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System and method for variable drive pump control

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02P-007/00
출원번호 US-0542032 (2000-04-03)
발명자 / 주소
  • Alvin J. Watson
대리인 / 주소
    Boyle Fredrickson Newholm Stein & Gratz S.C.
인용정보 피인용 횟수 : 56  인용 특허 : 7

초록

A pump control system and method employs a variable drive for controlling the speed of an AC electric motor driving a cyclic load. A real-time tuning of the frequency and voltage of the AC input to the motor allows a controlled variation of a cycle speed of the cyclic load. The control system and me

대표청구항

1. A system for controlling the speed of an AC electric motor connected to a cyclical load, the system comprising:a signal conversion circuit to convert an AC electric signal to a DC electric signal; a signal measurement circuit sampling the DC electrical signal and deriving a DC electric characteri

이 특허에 인용된 특허 (7)

  1. Plunkett Allan Barr (Erie PA), Adjustable speed A-C motor drive with smooth transition between operational modes and with reduced harmonic distortion.
  2. Lipo Thomas A. (Madison WI) Moreira Julio C. (Madison WI), Air gap flux measurement using stator third harmonic voltage and uses.
  3. Horie Akira (Katsuta JPX) Jimbo Yoshiji (Katsuta JPX) Abe Kingo (Katsuta JPX) Choo Jinkoo (Kashiwa JPX) Amikura Seiki (Katsuta JPX) Tsuzuki Yozo (Katsuta JPX), Control apparatus for an induction motor.
  4. Izumisawa Katsuyuki,JPX ; Obara Sanshiro,JPX ; Mitsui Toshisada,JPX, Control apparatus for permanent magnet electric motor used in electric motor vehicle.
  5. Matsuo Keisuke,JPX ; Inaji Toshio,JPX, Motor speed control apparatus using phase-advance based estimated disturbance signal.
  6. Earle Kent L. (Woodbridge IL), Variable speed induction motor control system.
  7. Werner John W. (Lubbock TX), Well pump control system.

이 특허를 인용한 특허 (56)

  1. Carralero, Michael A.; Quiambao, Jimmy M.; Peck, James L., Adaptable high efficiency power inverter system.
  2. Soares, Claudio Eduardo; Lilie, Dietmar Erich Bernhard; Andrich, Roberto; Von Dokonal, Luiz, Anticipatory control system for electric motor and anticipatory control method for electric motor applied to cyclic loads.
  3. Teuscher, Scott, Automatic pool cleaner traction correction.
  4. Chu,Hui Yen, Ceiling fan motor control module.
  5. Wentworth, Lloyd; Lamascus, Craig, Control device, oil well with device and method.
  6. Lesanko, Michael; Tilby, Lorne, Controller for use with a reciprocating electric submersible pump.
  7. Ueda,Nobumasa, Device and method for driving electric actuator.
  8. Boehringer, Christa; Schmidt, Ralph, Device and method for generating a partially synthesized signal with very good dynamic quality for the acceleration of a rotor in an electrical drive mechanism.
  9. Modolo, Ivan, Device and method for managing the electric braking of a vehicle.
  10. Scarlet, Jeremy Adam; Sidey, Roger, Downhole compressor system with a feedback sensor.
  11. Goto, Naomi; Yoshida, Makoto, Electric circuit of electric vehicle.
  12. Haynes, Howard D.; Cox, Daryl F.; Welch, Donald E., Electric fuel pump condition monitor system using electrical signature analysis.
  13. Case, Leonard R.; Hagan, Ed B.; Stegemoeller, Calvin L.; Hyden, Ron, Electric or natural gas fired small footprint fracturing fluid blending and pumping equipment.
  14. Scharfenberg, Robert E., Electronic fuel pump.
  15. Lumsden, John L.; Kelley, Paul H.; Venkataraman, Vasan, Energy saving system and method for devices with rotating or reciprocating masses.
  16. Lumsden, John L.; Kelley, Paul H.; Venkataraman, Vasan, Energy saving system and method for devices with rotating or reciprocating masses.
  17. Lumsden, John L.; Kelley, Paul H.; Venkataraman, Vasan, Energy saving system and method for devices with rotating or reciprocating masses.
  18. Lumsden, John L.; Kelley, Paul H.; Venkataraman, Vasan, Energy saving system and method for devices with rotating or reciprocating masses.
  19. Lumsden, John L, IGBT/FET-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation.
  20. Lumsden, John L., IGBT/FET-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation.
  21. Barnes,Mark; Bergmann,John C.; Booth,Ken G.; Paine,Alan, Integrated control system for beam pump systems.
  22. Matsushiro, Hideo; Kawaji, Mitsuo; Sugimoto, Tomohiro, Inverter control device for driving a motor and an air conditioner.
  23. Kawaji, Mitsuo; Matsushiro, Hideo; Sugimoto, Tomohiro, Inverter controller for driving motor and air conditioner using inverter controller.
  24. Kawaji,Mitsuo; Matsushiro,Hideo; Sugimoto,Tomohiro, Inverter controller for driving motor and air conditioner using inverter controller.
  25. Matsushiro, Hideo; Sugimoto, Tomohiro; Kawaji, Mitsuo, Inverter controller for driving motor, and air conditioner.
  26. Kubo,Mamoru; Nojima,Kenji, Inverter device.
  27. Nadeau, Sylvain, Limited-pool random frequency for DC brush motor low frequency PWM speed control.
  28. Fan, Hua, Method and system of phase identification.
  29. Kidd, Howard Keith, Method for controlling the motor of a pump involving the determination and synchronization of the point of maximum torque with a table of values used to efficiently drive the motor.
  30. Dirsch,Bernhard; Tr철ndle,Hans Peter, Method for enhancing the control response of a drive train having backlash and/or elasticity of a machine tool or production machine.
  31. Boyer, Lemoyne; Dorado, Doneil M., Method for mitigating rod float in rod pumped wells.
  32. Iura, Hideaki; Hiramatsu, Kazuhiko; Sawamura, Mitsujiro, Method of decelerating alternating current motor and inverter apparatus.
  33. Venkataraman, Vasan, Method to save energy for devices with rotating or reciprocating masses.
  34. Washino, Seiichiro; Kamiya, Masaru; Sakai, Koji; Semura, Junichi, Motor control apparatus.
  35. Kelley, Paul H., Motor controller system and method for maximizing energy savings.
  36. Bruzy, Christophe; Richardot, Philippe, Optimized control of flap actuator of a motor-vehicle air-conditioning installation.
  37. Swamy,Mahesh M.; Geoffrey,Brian; Yukihira,Yoshiaki; Rucinski,Mike, Overvoltage suppression technique for variable frequency drives operating reciprocating loads.
  38. Nojima, Geraldo; Askeland, Audun Magne, Partitioned motor drive apparatus for subsea applications.
  39. Maeda, Toshiyuki; Taniguchi, Tomoisa, Phase current detection method, inverter control method, motor control method and apparatus for carrying out these methods.
  40. Maeda,Toshiyuki; Taniguchi,Tomoisa, Phase current detection method, inverter control method, motor control method and apparatus for carrying out these methods.
  41. Maeda,Toshiyuki; Taniguchi,Tomoisa, Phase current detection method, inverter control method, motor control method, and apparatuses used in these methods.
  42. Hernandez Marti, Ramon; Parry, John; Rendusara, Dudi, Power control for electrical applications over long cables.
  43. Peterson,Ronald G., Power variation control system for cyclic loads.
  44. Dahl, Soren Risgaard; Nielsen, Bo Vork; Olsson, Henrik; Schroder, Lars, Preconditioned air unit with self-contained cooling modules.
  45. Dahl, Soren Risgaard; Nielsen, Bo Vork; Olsson, Henrik; Schroder, Lars, Preconditioned air unit with variable frequency driving.
  46. Wentworth, Lloyd; Lamascus, Craig, Pump control device, oil well with device and method.
  47. Tsuruta, Tatsumi; Yamamoto, Yoichi; Kawamoto, Koji; Kawano, Tetsuo, Pump jack pump-off control method and pump jack control apparatus.
  48. Phillips, David L.; Meza, Humberto V.; Tran, Derrick T., Pump using multi voltage electronics with run dry and over current protection.
  49. Phillips, David L.; Meza, Humberto V.; Tran, Derrick T., Pump using multi voltage electronics with run dry and over current protection.
  50. Philippe, Laurent Marc; Wilder, Anthony John, Pumping system.
  51. Krug, David A.; Nelsen, Stanley D.; Allison, J. Dennis, Regenerative hydraulic lift system.
  52. Lumsden, John L., System and method for providing constant loading in AC power applications.
  53. Venkataraman, Vasan, System and method for saving energy when driving masses having periodic load variations.
  54. Lumsden, John L., System and method to boost voltage.
  55. Guey, Zen-Jey; Chang, Yun-Yuan, Torsional resonance frequency measuring device and method.
  56. Peterson, Gregory A.; Sullivan, Michael P.; Morgan, Donald E.; Clark, Bret S., Variable motor drive system for a reservoir with circulating fluid.
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