CH616788A5 - - Google Patents
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- Publication number
- CH616788A5 CH616788A5 CH478277A CH478277A CH616788A5 CH 616788 A5 CH616788 A5 CH 616788A5 CH 478277 A CH478277 A CH 478277A CH 478277 A CH478277 A CH 478277A CH 616788 A5 CH616788 A5 CH 616788A5
- Authority
- CH
- Switzerland
- Prior art keywords
- counter
- circuit
- signal
- modulation
- carrier wave
- Prior art date
Links
- 230000006870 function Effects 0.000 claims description 88
- 230000000630 rising effect Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000000737 periodic effect Effects 0.000 claims description 2
- 239000000969 carrier Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 34
- 238000000034 method Methods 0.000 description 16
- 230000008859 change Effects 0.000 description 15
- 238000004804 winding Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- H02M7/53—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 triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
- H02M7/53875—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Ac Motors In General (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7604119A NL7604119A (nl) | 1976-04-20 | 1976-04-20 | Schakeling voor het opwekken van een in impuls- breedte gemoduleerd signaal. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH616788A5 true CH616788A5 (xx) | 1980-04-15 |
Family
ID=19826025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH478277A CH616788A5 (xx) | 1976-04-20 | 1977-04-18 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4189669A (xx) |
| JP (1) | JPS52128042A (xx) |
| CA (1) | CA1123908A (xx) |
| CH (1) | CH616788A5 (xx) |
| DE (1) | DE2715882C2 (xx) |
| ES (1) | ES457920A1 (xx) |
| FR (1) | FR2349237A1 (xx) |
| GB (1) | GB1578829A (xx) |
| NL (1) | NL7604119A (xx) |
| SE (1) | SE418242B (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4337429A (en) * | 1980-09-04 | 1982-06-29 | The University Of Toledo | A.C. Motor control circuit |
| US4544873A (en) * | 1982-04-29 | 1985-10-01 | Otis Elevator Company | Elevator polyphase motor control |
| JPH0667205B2 (ja) * | 1983-02-04 | 1994-08-24 | 株式会社日立製作所 | Ｐｗｍパルス発生装置 |
| US4472671A (en) * | 1983-02-09 | 1984-09-18 | Able Corporation | Inverter startup circuit |
| US4634952A (en) * | 1983-11-30 | 1987-01-06 | System Homes Company, Ltd. | Inverter |
| US5506484A (en) * | 1994-06-10 | 1996-04-09 | Westinghouse Electric Corp. | Digital pulse width modulator with integrated test and control |
| US5912712A (en) * | 1997-05-14 | 1999-06-15 | Texas Instruments Incorporated | Time expansion of pulse width modulation sequences by clock dropping |
| JP3815423B2 (ja) * | 2002-11-07 | 2006-08-30 | ソニー株式会社 | 送信装置及び送信方法、受信装置及び受信方法、パルス位置検出方法、並びにトラッキング方法 |
| EP1571636A1 (en) * | 2004-03-01 | 2005-09-07 | STMicroelectronics S.r.l. | Transmission device for remote control systems |
| US8085106B2 (en) * | 2008-10-09 | 2011-12-27 | Muzahid Bin Huda | Method and apparatus for dynamic modulation |
| DE102016103290A1 (de) * | 2016-02-24 | 2017-08-24 | Bauer Gear Motor GmbH | Verfahren zum Betreiben eines Drehstrommotors an einem Gleichspannungsnetz, Wechselrichter für das Verfahren, System mit Wechselrichter und Verfahren zur Bereitstellung eines Drehstrommotors |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3064173A (en) * | 1956-05-18 | 1962-11-13 | Celanese Corp | Speed slaving method and apparatus |
| US3206665A (en) * | 1962-12-19 | 1965-09-14 | Lear Siegler Inc | Digital speed controller |
| CH484565A (de) * | 1967-12-20 | 1970-01-15 | Bosch Gmbh Robert | Vor-Rückwärts-Zählanordnung |
| US3573601A (en) * | 1969-03-07 | 1971-04-06 | Bendix Corp | Transformerless pulse width modulated inverter for providing three phase voltage for a three wire load |
| US3609507A (en) * | 1970-05-05 | 1971-09-28 | Garrett Corp | Polyphase inverter system having fault protection and output amplitude regulation through pulse width modulation |
| US3605005A (en) * | 1970-09-10 | 1971-09-14 | Itt | Inverters |
| US3646417A (en) * | 1971-03-25 | 1972-02-29 | Ibm | Digital speed servomechanism |
| US3735269A (en) * | 1971-10-29 | 1973-05-22 | Rockland Systems Corp | Digital frequency synthesizer |
| US3753155A (en) * | 1972-01-21 | 1973-08-14 | Power Control Corp | Apparatus for center-referenced pulse width modulation |
| US3946293A (en) * | 1974-09-13 | 1976-03-23 | Conco Inc. | Thyristor control system |
| US3950682A (en) * | 1974-12-19 | 1976-04-13 | International Business Machines Corporation | Digital dc motor velocity control system |
| US4117364A (en) * | 1976-05-14 | 1978-09-26 | Massachusetts Institute Of Technology | Voltage waveform synthesizer and a system that includes the same |
-
1976
- 1976-04-20 NL NL7604119A patent/NL7604119A/xx not_active Application Discontinuation
-
1977
- 1977-04-07 CA CA276,316A patent/CA1123908A/en not_active Expired
- 1977-04-09 DE DE2715882A patent/DE2715882C2/de not_active Expired
- 1977-04-13 US US05/787,091 patent/US4189669A/en not_active Expired - Lifetime
- 1977-04-15 JP JP4277277A patent/JPS52128042A/ja active Granted
- 1977-04-15 GB GB15736/77A patent/GB1578829A/en not_active Expired
- 1977-04-18 CH CH478277A patent/CH616788A5/de not_active IP Right Cessation
- 1977-04-18 ES ES457920A patent/ES457920A1/es not_active Expired
- 1977-04-18 SE SE7704372A patent/SE418242B/xx not_active IP Right Cessation
- 1977-04-20 FR FR7711876A patent/FR2349237A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2715882A1 (de) | 1978-01-12 |
| SE7704372L (sv) | 1977-10-21 |
| FR2349237A1 (fr) | 1977-11-18 |
| NL7604119A (nl) | 1976-12-31 |
| DE2715882C2 (de) | 1985-02-28 |
| JPS52128042A (en) | 1977-10-27 |
| ES457920A1 (es) | 1978-03-01 |
| CA1123908A (en) | 1982-05-18 |
| JPS639403B2 (xx) | 1988-02-29 |
| SE418242B (sv) | 1981-05-11 |
| FR2349237B1 (xx) | 1982-07-02 |
| US4189669A (en) | 1980-02-19 |
| GB1578829A (en) | 1980-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |