[특허]Dual-purpose converter/startup circuit for a microturbine power generating system

Dual-purpose converter/startup circuit for a microturbine power generating system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-015/10 F02C-006/00
출원번호	US-0994214 (1997-12-19)
발명자 / 주소	McConnell Bob Nims Bob
출원인 / 주소	AlliedSignal Inc.
대리인 / 주소	Starr
인용정보	피인용 횟수 : 17 인용 특허 : 11

초록 ▼

A microturbine power generation system includes an electric generator, a rectifier for rectifying an output of the electric generator, and an inverter for up-chopping an output of the rectifier. The inverter can also be controlled to provide an excitation current to windings of the electric generator. The excitation current causes the electric generator to operate as a motor. The electric generator can be operated as a starter motor for the system.

대표청구항 ▼

[ What is claimed is:] [1.] A microturbine power generating system comprising:(a) a turbine for converting gaseous heat energy into mechanical energy;(b) an electric generator including a permanent magnet rotor and stator windings, said stator windings including an electrical output, said rotor being driven by said mechanical energy from said turbine;(c) a rectifier coupled to said electrical output of the stator windings;(d) a source of dc power;(e) an inverter coupled to both said rectifier and said source, said inverter operable in both a startup mode and a conversion mode, said inverter chopping dc power from said source to apply an excitation current to said stator windings during said startup mode, said inverter converting dc power from said rectifier to ac power having a selected frequency during said conversion mode; and(f) a circuit coupled to said inverter for controlling said inverter to perform sensorless startup of said generator during said startup mode.

이 특허에 인용된 특허 (11)

King Robert D. (Schenectady NY), Combined electric starter and alternator system using a permanent magnet synchronous machine.
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Kawamura Hideo (Samukawa JPX), Drive system for turbocharger with rotary electric machine.
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McCarty William L. (West Chester FL) Wescott Kermit R. (Winter Springs FL), Gas turbine control system having maximum instantaneous load-pickup limiter.
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Rozman Gregory I. (Rockford IL) Glennon Timothy F. (Rockford IL) Cook Alexander (Rockford IL), Low voltage aircraft engine starting system.
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Rozman Gregory I. (Rockford IL) Markunas Albert L. (Roscoe IL) Hanson Michael J. (Loves Park IL) Weber Leland E. (Rockford IL), Method and apparatus for starting a synchronous machine.
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Rozman Gregory I. (Rockford IL) Markunas Albert L. (Roscoe IL) Hanson Michael J. (Loves Park IL) Weber Leland E. (Rockford IL), Position-and-velocity sensorless control for starter generator electrical system using generator back-EMF voltage.
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Cook Alexander (Rockford IL) Reynolds Richard W. (Rockford IL), Power generating system.
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Mackay Robin (Rancho Palos Verdes CA), Power generating system.
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Glennon Timothy F. (Rockford IL) Reynolds Richard W. (Rockford IL) Flygare Wayne A. (Rockford IL) Baits Paul (Rockford IL) Wambu Ogbonna C. (Rockford IL), Starting/generating system.
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Geis Everett R. ; Peticolas Brian W., Turbogenerator/motor controller.
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Cronin Michael J. (Sherman Oaks CA), Variable-speed drive for control of induction generators.
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이 특허를 인용한 특허 (17)

McConnell, Robert W.; Trimble, Daniel W.; Lewis, David C., Automatic mode transitions for microturbine generating systems.
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Roberts, Gail; Keene, Philip; Lowe, David; Hunt, James; Pinkerton, Joseph F.; Clifton, David B., Integrated continuous power system assemblies having multiple nozzle block segments.
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Willis, Jeffrey W.; Berner, Paul; Pont, Guillermo; Wacknov, Joel, Integrated turbine power generation system with catalytic reactor.
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McMullen, Patrick T., Line interactive power quality system.
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Gilbreth, Mark; Wacknov, Joel; Wall, Simon, Method and system for control of turbogenerator power and temperature.
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Sinha Gautam ; Ryan Michael John ; Garces Luis Jose, Microturbine based power generation system and method.
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Ebrahim,Mohammed; Lakov,German; Oliver,Sunit, Microturbine engine system.
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Ebrahim,Mohammed; Lakov,German; Oliver,Sunit, Microturbine engine system having stand-alone and grid-parallel operating modes.
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Mark Gilbreth ; Joel Wacknov ; Simon Wall, Power controller.
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Claude, Khalizadeh; Joel, Wacknov, Power generation system having transient ride-through/load-leveling capabilities.
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Nguyen,Cuong V.; Trimble,Daniel W.; McConnell,Robert W., Robust power distribution systems and methods.
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Gautam Sinha, Starting system and method for a microturbine power generation unit.
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McConnell, Robert W., Systems and methods for managing a battery source associated with a microturbine power generating system.
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Gilbreth, Mark; Wacknov, Joel; Wall, Simon; Edelman, Ed, Transient turbine exhaust temperature control for a turbogenerator.
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Cardenas, Jr., Manuel M., Turbine power generation systems and methods using off-gas fuels.
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Wall, Simon; Dickey, Brian; Pont, Guillermo, Turbogenerator with electrical brake.
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Geis, Everett R.; Peticolas, Brian W., Turbogenerator/motor controller.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Dual-purpose converter/startup circuit for a microturbine power generating system 원문보기