2010-07-26
Abstract
Abstract A power supply with multiple outputs including at least two power converters, each with multiple outputs, a first output of a first power converter being connected in parallel with a first output of a second converter to provide a first load with current. The power supply further includes a first regulating circuit for delivering to each power converter a command signal that is a function of the current delivered to the first load. The power supply also includes at least one other regulating circuit for delivering to an output regulator (postregulator) connected between each power converter and a load other than the first load, a command signal which is a function of the current delivered by each converter output to the load other than the first load.
Inventors
- 👤 Jean-Marie Paladel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:14
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02J; H02J3/00; H02J3/38; H02J3/46; H02J3/48; H02M1/00; H02M1/0067; H02M1/008; H02M1/0083; H02M1/009
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
160 words
A power supply with multiple outputs comprising: at least two energy converters (4, 5) with multiple outputs including a first output (40) of a first converter (4) being connected in parallel with a first output (50) of at least one other converter (5) to provide current across a first load (Z 1 ); a first regulating circuit (3) for delivering to said converters (4, 5) a command signal which is a function of said current delivered to said first load (Z 1 ); for each output, other than said first output, of each of said energy converters, an output regulator (7, 8) connected between each output other than said first output and a load other than said first load (Z 2 ); and at least one other regulating circuit (9) for delivering to each output regulator (7, 8) a command which is a function of the current delivered by each converter output to a load other than said first load.
Claim 2
Dependent Claim
160 words
A power supply with multiple outputs comprising: at least two energy converters (4, 5) with multiple outputs including a first output (40) of a first converter (4) being connected in parallel with a first output (50) of at least one other converter (5) to provide current across a first load (Z 1 ); a first regulating circuit (3) for delivering to said converters (4, 5) a command signal which is a function of said current delivered to said first load (Z 1 ); for each output, other than said first output, of each of said energy converters, an output regulator (7, 8) connected between each output other than said first output and a load other than said first load (Z 2 ); and at least one other regulating circuit (9) for delivering to each output regulator (7, 8) a command which is a function of the current delivered by each converter output to a load other than said first load.
Claim 3
Dependent Claim
35 words
The power supply of claim 1 wherein said command signal delivered by said first regulating circuit (3) is a function of the input current (I p1 , I p2 ) of each converter (4, 5).
Claim 4
Dependent Claim
48 words
The power supply of claim 1, wherein said command signal delivered by said first regulating circuit (3) is a function of the output currents (Is 12 , Is 11 , Is 21 , Is 22 ) delivered to a load connected to the corresponding outputs of each converter.
Claim 5
Dependent Claim
98 words
The power supply of claim 1 wherein each regulating circuit includes: a subtraction circuit (90, 30) for subtracting the voltage (V s1 , V s2 ) measured at the terminals of each load from a reference voltage (V ref ), thereby providing an error signal; an amplifier (31, 91) of said error signal to provide an output signal that is an amplified version of said error signal; and at least a second subtraction circuit (33, 93, 32, 92) for subtracting from said output signal of said amplifier, a signal that also provides current to one of said loads.
Claim 6
Dependent Claim
68 words
The power supply of claim 1, wherein each output regulator (7, 8) is an MOS ballast transistor which absorbs excess output voltage from a secondary (41, 51) of converter (4, 5), and whose grid is controlled by a command signal (72, 82) that is supplied by a regulating circuit other than said first regulating circuit and is a function of an output of said output regulator (7, 8).
Claim 7
Dependent Claim
64 words
The power supply of claim 1, wherein the output regulator (7, 8) is a bipolar transistor which absorbs excess output voltage from a secondary (41, 51) of converter (4, 5), and whose base is controlled by command signal (72, 82) supplied by a regulating circuit other than said first regulating circuit and is a function of an output of said output regulator (7, 8).
Claim 8
Dependent Claim
67 words
The power supply of claim 1, wherein the output regulator (7, 8) is an electronic switch connected at the output of a secondary of converter (4, 5), and is controlled by a pulse width modulation circuit whose input receives command signal (72, 82) supplied by a regulating circuit other than said first regulating circuit and is a function of an output of said output regulator (7, 8).
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-05 | 1995-02-04 | 1995-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-05 | 1999-02-04 | 1999-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-05 | 2003-02-04 | 2003-08-06 | $7700.00 | Window Closed / Lapsed |