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Integrated control system and method

United States Patent

October 29, 2013
View the Complete Patent at the US Patent & Trademark Office
An integrated control system for use with an engine connected to a generator providing electrical power to a switchgear is disclosed. The engine receives gas produced by a gasifier. The control system includes an electronic controller associated with the gasifier, engine, generator, and switchgear. A gas flow sensor monitors a gas flow from the gasifier to the engine through an engine gas control valve and provides a gas flow signal to the electronic controller. A gas oversupply sensor monitors a gas oversupply from the gasifier and provides an oversupply signal indicative of gas not provided to the engine. A power output sensor monitors a power output of the switchgear and provide a power output signal. The electronic controller changes gas production of the gasifier and the power output rating of the switchgear based on the gas flow signal, the oversupply signal, and the power output signal.
Wang; Paul Sai Keat (Peoria Heights, IL), Baldwin; Darryl (Lafayette, IN), Kim; Myoungjin (Peoria, IL)
Caterpillar Inc. (Peoria, IL)
12/ 976,811
December 22, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT This disclosure was made in part with Government support pursuant to Department of Energy Cooperative Agreement No. DE-FC26-01CH11079 entitled "Advanced Natural Gas Reciprocating Engine(s)" (ARES) in cooperation with the Department of Energy. The Government may have certain rights in this disclosure.