FR1303427A - Frequency transformer for EDM machine tools - Google Patents
Frequency transformer for EDM machine toolsInfo
- Publication number
- FR1303427A FR1303427A FR875792A FR875792A FR1303427A FR 1303427 A FR1303427 A FR 1303427A FR 875792 A FR875792 A FR 875792A FR 875792 A FR875792 A FR 875792A FR 1303427 A FR1303427 A FR 1303427A
- Authority
- FR
- France
- Prior art keywords
- machine tools
- frequency transformer
- edm machine
- edm
- transformer
- 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
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
-
- 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
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/443—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/45—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M5/4505—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only having a rectifier with controlled elements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR875792A FR1303427A (en) | 1960-10-14 | 1961-10-12 | Frequency transformer for EDM machine tools |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1156960A CH385989A (en) | 1960-10-14 | 1960-10-14 | Static frequency converter |
FR875792A FR1303427A (en) | 1960-10-14 | 1961-10-12 | Frequency transformer for EDM machine tools |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1303427A true FR1303427A (en) | 1962-09-07 |
Family
ID=25708549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR875792A Expired FR1303427A (en) | 1960-10-14 | 1961-10-12 | Frequency transformer for EDM machine tools |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1303427A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3246227A (en) * | 1961-12-13 | 1966-04-12 | Agie A G Fur Ind Electronik | Frequency transformer including safety circuit |
US3260919A (en) * | 1962-04-02 | 1966-07-12 | North American Aviation Inc | Regulated inverter circuit |
-
1961
- 1961-10-12 FR FR875792A patent/FR1303427A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3246227A (en) * | 1961-12-13 | 1966-04-12 | Agie A G Fur Ind Electronik | Frequency transformer including safety circuit |
US3259827A (en) * | 1961-12-13 | 1966-07-05 | Agie Ag Ind Elektronik | Frequency transformer including improved inverter circuit |
US3273041A (en) * | 1961-12-13 | 1966-09-13 | Agie Ag Ind Elektronik | Circuit with controlled rectifiers and improved ignition thereof |
US3260919A (en) * | 1962-04-02 | 1966-07-12 | North American Aviation Inc | Regulated inverter circuit |
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