SE8003037L - Reversibelt vexelriktarsystem - Google Patents
Reversibelt vexelriktarsystemInfo
- Publication number
- SE8003037L SE8003037L SE8003037A SE8003037A SE8003037L SE 8003037 L SE8003037 L SE 8003037L SE 8003037 A SE8003037 A SE 8003037A SE 8003037 A SE8003037 A SE 8003037A SE 8003037 L SE8003037 L SE 8003037L
- Authority
- SE
- Sweden
- Prior art keywords
- gating
- wave shape
- signal
- tooth wave
- saw
- Prior art date
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/032,853 US4247890A (en) | 1979-04-24 | 1979-04-24 | Reversible inverter system having improved control scheme |
Publications (1)
Publication Number | Publication Date |
---|---|
SE8003037L true SE8003037L (sv) | 1980-12-03 |
Family
ID=21867179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8003037A SE8003037L (sv) | 1979-04-24 | 1980-04-23 | Reversibelt vexelriktarsystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US4247890A (de) |
JP (1) | JPS561785A (de) |
DE (1) | DE3015157A1 (de) |
GB (1) | GB2047020B (de) |
SE (1) | SE8003037L (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5549996A (en) * | 1978-10-06 | 1980-04-11 | Fanuc Ltd | Motor drive system using pulse width modulation inverter |
JPS5928146B2 (ja) * | 1978-11-04 | 1984-07-11 | ファナック株式会社 | 誘導電動機の駆動制御方式 |
US4511956A (en) * | 1981-11-30 | 1985-04-16 | Park-Ohio Industries, Inc. | Power inverter using separate starting inverter |
US4370703A (en) * | 1981-07-20 | 1983-01-25 | Park-Ohio Industries, Inc. | Solid state frequency converter |
US4385348A (en) * | 1981-08-14 | 1983-05-24 | Park-Ohio Industries, Inc. | Inverter with improved power factor control |
US4507722A (en) * | 1981-11-30 | 1985-03-26 | Park-Ohio Industries, Inc. | Method and apparatus for controlling the power factor of a resonant inverter |
US6385066B1 (en) | 2000-11-01 | 2002-05-07 | General Electric Corporation | Method and system for detecting a zero current level in a line commutated converter |
SE526270C2 (sv) | 2003-03-19 | 2005-08-09 | Forskarpatent I Syd Ab | Seriemagnetisering av synkronmotorer |
US6897698B1 (en) * | 2003-05-30 | 2005-05-24 | O2Micro International Limited | Phase shifting and PWM driving circuits and methods |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3278737A (en) * | 1962-08-03 | 1966-10-11 | Gulton Ind Inc | Quotient circuit |
CH419326A (de) * | 1964-03-20 | 1966-08-31 | Bbc Brown Boveri & Cie | Frequenz- und amplitudenabhängiger Sollwertgeber |
US3493961A (en) * | 1966-05-27 | 1970-02-03 | Rca Corp | Circuit for selectively altering the slope of recurring ramp signals |
US3641566A (en) * | 1969-09-29 | 1972-02-08 | Gen Electric | Frequency polyphase power supply |
US3820109A (en) * | 1970-01-05 | 1974-06-25 | Gen Electric | Cycloconverter interface apparatus |
US3671831A (en) * | 1971-03-05 | 1972-06-20 | Gen Electric | Induction motor speed control |
IT944477B (it) * | 1971-12-29 | 1973-04-20 | Italiana Telecominicazioni Sie | Generatore di una tensione a dente di sega di ampiezza costante al va riare delle frequenza |
US3831113A (en) * | 1973-06-01 | 1974-08-20 | Rca Corp | Relaxation oscillator |
US4032831A (en) * | 1975-11-24 | 1977-06-28 | Tokyo Shibaura Denki Kabushiki Kaisha | Inverter apparatus |
US4066938A (en) * | 1976-10-06 | 1978-01-03 | General Electric Company | Input current modulation to reduce torque pulsations in controlled current inverter drives |
-
1979
- 1979-04-24 US US06/032,853 patent/US4247890A/en not_active Expired - Lifetime
-
1980
- 1980-04-19 DE DE19803015157 patent/DE3015157A1/de active Granted
- 1980-04-22 GB GB8013121A patent/GB2047020B/en not_active Expired
- 1980-04-23 SE SE8003037A patent/SE8003037L/xx not_active Application Discontinuation
- 1980-04-24 JP JP5365880A patent/JPS561785A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3015157C2 (de) | 1990-02-22 |
JPS6311871B2 (de) | 1988-03-16 |
JPS561785A (en) | 1981-01-09 |
GB2047020A (en) | 1980-11-19 |
US4247890A (en) | 1981-01-27 |
GB2047020B (en) | 1983-08-03 |
DE3015157A1 (de) | 1980-11-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1267939A (en) | Voltage control apparatus | |
GB1346156A (en) | Power supply system | |
SE8003037L (sv) | Reversibelt vexelriktarsystem | |
GB1352881A (en) | Cycloconverters | |
ES461490A1 (es) | Aparato para la conversion digital directa de una tension decorriente continua. | |
KR870004560A (ko) | 교류전동기의 구동장치 | |
GB1329764A (en) | Electrical converter station for high voltage | |
GB1313603A (en) | Polyphase reference waveform generator | |
JPH0454357B2 (de) | ||
GB1293097A (en) | Electronic switching techniques and devices | |
NO156190C (no) | Effektfaktor-styreinnretning. | |
SE7606594L (sv) | Bipolera inverterarkretsar | |
JPS5656184A (en) | Control device for synchronous motor | |
SE8505870D0 (sv) | Styrkrets | |
ES428539A1 (es) | Sistema de programacion de las corrientes para maquinas e- lectricas. | |
JPS5556483A (en) | Voltage control method of inverter | |
JPH0724462B2 (ja) | 電流形インバ−タの制御装置 | |
Mishriky et al. | Microcomputer implemented PWM inverter using a unique pattern of switching angles | |
JPS6469266A (en) | Three-phase pwm signal generation circuit for inverter device | |
JP3131975B2 (ja) | ディジタル三相pwm波形発生装置 | |
SU951544A1 (ru) | Способ индикации режима работы статического преобразовател | |
SU936166A1 (ru) | Устройство дл контрол чередовани фаз трехфазной сети | |
SU970699A1 (ru) | Логический элемент И | |
SU1615851A1 (ru) | Способ управлени инвертором напр жени | |
SU1325645A1 (ru) | Устройство дл управлени трехфазным мостовым инвертором |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8003037-2 |