NO802296L - SINGLE THREAD FLOWERS FOR AA GENERATING GALVANIC SEPARATED INITIAL VOLTAGES - Google Patents
SINGLE THREAD FLOWERS FOR AA GENERATING GALVANIC SEPARATED INITIAL VOLTAGESInfo
- Publication number
- NO802296L NO802296L NO802296A NO802296A NO802296L NO 802296 L NO802296 L NO 802296L NO 802296 A NO802296 A NO 802296A NO 802296 A NO802296 A NO 802296A NO 802296 L NO802296 L NO 802296L
- Authority
- NO
- Norway
- Prior art keywords
- switch
- output
- pulse
- circuit
- winding
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
1. A single-ended forward converter with a pulse-width controlled semiconductor switch (41) in the converter main circuit, and with a power transformer (31) having a plurality of secondary windings (311, 312) for the generation of electrically isolated d.c. output voltages, where at least one output circuit of the single-ended forward converter contains a transistor switch (42) which is pulse-width controlled in dependence upon the output voltage (U22) of this output circuit and which possesses its own auxiliary control circuit whose output pulses occur within the output pulses of the semiconductor switch (41) in the main circuit and which is rendered conductive at the same time as the control transistor located in the converter main circuit, the transistor (42) being arranged in an output circuit that is rendered inoperative by short-circuiting a winding (71) of a pulse-control transformer (7) in dependence upon the output voltage (U22) of the corresponding output circuit, the pulse transformer (7) being preceded by a switch-on device and a switch-off device and the emitter-collector path of a transistor (43) of the switch-off device arranged parallel to a winding (71) of the pulse transformer (7), characterised in that the switch-on device is formed by a series arrangement of a resistor (12) and a diode (57), and that a winding (74) of the pulse transformer is connected via the series arrangement (12, 57) to a separate switch-on winding (311) of the power transformer (31), and that the switch-off device contains a threshold-value switch (81) having an open collector output, whose first input (+) is supplied with a control value which is dependent upon the output voltage and whose other input (-) is supplied with a comparison value (URef ) and which has its output connected via a timer circuit in the form of a mono-stable flip-flop stage which contains a capacitor (21) and a charge resistor (13 ... 15), to that transistor (43) of the switch-off device whose emitter-collector path is arranged parallel to a separate switch-off winding (71) of the pulse transformer (7).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792931042 DE2931042A1 (en) | 1979-07-31 | 1979-07-31 | ONE-STROKE FLOW CONVERTER FOR GENERATING GALVANICALLY SEPARATED OUTPUT DC VOLTAGES |
Publications (3)
Publication Number | Publication Date |
---|---|
NO802296L true NO802296L (en) | 1981-02-02 |
NO154740B NO154740B (en) | 1986-09-01 |
NO154740C NO154740C (en) | 1986-12-10 |
Family
ID=6077257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO802296A NO154740C (en) | 1979-07-31 | 1980-07-30 | SINGLE THREAD FLOWERS FOR AA GENERATING GALVANIC SEPARATED INITIAL VOLTAGES. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0024523B1 (en) |
JP (1) | JPS6042702B2 (en) |
AT (1) | ATE10562T1 (en) |
AU (1) | AU537371B2 (en) |
DE (2) | DE2931042A1 (en) |
NO (1) | NO154740C (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2938162A1 (en) * | 1979-09-21 | 1981-04-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Control circuit for remotely excited DC voltage transformer - applies load signals also reference and output signals to equalising amplifier |
JPS5822086U (en) * | 1981-07-29 | 1983-02-10 | 日本電信電話株式会社 | Multi-output power supply |
JPS5827215A (en) * | 1981-08-08 | 1983-02-17 | Matsushita Electric Ind Co Ltd | Overload protecting device for multi-output switching power source |
US4517633A (en) * | 1981-09-05 | 1985-05-14 | Domenic Melcher | Switched mode power supply with a plurality of regulated secondary outlets |
FR2575008B1 (en) * | 1984-12-19 | 1994-01-28 | Applications Gles Electrici Meca | CONTINUOUS VOLTAGE CUT-OFF POWER FROM AN ALTERNATIVE VOLTAGE |
US5206800A (en) * | 1991-03-13 | 1993-04-27 | Astec International, Ltd. | Zero voltage switching power converter with secondary side regulation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2608167C3 (en) * | 1976-02-27 | 1978-11-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Regulated single-ended flow converter for generating several galvanically isolated output voltages |
DE2613806C2 (en) * | 1976-03-31 | 1978-05-03 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Regulated single-ended flow converter for generating several galvanically isolated output voltages |
DE2902463A1 (en) * | 1979-01-23 | 1980-07-24 | Siemens Ag | CIRCUIT ARRANGEMENT FOR CONTROLLING THE OUTPUT VOLTAGE OF A SINGLE-STROKE FLOW CONVERTER |
-
1979
- 1979-07-31 DE DE19792931042 patent/DE2931042A1/en not_active Withdrawn
-
1980
- 1980-07-10 EP EP80103985A patent/EP0024523B1/en not_active Expired
- 1980-07-10 DE DE8080103985T patent/DE3069700D1/en not_active Expired
- 1980-07-10 AT AT80103985T patent/ATE10562T1/en not_active IP Right Cessation
- 1980-07-30 JP JP55103769A patent/JPS6042702B2/en not_active Expired
- 1980-07-30 NO NO802296A patent/NO154740C/en unknown
- 1980-07-30 AU AU60911/80A patent/AU537371B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU537371B2 (en) | 1984-06-21 |
NO154740B (en) | 1986-09-01 |
JPS5622577A (en) | 1981-03-03 |
DE2931042A1 (en) | 1981-02-05 |
DE3069700D1 (en) | 1985-01-10 |
JPS6042702B2 (en) | 1985-09-24 |
EP0024523A1 (en) | 1981-03-11 |
AU6091180A (en) | 1981-02-05 |
NO154740C (en) | 1986-12-10 |
EP0024523B1 (en) | 1984-11-28 |
ATE10562T1 (en) | 1984-12-15 |
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