DK130269B - Generator til fremstilling af en breddemoduleret firkantspænding. - Google Patents
Generator til fremstilling af en breddemoduleret firkantspænding.Info
- Publication number
- DK130269B DK130269B DK412968A DK412968A DK130269B DK 130269 B DK130269 B DK 130269B DK 412968 A DK412968 A DK 412968A DK 412968 A DK412968 A DK 412968A DK 130269 B DK130269 B DK 130269B
- Authority
- DK
- Denmark
- Prior art keywords
- generator
- producing
- width
- square voltage
- modulated square
- 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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- 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
- H02P27/047—V/F converter, wherein the voltage is controlled proportionally with the frequency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Direct Current Motors (AREA)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED0053958 | 1967-08-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK130269B true DK130269B (da) | 1975-01-27 |
DK130269C DK130269C (de) | 1975-06-23 |
Family
ID=7055375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK412968A DK130269B (da) | 1967-08-29 | 1968-08-28 | Generator til fremstilling af en breddemoduleret firkantspænding. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3604995A (de) |
JP (1) | JPS4928041B1 (de) |
CH (1) | CH493168A (de) |
DE (1) | DE1588136B2 (de) |
DK (1) | DK130269B (de) |
FR (1) | FR1578530A (de) |
GB (1) | GB1202466A (de) |
SE (1) | SE356859B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4180842A (en) * | 1978-05-12 | 1979-12-25 | General Electric Company | Timer circuit for use in protective relaying applications |
JPS5917635B2 (ja) * | 1979-07-13 | 1984-04-23 | 東洋電機製造株式会社 | Pwmインバ−タ装置 |
JPS58179176A (ja) * | 1982-04-13 | 1983-10-20 | Mitsubishi Electric Corp | インバ−タ |
JPS59168701U (ja) * | 1983-04-28 | 1984-11-12 | 遠藤 清松 | テレビジヨン受像機の画面の拡大に用いるフレネルレンズの組合せの方法 |
JPS61114401U (de) * | 1984-12-27 | 1986-07-19 | ||
JPS61116304U (de) * | 1984-12-29 | 1986-07-23 | ||
JPH021701U (de) * | 1987-11-11 | 1990-01-08 | ||
US5838294A (en) * | 1996-12-15 | 1998-11-17 | Honeywell Inc. | Very low duty cycle pulse width modulator |
DE10301501B4 (de) | 2003-01-16 | 2007-05-03 | Siemens Ag | Schaltungsanordnung und Verfahren zur Erzeugung eines Pulsweiten-modulierten Signals |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3402353A (en) * | 1965-07-14 | 1968-09-17 | E H Res Lab Inc | Trapezoidal pulse generator with diode bridge for switching independent current sources |
US3440566A (en) * | 1966-02-10 | 1969-04-22 | Gates Radio Co | Pulse duration modulator having trigger circuit utilizing a modified triangular waveform |
-
1967
- 1967-08-29 DE DE19671588136 patent/DE1588136B2/de not_active Withdrawn
-
1968
- 1968-07-23 CH CH1122468A patent/CH493168A/de not_active IP Right Cessation
- 1968-08-20 GB GB3971668A patent/GB1202466A/en not_active Expired
- 1968-08-23 FR FR1578530D patent/FR1578530A/fr not_active Expired
- 1968-08-27 JP JP6139868A patent/JPS4928041B1/ja active Pending
- 1968-08-27 US US3604995D patent/US3604995A/en not_active Expired - Lifetime
- 1968-08-28 SE SE1157868A patent/SE356859B/xx unknown
- 1968-08-28 DK DK412968A patent/DK130269B/da unknown
Also Published As
Publication number | Publication date |
---|---|
SE356859B (de) | 1973-06-04 |
FR1578530A (de) | 1969-08-14 |
DE1588136A1 (de) | 1970-03-05 |
JPS4928041B1 (de) | 1974-07-23 |
DE1588136B2 (de) | 1970-11-12 |
US3604995A (en) | 1971-09-14 |
CH493168A (de) | 1970-06-30 |
GB1202466A (en) | 1970-08-19 |
DK130269C (de) | 1975-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK122082B (da) | Fremgangsmåde til opførelse af et bygningsskelet. | |
DK130269B (da) | Generator til fremstilling af en breddemoduleret firkantspænding. | |
DK133176C (da) | Fremgangsmade til fremstilling af en stiv understotning fortrinsvis en bandage | |
DK131750B (da) | Generator til frembringelse af trekantformede signaler. | |
AT274068B (de) | Impulsgenerator | |
DK131821B (da) | Analogifremgangsmåde til fremstilling af en 2-karbalkoksyaminobenzimidazol. | |
AT279970B (de) | Steuersignalgeber | |
DK155267C (da) | Spaendingsregulator til frembringelse af en styret udgangsjaevnspaending | |
NL162222C (nl) | Zelf-oscillerende spanningsregelaar. | |
NL148203B (nl) | Een hoogfrequentgenerator. | |
FI45502C (fi) | Virtapiiri suorakaidepulssien muuntamiseksi. | |
NL161940C (nl) | Impulsgenerator. | |
NL145425B (nl) | Pulsgever. | |
FR1529035A (fr) | Générateur de commande | |
FR93878E (fr) | Projecteur perfectionné a déviation de faisceau. | |
AT260369B (de) | Synchrongenerator | |
NL152735B (nl) | Hoogspanningsopwekinrichting omvattende een piezo-elektrische transformator. | |
DK115479B (da) | Kobling til frembringelse af en savtakstrøm. | |
DK114397B (da) | Betonpæl. | |
DK123366B (da) | Fremgangsmåde til komprimering af en jordbund. | |
ES141745Y (es) | Una rejilla. | |
ES127449Y (es) | Una rejilla perfecionada. | |
CH468749A (de) | Impulsgenerator | |
ES127931Y (es) | Papelera publica. | |
DK131694B (da) | Fremgangsmåde til fremstilling af en funderingspæl. |