[특허]Method for controlling the rotational speed of a turbine during load shedding

Method for controlling the rotational speed of a turbine during load shedding 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-009/28 F01D-017/00
출원번호	US-0313892 (1999-05-18)
우선권정보	DE-0028601 (1995-08-03)
발명자 / 주소	Jerye Bernhard,DEX Schwope Alfred,DEX
출원인 / 주소	Siemens Aktiengesellschaft, DEX
대리인 / 주소	Lerner
인용정보	피인용 횟수 : 28 인용 특허 : 7

초록 ▼

A control system for controlling the rotational speed of a turbine for producing electrical power and a method for controlling the rotational speed of a turbine during load shedding include a control structure. The control structure can be connected to an actuator, which is used to control the rotational speed, and the control structure is used to control the rotational speed of the turbine during idling and/or insular operation of the turbine. An error signal which is dependent on a difference between a setpoint value and an actual value of the rotational speed, can be supplied to the control structure. During load shedding, the control structure supplies a closing signal to the actuator as a function of the error signal. The control structure combines the function of controlling the rotational speed during idling and/or insular operation of the turbine with the function of avoiding rapid shutdown of the turbine when load shedding occurs.

대표청구항 ▼

[ We claim:] [1.] A method for controlling the rotational speed of a turbine during load shedding, which comprises:providing a control structure including a PI controller having an I controller;supplying an error signal during network operation of the turbine to the control structure for controlling the rotational speed during idling and/or insular operation of the turbine and causing an output signal of the I controller to assume a value zero;setting the error signal to a value zero when load shedding occurs; andsupplying an output signal of the PI controller to an actuator connected to the control structure during load shedding for controlling the rotational speed.

이 특허에 인용된 특허 (7)

Diegel Dieter (Rottenbach DEX) Plohn Gerhard (Erlangen DEX) Schuh ; deceased Manfred (late of Erlangen DEX by Gisela Schuh ; Sabine Schuh ; Michael Schuh ; heirs), Apparatus for controlling a turbo generator.
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Reed Terry J. (North Huntingdon PA) Smith Jack R. (Pittsburgh PA) Kiscaden Roy W. (Springfield PA 4), Combined cycle electric power plant having an improved digital/analog hybrid gas turbine control system.
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Zickwolf ; Jr. Herbert C. (Bozrah CT), Detecting power loss in free turbines.
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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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Rowen William I. (Schenectady NY) Withey David J. (Loveland OH), Integrated boost compressor/gas turbine control.
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Rajamani Ravi, Load rejection rapid acting fuel-air controller for gas turbine.
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Tyler Paul J. (Winter Springs FL), Method and apparatus for downline load rejection sensing in a gas turbine control system.
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이 특허를 인용한 특허 (28)

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Ganev,Evgeni; Koerner,Mike S.; Liu,Chung Y., Turbine speed control system and method.
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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

연합인증

Method for controlling the rotational speed of a turbine during load shedding 원문보기