FR844840A - Control devices for an electrical quantity such as a voltage - Google Patents
Control devices for an electrical quantity such as a voltageInfo
- Publication number
- FR844840A FR844840A FR844840DA FR844840A FR 844840 A FR844840 A FR 844840A FR 844840D A FR844840D A FR 844840DA FR 844840 A FR844840 A FR 844840A
- Authority
- FR
- France
- Prior art keywords
- voltage
- control devices
- electrical quantity
- electrical
- devices
- Prior art date
- 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
- G05F1/32—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using magnetic devices having a controllable degree of saturation 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR844840T | 1938-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR844840A true FR844840A (en) | 1939-08-02 |
Family
ID=9312604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR844840D Expired FR844840A (en) | 1938-04-15 | 1938-04-15 | Control devices for an electrical quantity such as a voltage |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE433813A (en) |
CH (1) | CH236290A (en) |
FR (1) | FR844840A (en) |
GB (1) | GB527436A (en) |
-
0
- BE BE433813D patent/BE433813A/xx unknown
-
1938
- 1938-04-15 FR FR844840D patent/FR844840A/en not_active Expired
-
1939
- 1939-04-04 GB GB10525/39A patent/GB527436A/en not_active Expired
- 1939-04-12 CH CH236290D patent/CH236290A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE433813A (en) | |
GB527436A (en) | 1940-10-09 |
CH236290A (en) | 1945-01-31 |
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