FR2296928B3 - - Google Patents
Info
- Publication number
- FR2296928B3 FR2296928B3 FR7500120A FR7500120A FR2296928B3 FR 2296928 B3 FR2296928 B3 FR 2296928B3 FR 7500120 A FR7500120 A FR 7500120A FR 7500120 A FR7500120 A FR 7500120A FR 2296928 B3 FR2296928 B3 FR 2296928B3
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
- G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
- G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
- G05F1/16—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices
- G05F1/20—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/563—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices including two stages of regulation at least one of which is output level responsive, e.g. coarse and fine regulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/006—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage
- H02H11/007—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage involving automatic switching for adapting the protected apparatus to the supply voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Direct Current Feeding And Distribution (AREA)
- Dc-Dc Converters (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5571474A GB1476699A (en) | 1974-12-24 | 1974-12-24 | Power supply system |
| DE19752500065 DE2500065A1 (de) | 1974-12-24 | 1975-01-02 | Netzteil fuer elektrogeraete |
| FR7500120A FR2296928A1 (fr) | 1974-12-24 | 1975-01-03 | Dispositif d'alimentation electrique |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5571474A GB1476699A (en) | 1974-12-24 | 1974-12-24 | Power supply system |
| DE19752500065 DE2500065A1 (de) | 1974-12-24 | 1975-01-02 | Netzteil fuer elektrogeraete |
| FR7500120A FR2296928A1 (fr) | 1974-12-24 | 1975-01-03 | Dispositif d'alimentation electrique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2296928A1 FR2296928A1 (fr) | 1976-07-30 |
| FR2296928B3 true FR2296928B3 (US20050065096A1-20050324-C00069.png) | 1977-09-30 |
Family
ID=64076357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7500120A Granted FR2296928A1 (fr) | 1974-12-24 | 1975-01-03 | Dispositif d'alimentation electrique |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2500065A1 (US20050065096A1-20050324-C00069.png) |
| FR (1) | FR2296928A1 (US20050065096A1-20050324-C00069.png) |
| GB (1) | GB1476699A (US20050065096A1-20050324-C00069.png) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2801462C2 (de) * | 1978-01-13 | 1982-06-24 | Paul Bern Petersen | Schaltungsanordnung zum automatischen Umschalten eines Gerätes von einer Netzspannung auf eine andere |
| DE2813774C2 (de) * | 1978-03-30 | 1982-10-21 | Siemens AG, 1000 Berlin und 8000 München | Netzanschlußgerät für mit Gleichstrom betriebene elektrische Spielzeug- und Modelleisenbahnen |
| FR2430676A1 (fr) * | 1978-07-07 | 1980-02-01 | Cilas | Procede et dispositif pour charger un condensateur |
| GB2125194A (en) * | 1982-08-05 | 1984-02-29 | Plessey Co Plc | Regulated DC power supply |
| US4590546A (en) * | 1984-02-23 | 1986-05-20 | Rca Corporation | Variable input voltage regulator circuit |
| EP0169488B1 (de) * | 1984-07-24 | 1991-10-16 | Voigt & Haeffner GmbH | Transformatorschaltung |
| JPH0375805A (ja) * | 1989-08-17 | 1991-03-29 | Fuji Xerox Co Ltd | 画像形成装置 |
| US4888545A (en) * | 1988-06-01 | 1989-12-19 | International Business Machines Corp. | Improved tap switching power supply |
| KR910003812B1 (ko) * | 1988-07-26 | 1991-06-12 | 마길평 | 전열기구의 정전력공급장치 |
| GB8905641D0 (en) * | 1989-03-11 | 1989-04-26 | Smiths Industries Plc | Power supplies |
| GB2238635B (en) * | 1989-11-27 | 1993-09-22 | Uniqey | Electrical power sources |
| JP3031647B2 (ja) * | 1992-02-08 | 2000-04-10 | 日立粉末冶金株式会社 | 粉末材料の押出し成形装置 |
| DE9319889U1 (de) * | 1993-12-23 | 1995-05-04 | Siemens AG, 80333 München | Serienkreistransformator |
| CN102306544A (zh) * | 2011-05-24 | 2012-01-04 | 天津三星电子有限公司 | 便于调节输出的变压器 |
| CN102592807B (zh) * | 2012-02-09 | 2014-07-16 | 山东大学 | 一种开关特性饱和电抗器有载分接开关 |
-
1974
- 1974-12-24 GB GB5571474A patent/GB1476699A/en not_active Expired
-
1975
- 1975-01-02 DE DE19752500065 patent/DE2500065A1/de active Pending
- 1975-01-03 FR FR7500120A patent/FR2296928A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2296928A1 (fr) | 1976-07-30 |
| GB1476699A (en) | 1977-06-16 |
| DE2500065A1 (de) | 1976-07-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |