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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||235/15121 ; 290/2 ; 290/40R ; 60/3918 ; B|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 23 인용 특허 : 0|
A combined cycle electric power plant includes two gas turbines, a steam turbine, and a digital control system with an analog or manual backup. Each of the gas turbines has an exhaust heat recovery steam generator connected to a common header from which the steam is supplied by one or both of the steam generators for operating the steam turbine. Both the digital and the analog systems provide a digital input to an interface for controlling the steam turbine valves. The analog system is controlled to operate a respective valve by an input to its interface...
A combined cycle electric power plant comprising at lest one gas turbine, means for generating steam in response to heat energy from the gas turbine, a steam turbine driven by steam supplied to it from the steam generating means, means for generating electric power under the driving power of the turbine, a plurality of valve means to control the admission of steam to the turbines, a digital computer and an analog control system for operating the valve means, said digital system including means to generate repetitive output pulses in response to input vol...