GB8907918D0 - Improvements in controllers for electrical loads - Google Patents
Improvements in controllers for electrical loadsInfo
- Publication number
- GB8907918D0 GB8907918D0 GB898907918A GB8907918A GB8907918D0 GB 8907918 D0 GB8907918 D0 GB 8907918D0 GB 898907918 A GB898907918 A GB 898907918A GB 8907918 A GB8907918 A GB 8907918A GB 8907918 D0 GB8907918 D0 GB 8907918D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- controllers
- electrical loads
- loads
- electrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898907918A GB8907918D0 (en) | 1989-04-07 | 1989-04-07 | Improvements in controllers for electrical loads |
JP50534790A JPH04504496A (ja) | 1989-04-07 | 1990-04-06 | 電気負荷制御装置 |
CA 2051402 CA2051402A1 (en) | 1989-04-07 | 1990-04-06 | Controller for an electrical load |
GB9007846A GB2232835A (en) | 1989-04-07 | 1990-04-06 | A controller for an electrical load. |
PCT/GB1990/000520 WO1990012446A1 (en) | 1989-04-07 | 1990-04-06 | A controller for an electrical load |
EP19900905575 EP0466757A1 (de) | 1989-04-07 | 1990-04-06 | Regler für eine elektrische last |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898907918A GB8907918D0 (en) | 1989-04-07 | 1989-04-07 | Improvements in controllers for electrical loads |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8907918D0 true GB8907918D0 (en) | 1989-05-24 |
Family
ID=10654661
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB898907918A Pending GB8907918D0 (en) | 1989-04-07 | 1989-04-07 | Improvements in controllers for electrical loads |
GB9007846A Withdrawn GB2232835A (en) | 1989-04-07 | 1990-04-06 | A controller for an electrical load. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9007846A Withdrawn GB2232835A (en) | 1989-04-07 | 1990-04-06 | A controller for an electrical load. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0466757A1 (de) |
JP (1) | JPH04504496A (de) |
CA (1) | CA2051402A1 (de) |
GB (2) | GB8907918D0 (de) |
WO (1) | WO1990012446A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2688638B1 (fr) * | 1992-03-10 | 1995-02-17 | Sgs Thomson Microelectronics | Procede de commande d'une charge electromecanique par au moins un convertisseur a commutateur(s) a impulsion et dispositif pour sa mise en óoeuvre. |
DE4340769A1 (de) * | 1993-11-30 | 1995-06-01 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung elektrischer Geräte mittels einer Pulsweitenmodulations-Einrichtung |
DE4408442A1 (de) * | 1994-03-12 | 1995-09-14 | Telefunken Microelectron | Schaltungsanordnung zum Regeln der Drehzahl eines elektrischen Motors |
US6144176A (en) * | 1996-10-02 | 2000-11-07 | Lucent Technologies Inc. | Method for reducing acoustic and vibration energy radiated from rotating machines |
EP1216526B1 (de) * | 1999-09-17 | 2008-10-22 | Delphi Technologies, Inc. | Reduzierung von elektromagnetischen störungen durch schaltfrequenzverschiebungen |
EP1134878A1 (de) * | 2000-03-13 | 2001-09-19 | Alstom Belgium S.A. | Verfahren und Gerät zur Reduktion von Oberwellen in Leistungswandlern |
EP1184961A1 (de) * | 2000-08-21 | 2002-03-06 | Motorola, Inc. | Verfahren und Vorrichtung zur Reduzierung von Geräusch in einem Schaltleistungsverwaltungssystem |
JP3718830B2 (ja) * | 2001-02-26 | 2005-11-24 | 株式会社日立製作所 | 電力変換装置 |
DE10209834A1 (de) * | 2001-04-04 | 2002-10-17 | Bosch Gmbh Robert | Verfahren zur Verringerung von Störabstrahlungen bei einem DC/DC-Sperrwandler |
DE10212605B4 (de) * | 2002-03-21 | 2004-09-23 | Infineon Technologies Ag | Verfahren und Vorrichtung zur getakteten Ansteuerung eines Schaltelements |
US6969978B2 (en) * | 2003-03-17 | 2005-11-29 | Rf Micro Devices, Inc. | DC-DC converter with reduced electromagnetic interference |
DE102006004034A1 (de) * | 2006-01-27 | 2007-08-09 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Verfahren zum geberlosen Betrieb einer stromrichtergespeisten, permanenterregten Synchronmaschine mit einem Testsignal |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3525029A (en) * | 1967-01-03 | 1970-08-18 | Gen Electric | Pulse width modulation power switching servo amplifier and mechanism |
DE1964376A1 (de) * | 1969-12-23 | 1971-07-01 | Schubert & Salzer Maschinen | Vorrichtung zum Sanfteinschalten einer elektrischen Last |
US3670235A (en) * | 1970-09-25 | 1972-06-13 | Borg Warner | Motor control system with compensation for low-frequency variations in motor energizing voltage |
BE883739A (fr) * | 1980-06-10 | 1980-10-01 | Organisation Europ De Rech S S | Dispositif pour regler un parametre de fonctionnement d'une installation |
US4465961A (en) * | 1981-06-15 | 1984-08-14 | Zycron Systems, Inc. | Motor control system |
JPS59123478A (ja) * | 1982-12-28 | 1984-07-17 | Toshiba Corp | 電圧形インバ−タの制御装置 |
US4638417A (en) * | 1985-08-16 | 1987-01-20 | Sperry Corporation | Power density spectrum controller |
DK512685A (da) * | 1985-11-07 | 1987-05-08 | Supply Team Aps | Styrekredsloeb |
DE3539558A1 (de) * | 1985-11-07 | 1987-05-21 | Siemens Ag | Verfahren und schaltung zur erzeugung einer taktfrequenz fuer leistungselektronische geraete und maschinen |
GB2190754A (en) * | 1986-04-11 | 1987-11-25 | Hitachi Ltd | Load current detecting device for pulse width modulation inverter |
US4764856A (en) * | 1987-01-23 | 1988-08-16 | U.S. Philips Corporation | Power-supply arrangement |
-
1989
- 1989-04-07 GB GB898907918A patent/GB8907918D0/en active Pending
-
1990
- 1990-04-06 EP EP19900905575 patent/EP0466757A1/de not_active Withdrawn
- 1990-04-06 JP JP50534790A patent/JPH04504496A/ja active Pending
- 1990-04-06 GB GB9007846A patent/GB2232835A/en not_active Withdrawn
- 1990-04-06 CA CA 2051402 patent/CA2051402A1/en not_active Abandoned
- 1990-04-06 WO PCT/GB1990/000520 patent/WO1990012446A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB9007846D0 (en) | 1990-06-06 |
EP0466757A1 (de) | 1992-01-22 |
CA2051402A1 (en) | 1990-10-08 |
WO1990012446A1 (en) | 1990-10-18 |
JPH04504496A (ja) | 1992-08-06 |
GB2232835A (en) | 1990-12-19 |
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