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특허 상세정보

Turbogenerator power control system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01D-015/10   
미국특허분류(USC) 290/052 ; 417/053 ; 417/044.1 ; 290/046 ; 704/041 ; 318/723 ; 318/801
출원번호 US-0181213 (1998-10-27)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Irell & Manella, LLP
인용정보 피인용 횟수 : 64  인용 특허 : 13
초록

A power control system for a turbogenerator which provides electrical power to pump-jack oil well. When the induction motor of a pump-jack is powered by three-phase utility power, the speed of the shaft varies only slightly over the pumping cycle but the utility power requirements can vary by four times the average pumping power. This variation makes it impractical to power a pump-jack oil well with a stand-alone turbogenerator controlled by a conventional power control system. This control system comprises a turbogenerator inverter, a load inverter, and...

대표
청구항

[ What we claim is:] [52.]52. A method to reduce variations in the power level provided to a cyclic motion machine having cyclically varying power requirements, comprising:connecting an induction motor to the cyclic motion machine to drive the machine;connecting a load inverter to the motor to provide power to the motor; andconnecting a controller to the load inverter to control the power provided to the motor by varying the load inverter frequency, the controller varying the load inverter frequency over each machine cycle to reduce variations in the pow...

이 특허에 인용된 특허 (13)

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