SE7801812L - Vagformsyntetiserare - Google Patents
VagformsyntetiserareInfo
- Publication number
- SE7801812L SE7801812L SE7801812A SE7801812A SE7801812L SE 7801812 L SE7801812 L SE 7801812L SE 7801812 A SE7801812 A SE 7801812A SE 7801812 A SE7801812 A SE 7801812A SE 7801812 L SE7801812 L SE 7801812L
- Authority
- SE
- Sweden
- Prior art keywords
- vagform
- synthetizer
- vagform synthetizer
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ18335277 | 1977-02-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7801812L true SE7801812L (sv) | 1978-08-17 |
SE430194B SE430194B (sv) | 1983-10-24 |
Family
ID=19918035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7801812A SE430194B (sv) | 1977-02-16 | 1978-02-16 | Vagformssyntetiserare avsedd for styrning av en flerfasig statisk inverterare |
Country Status (4)
Country | Link |
---|---|
US (1) | US4312030A (sv) |
JP (1) | JPS53124723A (sv) |
GB (1) | GB1589033A (sv) |
SE (1) | SE430194B (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5047915A (en) * | 1990-06-26 | 1991-09-10 | Westinghouse Electric Corp. | Unrestricted frequency converter for unbalanced loads |
US5450521A (en) * | 1994-08-03 | 1995-09-12 | Sunpower, Inc. | Pulse width modulator |
JP3442340B2 (ja) * | 2000-03-29 | 2003-09-02 | ファナック株式会社 | モータ制御装置 |
KR100538225B1 (ko) | 2003-07-16 | 2005-12-21 | 삼성전자주식회사 | 엔코더의 신호처리방법 및 장치 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3538420A (en) * | 1968-12-09 | 1970-11-03 | Eaton Yale & Towne | Inverter |
US3694718A (en) * | 1970-10-19 | 1972-09-26 | Gen Electric | Methods of inverter voltage control by superimposed chopping |
US3697843A (en) * | 1971-11-30 | 1972-10-10 | Gen Motors Corp | Three-phase inverter control circuit |
GB1486811A (en) * | 1973-09-03 | 1977-09-28 | Nz Inventions Dev Authority | Waveform synthesis using switching circuits |
US3971972A (en) * | 1975-03-14 | 1976-07-27 | Allis-Chalmers Corporation | Transistor inverter motor drive having voltage boost at low speeds |
US3967173A (en) * | 1975-03-14 | 1976-06-29 | Allis-Chalmers Corporation | Transistor bridge inverter motor drive having reduced harmonics |
US4123692A (en) * | 1976-10-26 | 1978-10-31 | Allis-Chalmers Corporation | Adjustable speed electric motor drive having constant harmonic content |
-
1978
- 1978-02-14 GB GB5832/78A patent/GB1589033A/en not_active Expired
- 1978-02-16 SE SE7801812A patent/SE430194B/sv unknown
- 1978-02-16 JP JP1707878A patent/JPS53124723A/ja active Pending
-
1979
- 1979-09-05 US US06/072,614 patent/US4312030A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4312030A (en) | 1982-01-19 |
GB1589033A (en) | 1981-05-07 |
SE430194B (sv) | 1983-10-24 |
JPS53124723A (en) | 1978-10-31 |
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