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Field experience with retrofit digital control for gas turbines

Journal Article · · Diesel and Gas Turbine Worldwide
OSTI ID:102867
Continental Controls has installed a new digital control system on one of the gas turbines, and this has been operating successfully since the begining of 1995. This installatin also includes the replacement of the old gas fuel valves with Continental`s new closed-loop servovalve, which consists of a throttling orifice in series with an orifice meter. The throttling orifice is powered from the fuel gas supply pressure and controlled by an imbedded microprocessor. The control is very application-specific here and only provides what is needed to operate the two-shaft gas turbines safely and efficiently. A redundant analog safety shutdown system for overspeed and overtemperature is also included as a fial-safe feature. The new gas valves also have solenoid valve-actuated shutoffs both before and after the gas valve for safety redundancy. 3 figs.
OSTI ID:
102867
Journal Information:
Diesel and Gas Turbine Worldwide, Journal Name: Diesel and Gas Turbine Worldwide Journal Issue: 7 Vol. 27; ISSN DGWODS; ISSN 0278-5994
Country of Publication:
United States
Language:
English

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