GB2187052B - Electric motor arrangements - Google Patents
Electric motor arrangementsInfo
- Publication number
- GB2187052B GB2187052B GB8702555A GB8702555A GB2187052B GB 2187052 B GB2187052 B GB 2187052B GB 8702555 A GB8702555 A GB 8702555A GB 8702555 A GB8702555 A GB 8702555A GB 2187052 B GB2187052 B GB 2187052B
- Authority
- GB
- United Kingdom
- Prior art keywords
- electric motor
- motor arrangements
- arrangements
- electric
- motor
- 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.)
- Expired - Fee Related
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
- H02P27/05—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 AC supply for both the rotor and the stator circuits, the frequency of supply to at least one circuit being variable
-
- 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
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/24—Variable impedance in stator or rotor circuit
- H02P25/26—Variable impedance in stator or rotor circuit with arrangements for controlling secondary impedance
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 |
---|---|---|---|
GB868604079A GB8604079D0 (en) | 1986-02-19 | 1986-02-19 | Electric motor arrangements |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8702555D0 GB8702555D0 (en) | 1987-03-11 |
GB2187052A GB2187052A (en) | 1987-08-26 |
GB2187052B true GB2187052B (en) | 1990-03-07 |
Family
ID=10593316
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB868604079A Pending GB8604079D0 (en) | 1986-02-19 | 1986-02-19 | Electric motor arrangements |
GB8702555A Expired - Fee Related GB2187052B (en) | 1986-02-19 | 1987-02-05 | Electric motor arrangements |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB868604079A Pending GB8604079D0 (en) | 1986-02-19 | 1986-02-19 | Electric motor arrangements |
Country Status (2)
Country | Link |
---|---|
GB (2) | GB8604079D0 (en) |
ZA (1) | ZA871102B (en) |
-
1986
- 1986-02-19 GB GB868604079A patent/GB8604079D0/en active Pending
-
1987
- 1987-02-05 GB GB8702555A patent/GB2187052B/en not_active Expired - Fee Related
- 1987-02-16 ZA ZA871102A patent/ZA871102B/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB8702555D0 (en) | 1987-03-11 |
GB8604079D0 (en) | 1986-03-26 |
ZA871102B (en) | 1987-09-30 |
GB2187052A (en) | 1987-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |