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특허 상세정보

Prime mover for operating an electric motor

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02P-007/00   
미국특허분류(USC) 318/801 ; 318/811 ; 318/732 ; 318/798 ; 600/608 ; 290/052
출원번호 US-0221205 (1998-12-23)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Starr
인용정보 피인용 횟수 : 30  인용 특허 : 15
초록

A prime mover such as a microturbine generator is operated to generate dc power, and an inverter is controlled to convert the dc power to ac power. The ac power is supplied to an electric motor. The frequency of the ac power is ramped up during motor startup to reduce motor inrush current. The frequency or current of the ac power may be varied in response to process requirements during normal operation of the motor.

대표
청구항

[ What is claimed is:] [1.] A system comprising:an electric motor;a prime mover for generating dc electrical power;an inverter for converting the dc power to ac power, the ac power being supplied to the electric motor during motor operation; anda controller for controlling the inverter to ramp up current of the ac power and ramp up frequency of the ac power during startup of the electric motor, the frequency being ramped up after the current has been ramped up, the current and the frequency being ramped up to reduce motor inrush current.

이 특허에 인용된 특허 (15)

  1. Kawamura Hideo (Samukawa JPX). Drive system for turbocharger with rotary electric machine. USP1995045406797.
  2. Stewart Charles F. (P.O. Box 7166 Huntington Beach CA 92615) Stewart Jack K. (P.O. Box 2281 Deming NM 88030). Electro-mechanical propulsion system. USP1984044444285.
  3. Birch Peter H. (Horsham GBX) Ikeyama Takeshi (Brighton GBX) Wearing Anthony D. (Brighton GBX) Norton Mark G. (Hove GBX). Gas turbine engine driven auxiliary electric power unit with turbine speed controlled in response to generator output cu. USP1997065635768.
  4. Donnelly Frank W. (UK Building ; Suite 810 ; 409 Granville Sreet Vancouver ; British Columbia V6C 1T2 CAX). Gas turbine locomotive fueled by compressed natural Gas. USP1992075129328.
  5. Rumford Kimball J. (Fairfield CT) Hudson George (Great Barrington MA). Gas turbine motor drive. USP1993025184456.
  6. Bruckner Adam P. (Seattle WA) Hertzberg Abraham (Bellevue WA) Shaw David J. (Seattle WA). Heat transfer and storage system. USP1988034727930.
  7. Vogel Richard H. (228 Fletcher Rd. North Kingstown RI 02852). High efficiency energy conversion system. USP1996075537823.
  8. Bansal Madan ; Rozman Gregory I. ; Thollot Pierre. Induction electrical power generating system with variable numbers of poles and excitation frequency. USP1998075777459.
  9. Baits Paul (Rockford IL). Low frequency feeder fault protection. USP1991065023537.
  10. Levran Alexander ; Nowosielski Joseph Marion ; Ton-That Giao Mong ; Rajagopalan Ramamoorthy ; Mabboux Henri,FRX ; Mazur David. Power conversion and distribution system. USP1999115982645.
  11. Latos Thomas S. (Huntley IL) Hernden Michael R. (Rockford IL). Starter/generator system having multivoltage generation capability. USP1996045512811.
  12. Rozman Gregory I. (Rockford IL) Markunas Albert L. (Roscoe IL) Cook Alexander (Belvidere IL) Nguyen Vietson (Rockford IL). Starter/generator system with DC link current control. USP1996125581168.
  13. Geis Everett R. ; Peticolas Brian W.. Turbogenerator/motor controller. USP1999055903116.
  14. Geis Everett R. ; Peticolas Brian W. ; Wacknov Joel B.. Turbogenerator/motor controller with ancillary energy storage/discharge. USP2000026031294.
  15. Geis Everett R. ; Peticolas Brian W. ; Wacknov Joel B.. Turbogenerator/motor pulse width modulated controller. USP2000026020713.

이 특허를 인용한 특허 피인용횟수: 30

  1. Delmerico, Robert; Sinha, Gautam; Liu, Yan. Distributed resource (DR) stabilization control for microgrid applications. USP2004116819087.
  2. Fisher, Gary Randolph. Dynamic reef surge generation. USP2009047518333.
  3. Benson, Christopher Pete; Cameron, Douglas C.; Zeng, Peng. Electric motor frequency modulation system. USP2016049318991.
  4. Benson, Christopher Pete; Zeng, Peng; Cameron, Douglas C.. Electric motor signature reduction system. USP2016129520816.
  5. Gupta,Suresh C.; Burnham,Douglas R.; Teets,J. Michael; Teets,Jon W.. Electrical system for turbine/alternator on common shaft. USP2006016989610.
  6. Edelman, Edward C.; Wacknov, Joel; Budzyn, Brian J.. Foil bearing rotary flow compressor with control valve. USP2004066751941.
  7. Edwards, Andrew J.; Pifer, John S.. Gas delivery system. USP2011087997081.
  8. McKelvey,Terence; Marui,Eishi; Miyamoto,Masahiro; Kataoka,Tadashi; Furuya,Tai. Gas turbine apparatus and a starting method thereof. USP2006027000405.
  9. Willis, Jeffrey W.; Berner, Paul; Pont, Guillermo; Wacknov, Joel. Integrated turbine power generation system with catalytic reactor. USP2005116960840.
  10. Fink, Joseph M.; Wright, Richard M.. Method and apparatus for removing liquid from a gas producing well. USP2018019856728.
  11. Fink, Joseph; Wright, Richard Michael. Method and apparatus for removing liquid from a gas producing well. USP2016069376895.
  12. Gilbreth, Mark; Wacknov, Joel; Wall, Simon. Method and system for control of turbogenerator power and temperature. USP2005036870279.
  13. Fink, Joseph M.. Methods and apparatus for removing liquid from a gas producing well. USP2016069359876.
  14. Huggett Colin E. ; Lewis David C.. Parallel operation of multiple generators. USP2001106297977.
  15. Ritchey, Jonathan. Polyphasic multi-coil electric device. USP2012018106563.
  16. Ritchey, Jonathan Gale. Polyphasic multi-coil electric device. USP2017069685827.
  17. Ritchey, Jonathan Gale. Polyphasic multi-coil electric device. USP2012078212445.
  18. Ritchey, Jonathan Gale. Polyphasic multi-coil electric device. USP2013128614529.
  19. Ritchey, Jonathan. Polyphasic multi-coil generator. USP2017029584056.
  20. Mark Gilbreth ; Joel Wacknov ; Simon Wall. Power controller. USP2002116487096.
  21. Claude, Khalizadeh; Joel, Wacknov. Power generation system having transient ride-through/load-leveling capabilities. USP2004096787933.
  22. Halsey, David G.; Romenesko, Charles J.. Power turbine speed control using electrical load following. USP2009117615881.
  23. Wood,Nigel Charles. Pumping arrangement. USP2008127467927.
  24. Gautam Sinha. Starting system and method for a microturbine power generation unit. USP2002086437535.
  25. Liu,Yan; Garces,Luis Jose. Systems and methods for an integrated electrical sub-system powered by wind energy. USP2008067391126.
  26. Chai, Huazhen; White, Adam M.; Kheraluwala, Mustansir. Thermal stress reduction in aircraft motor controllers. USP2016099435263.
  27. Chai, Huazhen; White, Adam M.; Kheraluwala, Mustansir. Thermal stress reduction in aircraft motor controllers. USP2016099435264.
  28. Gilbreth, Mark; Wacknov, Joel; Wall, Simon; Edelman, Ed. Transient turbine exhaust temperature control for a turbogenerator. USP2003096612112.
  29. Wall, Simon; Dickey, Brian; Pont, Guillermo. Turbogenerator with electrical brake. USP2004086784565.
  30. Geis, Everett R.; Peticolas, Brian W.. Turbogenerator/motor controller. USP200905RE40713.