RO78905A - Metoda si aparat pentru generarea unui semnal de impulsuri cu modulatie de durata - Google Patents
Metoda si aparat pentru generarea unui semnal de impulsuri cu modulatie de durataInfo
- Publication number
- RO78905A RO78905A RO7999518A RO9951879A RO78905A RO 78905 A RO78905 A RO 78905A RO 7999518 A RO7999518 A RO 7999518A RO 9951879 A RO9951879 A RO 9951879A RO 78905 A RO78905 A RO 78905A
- Authority
- RO
- Romania
- Prior art keywords
- generation
- impulse signal
- duration modulation
- modulation impulse
- duration
- Prior art date
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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
- H03K4/026—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform using digital techniques
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Dc Digital Transmission (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ18915378 | 1978-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO78905A true RO78905A (ro) | 1982-04-12 |
Family
ID=19918660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7999518A RO78905A (ro) | 1978-12-12 | 1979-12-12 | Metoda si aparat pentru generarea unui semnal de impulsuri cu modulatie de durata |
Country Status (26)
| Country | Link |
|---|---|
| JP (1) | JPS55130223A (ro) |
| AR (1) | AR230352A1 (ro) |
| AU (1) | AU531422B2 (ro) |
| BE (1) | BE880585A (ro) |
| BR (1) | BR7908232A (ro) |
| CA (1) | CA1147020A (ro) |
| DD (1) | DD147748A5 (ro) |
| DE (1) | DE2949746A1 (ro) |
| DK (1) | DK525579A (ro) |
| EG (1) | EG13632A (ro) |
| ES (2) | ES8102435A1 (ro) |
| FI (1) | FI793840A7 (ro) |
| FR (1) | FR2444371A1 (ro) |
| GB (1) | GB2038114B (ro) |
| GR (1) | GR73606B (ro) |
| IL (1) | IL58904A (ro) |
| IN (1) | IN152950B (ro) |
| IT (1) | IT1164779B (ro) |
| MX (1) | MX147537A (ro) |
| NL (1) | NL7908957A (ro) |
| NO (1) | NO794013L (ro) |
| PL (1) | PL220385A1 (ro) |
| RO (1) | RO78905A (ro) |
| SE (1) | SE7910192L (ro) |
| YU (1) | YU301779A (ro) |
| ZA (1) | ZA796578B (ro) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3510749A (en) * | 1968-02-23 | 1970-05-05 | Trw Inc | Power frequency multiplication using natural sampled quad pulse width modulated inverter |
| DE1945960A1 (de) * | 1969-09-11 | 1971-04-29 | Siemens Ag | Verfahren zur Steuerung einer selbstgefuehrten Stromrichteranordnung durch Impulsbreitenmodulation |
| US3766497A (en) * | 1972-01-21 | 1973-10-16 | Power Control Corp | Method and apparatus for pulse width modulation with variable frequency modes |
-
1979
- 1979-12-04 ZA ZA00796578A patent/ZA796578B/xx unknown
- 1979-12-06 CA CA000341342A patent/CA1147020A/en not_active Expired
- 1979-12-10 IL IL58904A patent/IL58904A/xx unknown
- 1979-12-10 NO NO794013A patent/NO794013L/no unknown
- 1979-12-10 FI FI793840A patent/FI793840A7/fi not_active Application Discontinuation
- 1979-12-11 EG EG735/79A patent/EG13632A/xx active
- 1979-12-11 DE DE19792949746 patent/DE2949746A1/de not_active Withdrawn
- 1979-12-11 DK DK525579A patent/DK525579A/da not_active Application Discontinuation
- 1979-12-11 GB GB7942653A patent/GB2038114B/en not_active Expired
- 1979-12-11 AU AU53668/79A patent/AU531422B2/en not_active Ceased
- 1979-12-11 JP JP16072379A patent/JPS55130223A/ja active Pending
- 1979-12-11 MX MX180432A patent/MX147537A/es unknown
- 1979-12-11 SE SE7910192A patent/SE7910192L/xx not_active Application Discontinuation
- 1979-12-11 ES ES486755A patent/ES8102435A1/es not_active Expired
- 1979-12-11 YU YU03017/79A patent/YU301779A/xx unknown
- 1979-12-12 PL PL22038579A patent/PL220385A1/xx unknown
- 1979-12-12 BE BE198543A patent/BE880585A/fr unknown
- 1979-12-12 AR AR279256A patent/AR230352A1/es active
- 1979-12-12 DD DD79217592A patent/DD147748A5/de unknown
- 1979-12-12 IT IT51066/79A patent/IT1164779B/it active
- 1979-12-12 FR FR7930524A patent/FR2444371A1/fr active Granted
- 1979-12-12 IN IN1296/CAL/79A patent/IN152950B/en unknown
- 1979-12-12 RO RO7999518A patent/RO78905A/ro unknown
- 1979-12-12 NL NL7908957A patent/NL7908957A/nl not_active Application Discontinuation
- 1979-12-12 BR BR7908232A patent/BR7908232A/pt unknown
-
1980
- 1980-01-04 GR GR60701A patent/GR73606B/el unknown
- 1980-08-16 ES ES494315A patent/ES8104682A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES486755A0 (es) | 1980-12-16 |
| ZA796578B (en) | 1980-11-26 |
| EG13632A (en) | 1982-06-30 |
| AR230352A1 (es) | 1984-03-01 |
| DK525579A (da) | 1980-08-07 |
| IN152950B (ro) | 1984-05-05 |
| GB2038114B (en) | 1982-12-01 |
| FR2444371B1 (ro) | 1984-04-27 |
| YU301779A (en) | 1982-08-31 |
| FR2444371A1 (fr) | 1980-07-11 |
| SE7910192L (sv) | 1980-06-13 |
| DD147748A5 (de) | 1981-04-15 |
| IL58904A0 (en) | 1980-06-30 |
| IL58904A (en) | 1982-12-31 |
| DE2949746A1 (de) | 1980-06-26 |
| GB2038114A (en) | 1980-07-16 |
| AU531422B2 (en) | 1983-08-25 |
| IT1164779B (it) | 1987-04-15 |
| AU5366879A (en) | 1980-06-19 |
| IT7951066A0 (it) | 1979-12-12 |
| BE880585A (fr) | 1980-04-01 |
| NL7908957A (nl) | 1980-06-16 |
| MX147537A (es) | 1982-12-13 |
| JPS55130223A (en) | 1980-10-08 |
| NO794013L (no) | 1980-06-13 |
| CA1147020A (en) | 1983-05-24 |
| PL220385A1 (ro) | 1980-09-22 |
| ES494315A0 (es) | 1981-04-01 |
| ES8102435A1 (es) | 1980-12-16 |
| BR7908232A (pt) | 1980-09-23 |
| GR73606B (ro) | 1984-03-26 |
| ES8104682A1 (es) | 1981-04-01 |
| FI793840A7 (fi) | 1981-01-01 |
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