NO141874C - SPEED CONTROL DEVICE AND TURNING DIRECTION FOR A THREE-PHASE SYNCHRON MOTOR - Google Patents
SPEED CONTROL DEVICE AND TURNING DIRECTION FOR A THREE-PHASE SYNCHRON MOTORInfo
- Publication number
- NO141874C NO141874C NO780194A NO780194A NO141874C NO 141874 C NO141874 C NO 141874C NO 780194 A NO780194 A NO 780194A NO 780194 A NO780194 A NO 780194A NO 141874 C NO141874 C NO 141874C
- Authority
- NO
- Norway
- Prior art keywords
- phase
- control device
- speed control
- turning direction
- synchron
- Prior art date
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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
- Motor And Converter Starters (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2703309A DE2703309C2 (en) | 1977-01-27 | 1977-01-27 | Arrangement for controlling the speed and direction of rotation of a three-phase asynchronous motor |
Publications (3)
Publication Number | Publication Date |
---|---|
NO780194L NO780194L (en) | 1978-07-28 |
NO141874B NO141874B (en) | 1980-02-11 |
NO141874C true NO141874C (en) | 1980-05-21 |
Family
ID=5999682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO780194A NO141874C (en) | 1977-01-27 | 1978-01-19 | SPEED CONTROL DEVICE AND TURNING DIRECTION FOR A THREE-PHASE SYNCHRON MOTOR |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5393320A (en) |
AU (1) | AU519621B2 (en) |
CH (1) | CH622137A5 (en) |
DE (1) | DE2703309C2 (en) |
DK (1) | DK580377A (en) |
FR (1) | FR2379191A1 (en) |
GB (1) | GB1590241A (en) |
NO (1) | NO141874C (en) |
SE (1) | SE426003B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4300077A (en) * | 1979-12-17 | 1981-11-10 | Astro Dynamics, Inc. | Trans-synchronous motor apparatus and method |
JPH0773426B2 (en) * | 1984-11-09 | 1995-08-02 | 株式会社東芝 | Power converter control device |
DE4013967A1 (en) * | 1990-04-30 | 1991-11-07 | Retronic Prozess Systemtechnik | CIRCUIT ARRANGEMENT FOR AN ASYNCHRONOUS MOTOR |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK130099B (en) * | 1968-03-16 | 1974-12-16 | Danfoss As | Control circuit for an AC motor. |
US3691439A (en) * | 1971-01-28 | 1972-09-12 | Danfoss As | Control arrangement for a three phase motor with intermediate d.c. regulation |
US3670224A (en) * | 1971-02-18 | 1972-06-13 | Danfoss As | Speed and voltage control means for an alternating-current motor, particularly a polyphase induction motor |
-
1977
- 1977-01-27 DE DE2703309A patent/DE2703309C2/en not_active Expired
- 1977-12-27 DK DK580377A patent/DK580377A/en not_active Application Discontinuation
- 1977-12-28 CH CH1623577A patent/CH622137A5/en not_active IP Right Cessation
-
1978
- 1978-01-17 GB GB1806/78A patent/GB1590241A/en not_active Expired
- 1978-01-19 NO NO780194A patent/NO141874C/en unknown
- 1978-01-26 FR FR7802187A patent/FR2379191A1/en active Granted
- 1978-01-26 AU AU32766/78A patent/AU519621B2/en not_active Expired
- 1978-01-26 SE SE7800956A patent/SE426003B/en not_active IP Right Cessation
- 1978-01-26 JP JP780878A patent/JPS5393320A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DK580377A (en) | 1978-07-28 |
JPS5393320A (en) | 1978-08-16 |
DE2703309B1 (en) | 1978-07-20 |
AU3276678A (en) | 1979-08-02 |
CH622137A5 (en) | 1981-03-13 |
FR2379191B1 (en) | 1984-07-13 |
FR2379191A1 (en) | 1978-08-25 |
DE2703309C2 (en) | 1979-03-22 |
SE426003B (en) | 1982-11-29 |
SE7800956L (en) | 1978-07-28 |
NO141874B (en) | 1980-02-11 |
NO780194L (en) | 1978-07-28 |
AU519621B2 (en) | 1981-12-17 |
JPS567400B2 (en) | 1981-02-17 |
GB1590241A (en) | 1981-05-28 |
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