The off-design characteristic research of 200MW IGCC system

The mature commercial software Thermoflex was used to simulate the IGCC system.200MW IGCC system was established and material and thermal equilibriums were calculated in the text.The reasons of resulting in IGCC system off-design were analyzed,and the result shows that the mostly reasons of resulting in IGCC system off-design are the varieties of unit load,atmosphere condition and components capability.The characteristic of system off-design aroused by the changes of gas turbine load and atmosphere condition(environment temperature,atmosphere pressure)was calculated and analyzed.The change rules of system efficiency and power,gas turbine efficiency and power,and mostly parameters of steam side in the IGCC system off-design are gained.