ZA79750B - Method of and apparatus for eliminating priming and carrier sweep-out losses in scr switching circuits and the like - Google Patents
Method of and apparatus for eliminating priming and carrier sweep-out losses in scr switching circuits and the likeInfo
- Publication number
- ZA79750B ZA79750B ZA79750A ZA79750A ZA79750B ZA 79750 B ZA79750 B ZA 79750B ZA 79750 A ZA79750 A ZA 79750A ZA 79750 A ZA79750 A ZA 79750A ZA 79750 B ZA79750 B ZA 79750B
- Authority
- ZA
- South Africa
- Prior art keywords
- switching circuits
- scr switching
- carrier sweep
- out losses
- priming
- Prior art date
Links
- 230000037452 priming Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/73—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for DC voltages or currents
-
- 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
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/125—Conversion of DC power input into DC power output without intermediate conversion into AC 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
- H02M3/135—Conversion of DC power input into DC power output without intermediate conversion into AC 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
- H02M3/137—Conversion of DC power input into DC power output without intermediate conversion into AC 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 with automatic control of output voltage or current, e.g. switching regulators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/04—Modifications for accelerating switching
- H03K17/0403—Modifications for accelerating switching in thyristor switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/0036—Means reducing energy consumption
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power Conversion In General (AREA)
- Thyristor Switches And Gates (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/893,966 US4230955A (en) | 1978-04-06 | 1978-04-06 | Method of and apparatus for eliminating priming and carrier sweep-out losses in SCR switching circuits and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA79750B true ZA79750B (en) | 1980-03-26 |
Family
ID=25402416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA79750A ZA79750B (en) | 1978-04-06 | 1979-02-19 | Method of and apparatus for eliminating priming and carrier sweep-out losses in scr switching circuits and the like |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4230955A (cs) |
| EP (1) | EP0004701B1 (cs) |
| JP (2) | JPS54148369A (cs) |
| AU (1) | AU527680B2 (cs) |
| CA (1) | CA1134438A (cs) |
| DE (1) | DE2964125D1 (cs) |
| HK (1) | HK64585A (cs) |
| IL (1) | IL56422A (cs) |
| ZA (1) | ZA79750B (cs) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4674022A (en) * | 1986-07-01 | 1987-06-16 | Megapulse, Inc. | SCR priming and sweep-out circuit apparatus |
| GB8816774D0 (en) * | 1988-07-14 | 1988-08-17 | Bsr Int Plc | Power supplies |
| EP0550757B1 (en) * | 1991-06-28 | 2001-10-10 | Hitachi Metals, Ltd. | Pulse generator and dust collector using same |
| FR2717015B1 (fr) * | 1994-03-03 | 1996-04-26 | Alcatel Converters | Alimentation à découpage adaptée pour permettre des commutations sous tension réduite. |
| US5734544A (en) * | 1996-07-09 | 1998-03-31 | Megapulse, Inc. | Solid-state pulse generating apparatus and method particularly adapted for ion implantation |
| US5969439A (en) * | 1998-04-09 | 1999-10-19 | Megapulse, Incorporated | Pulse generator apparatus for RF pulse generation in tuned loads including series regulation and capacitor clamping method therefor |
| FR2803135B1 (fr) * | 1999-12-28 | 2002-04-26 | Valeo Electronique | Circuit a decoupage, notamment pour vehicule automobile, a filtrage ameliore |
| US6466461B2 (en) * | 2001-02-09 | 2002-10-15 | Netpower Technologies, Inc. | Method and circuit for reducing voltage level variation in a bias voltage in a power converter |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1396036A (fr) * | 1964-04-27 | 1965-04-16 | Frako Condensatoren Und Appbau | Montage pour la commande avec faibles pertes d'un récepteur électrique à courant continu |
| US3549908A (en) * | 1968-11-14 | 1970-12-22 | Us Navy | Turn-off circuit for dc load carrying scr switch |
| GB1260967A (en) * | 1969-11-15 | 1972-01-19 | Marconi Co Ltd | Improvements in or relating to triggerable pulse generators |
| JPS4946573B1 (cs) * | 1970-03-27 | 1974-12-11 | ||
| US3652874A (en) * | 1970-07-30 | 1972-03-28 | Donald F Partridge | Circuit for controlling the conduction of a switching device |
| US3942094A (en) * | 1973-08-13 | 1976-03-02 | Mitsubishi Denki Kabushiki Kaisha | Commutation circuit and applications thereof |
| JPS5245633B2 (cs) * | 1973-10-23 | 1977-11-17 | ||
| JPS5087263A (cs) * | 1973-12-03 | 1975-07-14 | ||
| GB1563999A (en) * | 1975-09-18 | 1980-04-02 | Marconi Co Ltd | Capacitor charging systems |
-
1978
- 1978-04-06 US US05/893,966 patent/US4230955A/en not_active Expired - Lifetime
-
1979
- 1979-01-12 IL IL56422A patent/IL56422A/xx not_active IP Right Cessation
- 1979-01-19 AU AU43496/79A patent/AU527680B2/en not_active Expired
- 1979-02-02 JP JP1134579A patent/JPS54148369A/ja active Granted
- 1979-02-09 CA CA000321145A patent/CA1134438A/en not_active Expired
- 1979-02-19 ZA ZA79750A patent/ZA79750B/xx unknown
- 1979-02-20 EP EP79300254A patent/EP0004701B1/en not_active Expired
- 1979-02-20 DE DE7979300254T patent/DE2964125D1/de not_active Expired
-
1985
- 1985-08-29 HK HK645/85A patent/HK64585A/en not_active IP Right Cessation
-
1992
- 1992-06-30 JP JP4173184A patent/JPH0744441B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54148369A (en) | 1979-11-20 |
| EP0004701B1 (en) | 1982-12-01 |
| EP0004701A2 (en) | 1979-10-17 |
| HK64585A (en) | 1985-09-06 |
| JPH0744441B2 (ja) | 1995-05-15 |
| IL56422A (en) | 1982-07-30 |
| JPH0474950B2 (cs) | 1992-11-27 |
| EP0004701A3 (en) | 1979-10-31 |
| CA1134438A (en) | 1982-10-26 |
| DE2964125D1 (en) | 1983-01-05 |
| AU527680B2 (en) | 1983-03-17 |
| IL56422A0 (en) | 1979-03-12 |
| JPH05315924A (ja) | 1993-11-26 |
| US4230955A (en) | 1980-10-28 |
| AU4349679A (en) | 1979-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2122846B (en) | Call completion circuit and method | |
| GB2025662B (en) | Pulsatileblood pumping apparatus and method | |
| GB2020066B (en) | Pumping apparatus and method | |
| JPS56130918A (en) | Method of injecting semiconductor | |
| JPS5577639A (en) | Stageddfuel injection method and apparatus | |
| GB2026430B (en) | Method and apparatus for bonding components together | |
| DE2960762D1 (en) | Apparatus for establishing temporary test-contact connexions to electric circuits and its use. | |
| GB2029613B (en) | Carry anticipator circuit and method | |
| EP0251428A3 (en) | Improved scr priming and sweep-out circuit apparatus | |
| ZA79750B (en) | Method of and apparatus for eliminating priming and carrier sweep-out losses in scr switching circuits and the like | |
| GB2036539B (en) | Apparatus and method for prefabricating pockets | |
| JPS5554001A (en) | Method of concentrating solution and its device | |
| PL238687A1 (en) | Low energy input drying method and apparatus therefor | |
| JPS5598369A (en) | Method and circuit for processing frequency | |
| JPS54135497A (en) | Method of removing detrimental component in blood | |
| DE3276036D1 (en) | Process for the thermomigration of liquid phases, and apparatus for carrying out this process | |
| DE3375701D1 (en) | Apparatus and method for reducing solvent losses | |
| GB2034549B (en) | Ccd circuits and method of operating same | |
| DE2965080D1 (en) | Integrated semiconductor circuit structure and method for realizing the same | |
| JPS5743561A (en) | Arc-ignition method of thyristor converter | |
| JPS553689A (en) | Power thyristor and method of manufacturing same | |
| JPS54163897A (en) | Betaalactamase inhibiting agent em4615 and method | |
| GB2019650B (en) | Thyristor and method of making the thyristor | |
| GB2030812B (en) | Circuits and method of operating same | |
| JPS5555519A (en) | Method of moving semiconductor melt |