GB2009538B - Apparatus for controlling the speed and torque of a pumpjack motor - Google Patents
Apparatus for controlling the speed and torque of a pumpjack motorInfo
- Publication number
- GB2009538B GB2009538B GB7843064A GB7843064A GB2009538B GB 2009538 B GB2009538 B GB 2009538B GB 7843064 A GB7843064 A GB 7843064A GB 7843064 A GB7843064 A GB 7843064A GB 2009538 B GB2009538 B GB 2009538B
- Authority
- GB
- United Kingdom
- Prior art keywords
- torque
- controlling
- speed
- pumpjack motor
- pumpjack
- 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
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
- 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
- H02P25/18—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 with arrangements for switching the windings, e.g. with mechanical switches or relays
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Motor And Converter Starters (AREA)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85438977A | 1977-11-23 | 1977-11-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2009538A GB2009538A (en) | 1979-06-13 |
GB2009538B true GB2009538B (en) | 1982-09-02 |
Family
ID=25318563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7843064A Expired GB2009538B (en) | 1977-11-23 | 1978-11-02 | Apparatus for controlling the speed and torque of a pumpjack motor |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1111949A (en) |
GB (1) | GB2009538B (en) |
MX (1) | MX145797A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2071938B (en) * | 1980-03-13 | 1984-01-04 | Borg Warner | Control system for ac induction motors |
US4370605A (en) * | 1980-09-02 | 1983-01-25 | Westinghouse Electric Corp. | Two-speed motor control |
FR2490037A1 (en) * | 1980-09-10 | 1982-03-12 | Lbm Presses | Electrically operated moulding press - has motor windings connected in star and triangle pattern during operating cycle to provide higher approach speed and greater force at low s |
US6566841B2 (en) | 2001-02-08 | 2003-05-20 | Scroll Technologies | Scroll compressor having multiple motor performance characteristics |
CN109989730B (en) * | 2019-03-15 | 2023-07-28 | 陈继军 | Efficient electricity-saving pumping unit system for oil field |
-
1978
- 1978-11-02 GB GB7843064A patent/GB2009538B/en not_active Expired
- 1978-11-22 MX MX17570278A patent/MX145797A/en unknown
- 1978-11-22 CA CA316,695A patent/CA1111949A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1111949A (en) | 1981-11-03 |
MX145797A (en) | 1982-04-02 |
GB2009538A (en) | 1979-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |