GB2009538B - Apparatus for controlling the speed and torque of a pumpjack motor - Google Patents

Apparatus for controlling the speed and torque of a pumpjack motor

Info

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
Application number
GB7843064A
Other versions
GB2009538A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB2009538A publication Critical patent/GB2009538A/en
Application granted granted Critical
Publication of GB2009538B publication Critical patent/GB2009538B/en
Expired legal-status Critical Current

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)
GB7843064A 1977-11-23 1978-11-02 Apparatus for controlling the speed and torque of a pumpjack motor Expired GB2009538B (en)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
MX145797A (en) 1982-04-02
GB2009538A (en) 1979-06-13
CA1111949A (en) 1981-11-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee