Abstract
To realize stable operation of micro grid, it is necessary for gas engines to compensate the load changes due to demand variation as well as the power provided by other renewable energy device. It is important to grasp the load following capability of gas engines because gas engines can be controlled in response to the demands. In addition, because of the variability of component of biomass gas which depending on the operating condition of gasification or raw material in case of supplying biomass gas to gas engine, dynamic characteristics against the fuel component variation must be investigated. In this study, newly developed dynamic simulation model of gas engine is proposed and used to simulate transient operation. With this model, the influence of several engine parameters on the transient response of gas engine was clarified. As a result, equivalence ratio, combustion duration and fuel calorie have relatively small influence on the transient response.
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