DK130099C - - Google Patents
Info
- Publication number
- DK130099C DK130099C DK104869A DK104869A DK130099C DK 130099 C DK130099 C DK 130099C DK 104869 A DK104869 A DK 104869A DK 104869 A DK104869 A DK 104869A DK 130099 C DK130099 C DK 130099C
- Authority
- DK
- Denmark
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
- 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 Ac Motors In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1613775 | 1968-03-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK130099B DK130099B (da) | 1974-12-16 |
DK130099C true DK130099C (da) | 1975-06-02 |
Family
ID=5681902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK104869A DK130099B (da) | 1968-03-16 | 1969-02-26 | Styrekredsløb for en vekselstrømsmotor. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3700989A (da) |
JP (1) | JPS4921847B1 (da) |
CA (1) | CA934817A (da) |
DK (1) | DK130099B (da) |
FR (1) | FR2004060A1 (da) |
GB (1) | GB1255225A (da) |
SE (1) | SE357861C (da) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863122A (en) * | 1970-10-20 | 1975-01-28 | Litton Industrial Products | Control means for controlling the output condition of an alternating current induction motor |
US3863121A (en) * | 1970-10-20 | 1975-01-28 | Litton Industrial Products | Means for controlling the output condition of an induction motor |
US3962614A (en) * | 1973-03-02 | 1976-06-08 | Litton Industrial Products, Inc. | Method for controlling the output condition of a self excited alternating current induction motor |
USRE29275E (en) * | 1973-04-25 | 1977-06-21 | Motor control system | |
US3849709A (en) * | 1973-04-25 | 1974-11-19 | Beeman H | Motor control system |
US4024444A (en) * | 1975-07-14 | 1977-05-17 | Vapor Corporation | Drive circuit for induction motor used in air conditioning system of a railway vehicle |
US4051418A (en) * | 1975-11-03 | 1977-09-27 | Berto Gerald N O | Three phase a.c. motor drive system |
DE2703309C2 (de) * | 1977-01-27 | 1979-03-22 | Danfoss A/S, Nordborg (Daenemark) | Anordnung zur Steuerung der Drehzahl und der Drehrichtung eines Dreiphasen-Asynchronmotors |
US4145647A (en) * | 1978-02-23 | 1979-03-20 | Danfoss A/S | Arrangement for controlling the speed and rotary direction of a three-phase asynchronous motor |
EP0082828B1 (en) * | 1981-12-18 | 1987-02-04 | Institut Cerac S.A. | Washing machine |
JPS58159380U (ja) * | 1982-04-19 | 1983-10-24 | 株式会社大林組 | 連結式窓戸開口部開閉装置 |
JPS58161083U (ja) * | 1982-04-23 | 1983-10-26 | 小俣シヤツタ−工業株式会社 | 建築物の窓戸前面開閉装置 |
FR2561047A1 (fr) * | 1984-03-06 | 1985-09-13 | Artus | Circuit electronique de commande pour moteur electrique a courant continu sans balais |
GB2186133B (en) * | 1985-12-27 | 1989-11-15 | Mitsubishi Electric Corp | Inverter |
US7831832B2 (en) * | 2004-01-06 | 2010-11-09 | Microsoft Corporation | Digital goods representation based upon matrix invariances |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3402336A (en) * | 1965-10-13 | 1968-09-17 | Cutler Hammer Inc | Adjustable frequency a.c. motor control system with low speed compensation |
-
1969
- 1969-02-26 DK DK104869A patent/DK130099B/da unknown
- 1969-03-06 CA CA044849A patent/CA934817A/en not_active Expired
- 1969-03-13 GB GB1331669A patent/GB1255225A/en not_active Expired
- 1969-03-14 SE SE357069A patent/SE357861C/xx unknown
- 1969-03-14 FR FR6907304A patent/FR2004060A1/fr not_active Withdrawn
- 1969-03-17 JP JP1999269A patent/JPS4921847B1/ja active Pending
-
1971
- 1971-03-31 US US3700989D patent/US3700989A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS4921847B1 (da) | 1974-06-04 |
CA934817A (en) | 1973-10-02 |
SE357861B (da) | 1973-07-09 |
FR2004060A1 (da) | 1969-11-21 |
GB1255225A (en) | 1971-12-01 |
US3700989A (en) | 1972-10-24 |
SE357861C (sv) | 1976-12-20 |
DK130099B (da) | 1974-12-16 |