ZA782881B - A method of controlling the cut-off angle of static coverter valves or semiconductor elements - Google Patents
A method of controlling the cut-off angle of static coverter valves or semiconductor elementsInfo
- Publication number
- ZA782881B ZA782881B ZA00782881A ZA782881A ZA782881B ZA 782881 B ZA782881 B ZA 782881B ZA 00782881 A ZA00782881 A ZA 00782881A ZA 782881 A ZA782881 A ZA 782881A ZA 782881 B ZA782881 B ZA 782881B
- Authority
- ZA
- South Africa
- Prior art keywords
- coverter
- valves
- static
- cut
- controlling
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title 1
- 230000003068 static effect Effects 0.000 title 1
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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/505—Conversion of DC power input into AC 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
- H02M7/515—Conversion of DC power input into AC 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
- H02M7/525—Conversion of DC power input into AC 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 with automatic control of output waveform or frequency
- H02M7/527—Conversion of DC power input into AC 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 with automatic control of output waveform or frequency by pulse width modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Rectifiers (AREA)
- Paper (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Power Conversion In General (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2724796A DE2724796C3 (de) | 1977-05-28 | 1977-05-28 | Verfahren zur Löschwinkelmessung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA782881B true ZA782881B (en) | 1979-05-30 |
Family
ID=6010441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00782881A ZA782881B (en) | 1977-05-28 | 1978-05-19 | A method of controlling the cut-off angle of static coverter valves or semiconductor elements |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4167698A (xx) |
| JP (1) | JPS53147925A (xx) |
| AR (1) | AR215299A1 (xx) |
| AT (1) | AT360123B (xx) |
| AU (1) | AU514249B2 (xx) |
| BR (1) | BR7802995A (xx) |
| CA (1) | CA1090422A (xx) |
| CS (1) | CS216808B2 (xx) |
| DD (1) | DD135958A5 (xx) |
| DE (1) | DE2724796C3 (xx) |
| DK (1) | DK218878A (xx) |
| ES (1) | ES469806A1 (xx) |
| GB (1) | GB1603221A (xx) |
| IN (1) | IN150963B (xx) |
| MX (1) | MX148608A (xx) |
| NO (1) | NO146178C (xx) |
| SE (1) | SE433789B (xx) |
| SU (1) | SU683651A3 (xx) |
| ZA (1) | ZA782881B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54145470A (en) * | 1978-05-08 | 1979-11-13 | Toshiba Corp | Display unit for thyristor ignition and feeding phase completion |
| US4356446A (en) * | 1981-03-23 | 1982-10-26 | Transdata, Inc. | Time division multiplier transducer with selective phase shift |
| US4357645A (en) * | 1981-05-13 | 1982-11-02 | Control Concepts Inc. | System for detecting faulty SCR's |
| US4494182A (en) * | 1983-01-14 | 1985-01-15 | General Electric Company | Commutation detection apparatus and method |
| US4598353A (en) * | 1984-11-07 | 1986-07-01 | Hughes Tool Company | Thyristor firing circuit for determining phase angle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1263623B (de) * | 1965-02-12 | 1968-03-14 | Licentia Gmbh | Verfahren und Schaltungsanordnung zum Messen der Laenge mehrerer aufeinanderfolgender periodischer Zeitabschnitte |
| US3584286A (en) * | 1969-12-08 | 1971-06-08 | Acme Electric Corp | Phase shift circuit for phase controlled rectifiers |
-
1977
- 1977-05-28 DE DE2724796A patent/DE2724796C3/de not_active Expired
-
1978
- 1978-03-16 GB GB10449/78A patent/GB1603221A/en not_active Expired
- 1978-03-30 MX MX172922A patent/MX148608A/es unknown
- 1978-05-02 CS CS782802A patent/CS216808B2/cs unknown
- 1978-05-03 AR AR272011A patent/AR215299A1/es active
- 1978-05-11 JP JP5503278A patent/JPS53147925A/ja active Pending
- 1978-05-11 BR BR7802995A patent/BR7802995A/pt unknown
- 1978-05-12 ES ES469806A patent/ES469806A1/es not_active Expired
- 1978-05-18 DK DK218878A patent/DK218878A/da unknown
- 1978-05-19 AU AU36275/78A patent/AU514249B2/en not_active Expired
- 1978-05-19 ZA ZA00782881A patent/ZA782881B/xx unknown
- 1978-05-23 US US05/908,826 patent/US4167698A/en not_active Expired - Lifetime
- 1978-05-23 SE SE7805885A patent/SE433789B/sv unknown
- 1978-05-23 DD DD78205525A patent/DD135958A5/xx unknown
- 1978-05-25 SU SU782618103A patent/SU683651A3/ru active
- 1978-05-26 CA CA304,154A patent/CA1090422A/en not_active Expired
- 1978-05-26 NO NO781845A patent/NO146178C/no unknown
- 1978-05-26 AT AT383478A patent/AT360123B/de not_active IP Right Cessation
- 1978-06-21 IN IN684/CAL/78A patent/IN150963B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2724796B2 (de) | 1980-01-03 |
| CA1090422A (en) | 1980-11-25 |
| DE2724796C3 (de) | 1980-09-04 |
| AR215299A1 (es) | 1979-09-28 |
| DE2724796A1 (de) | 1978-11-30 |
| NO146178C (no) | 1982-08-11 |
| US4167698A (en) | 1979-09-11 |
| DD135958A5 (de) | 1979-06-06 |
| SU683651A3 (ru) | 1979-08-30 |
| AU3627578A (en) | 1979-11-22 |
| SE7805885L (sv) | 1978-11-29 |
| DK218878A (da) | 1978-11-29 |
| SE433789B (sv) | 1984-06-12 |
| NO781845L (no) | 1978-11-29 |
| GB1603221A (en) | 1981-11-18 |
| AU514249B2 (en) | 1981-01-29 |
| ES469806A1 (es) | 1979-01-16 |
| JPS53147925A (en) | 1978-12-23 |
| ATA383478A (de) | 1980-05-15 |
| MX148608A (es) | 1983-05-17 |
| AT360123B (de) | 1980-12-29 |
| NO146178B (no) | 1982-05-03 |
| CS216808B2 (en) | 1982-11-26 |
| IN150963B (xx) | 1983-01-29 |
| BR7802995A (pt) | 1979-01-02 |
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