FR2178095A1 - - Google Patents
Info
- Publication number
- FR2178095A1 FR2178095A1 FR7311099A FR7311099A FR2178095A1 FR 2178095 A1 FR2178095 A1 FR 2178095A1 FR 7311099 A FR7311099 A FR 7311099A FR 7311099 A FR7311099 A FR 7311099A FR 2178095 A1 FR2178095 A1 FR 2178095A1
- 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.)
- Granted
Links
Classifications
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- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/145—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/155—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/162—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only in a bridge configuration
- H02M7/1623—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only in a bridge configuration with control circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges
- B23H1/022—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train
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- 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
- G05F1/62—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using bucking or boosting dc sources
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH474672A CH548815A (en) | 1972-03-30 | 1972-03-30 | DIRECT CURRENT REGULATOR. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2178095A1 true FR2178095A1 (en) | 1973-11-09 |
FR2178095B1 FR2178095B1 (en) | 1976-11-05 |
Family
ID=4281793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7311099A Expired FR2178095B1 (en) | 1972-03-30 | 1973-03-28 |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH548815A (en) |
DE (1) | DE2316106A1 (en) |
FR (1) | FR2178095B1 (en) |
GB (1) | GB1413893A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2075401B (en) * | 1980-04-02 | 1983-07-27 | Fawzy El Menshawy Mohamed | Improvements in methods and apparatus for electrical discharge machining |
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1972
- 1972-03-30 CH CH474672A patent/CH548815A/en not_active IP Right Cessation
-
1973
- 1973-03-28 FR FR7311099A patent/FR2178095B1/fr not_active Expired
- 1973-03-28 DE DE19732316106 patent/DE2316106A1/en active Pending
- 1973-03-29 GB GB1514473A patent/GB1413893A/en not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Also Published As
Publication number | Publication date |
---|---|
FR2178095B1 (en) | 1976-11-05 |
DE2316106A1 (en) | 1973-10-18 |
CH548815A (en) | 1974-05-15 |
GB1413893A (en) | 1975-11-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |