Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent
1984-10-15
1987-09-01
Smith, Jr., David
Electricity: motive power systems
Induction motor systems
Primary circuit control
318798, 318806, H02P 132, H02P 748, H02P 528
Patent
active
046911553
ABSTRACT:
Method and apparatus for matching the power output of a high slip motor to the demand requirement of a pumpjack unit. The stators of the high slip motor are automatically connected in various different configurations to provide the optimum torque as required by the pumpjack unit due to the downhole pumping conditions. A novel control circuitry is connected between the motor starter and the motor stators. The control measures the power drawn by the stators and selects the most optimum configuration thereof for the load required by the pumpjack. This selection operates the motor in the lowest possible torque mode, which is considered the best electrical and mechanical operation of the pumpjack apparatus.
REFERENCES:
patent: 1778976 (1930-10-01), Hunter
patent: 2130584 (1938-09-01), Hobart
patent: 2203927 (1940-06-01), Rutherford
patent: 2377726 (1945-06-01), Stapleton
patent: 2575716 (1951-11-01), Kilgore
patent: 2709775 (1955-05-01), Del Carlo
patent: 2763825 (1956-09-01), Gibson
patent: 2794161 (1957-05-01), Schaefer
patent: 2850690 (1958-09-01), Rawcliffe
patent: 3005411 (1961-10-01), Metz
patent: 3123005 (1964-03-01), Bredehoff et al.
patent: 3229183 (1966-01-01), Mickle
patent: 3269320 (1966-08-01), Tilly et al.
patent: 3332007 (1967-07-01), Livengood et al.
patent: 3332621 (1967-07-01), Tanner
patent: 3363573 (1968-01-01), Jaeger
patent: 3378755 (1968-04-01), Sawyer
patent: 3413535 (1968-11-01), Hubby
patent: 3440512 (1969-04-01), Hubby
patent: 3509824 (1970-05-01), Schmidly, Jr.
patent: 3526816 (1970-09-01), Pacce et al.
patent: 3624471 (1971-11-01), Japp et al.
patent: 3721866 (1973-03-01), McIntosh
patent: 3851995 (1974-12-01), Mills
patent: 3916257 (1975-10-01), Harper, Jr.
patent: 3930752 (1976-01-01), Douglas
patent: 3935519 (1976-01-01), Pfarrer
patent: 3940668 (1976-02-01), Voldemarovich
patent: 3953777 (1976-04-01), McKee
patent: 3998568 (1976-12-01), Hynd
patent: 4034701 (1977-07-01), Jensen
patent: 4041360 (1977-08-01), Morris
patent: 4042966 (1977-08-01), Newell
patent: 4058757 (1977-11-01), Welton
patent: 4220440 (1980-09-01), Taylor et al.
patent: 4413218 (1983-11-01), Taylor et al.
patent: 4434394 (1984-02-01), Kellog et al.
patent: 4446415 (1985-05-01), Taylor et al.
Taylor Noel R.
Taylor Paul A.
LandOfFree
Automatic load seeking control for a motor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Automatic load seeking control for a motor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic load seeking control for a motor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1266953