FR901969A - Method and arrangements of electrical circuits for obtaining a direct current, of intensity as a function of the derivative, with respect to time of the frequency of an alternating current, with variable voltage and frequency - Google Patents
Method and arrangements of electrical circuits for obtaining a direct current, of intensity as a function of the derivative, with respect to time of the frequency of an alternating current, with variable voltage and frequencyInfo
- Publication number
- FR901969A FR901969A FR901969DA FR901969A FR 901969 A FR901969 A FR 901969A FR 901969D A FR901969D A FR 901969DA FR 901969 A FR901969 A FR 901969A
- Authority
- FR
- France
- Prior art keywords
- frequency
- arrangements
- derivative
- intensity
- obtaining
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/42—Arrangements for controlling electric generators for the purpose of obtaining a desired output to obtain desired frequency without varying speed of the generator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR901969T | 1944-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR901969A true FR901969A (en) | 1945-08-14 |
Family
ID=9404050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR901969D Expired FR901969A (en) | 1944-02-15 | 1944-02-15 | Method and arrangements of electrical circuits for obtaining a direct current, of intensity as a function of the derivative, with respect to time of the frequency of an alternating current, with variable voltage and frequency |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR901969A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1082979B (en) * | 1957-07-08 | 1960-06-09 | Gossen & Co Gmbh P | Pointer frequency meter |
DE1104059B (en) * | 1956-08-10 | 1961-04-06 | Siemens Ag | Measuring transducer for displaying a frequency deviation from a setpoint |
DE1228714B (en) * | 1961-01-27 | 1966-11-17 | Gossen & Co Gmbh P | Arrangement for frequency measurement |
DE1237680B (en) * | 1959-06-26 | 1967-03-30 | Siemens Ag | Measuring transducer that supplies an output DC voltage, the magnitude and direction of which depends on the deviation of the frequency of an AC voltage from a nominal value |
WO2011073952A2 (en) | 2009-12-18 | 2011-06-23 | Total S.A. | Method for extracting hydrocarbons |
-
1944
- 1944-02-15 FR FR901969D patent/FR901969A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1104059B (en) * | 1956-08-10 | 1961-04-06 | Siemens Ag | Measuring transducer for displaying a frequency deviation from a setpoint |
DE1082979B (en) * | 1957-07-08 | 1960-06-09 | Gossen & Co Gmbh P | Pointer frequency meter |
DE1237680B (en) * | 1959-06-26 | 1967-03-30 | Siemens Ag | Measuring transducer that supplies an output DC voltage, the magnitude and direction of which depends on the deviation of the frequency of an AC voltage from a nominal value |
DE1228714B (en) * | 1961-01-27 | 1966-11-17 | Gossen & Co Gmbh P | Arrangement for frequency measurement |
WO2011073952A2 (en) | 2009-12-18 | 2011-06-23 | Total S.A. | Method for extracting hydrocarbons |
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