Dynamic simulation and control design of SOFC/GT hybrid power generation systems

• Main Authors: Jian-hao Lin, 林建豪
• Other Authors: wei wu
• Format: Others
• Language: zh-TW
• Published: 2011
• Online Access: http://ndltd.ncl.edu.tw/handle/66963293343775844034

碩士 === 國立雲林科技大學 === 化學工程與材料工程研究所 === 99 === In recent years, the energy crisis is search for new energy sources is urgent, and the birth of fuel cells, making the new energy has a new direction. Fuel cell becomes the new energy direction. This study is combined solid oxide fuel cell and gas turbine. The electrical efficiency of original design increases from 40% to 50% and the solid oxide fuel cell hybrid power system can reach 60% of the high electrical efficiency. Then using internal reforming to produce hydrogen to supply fuel cells which can avoid the risk of transport and storage. Simulation, finding solid oxide fuel cell and gas turbine start-up phase of the performance changes, and finding the different feed ratio of the system to find the best condition. The temperature fuel cell system is a important variable, so we use the PID controller to control the temperature of the fuel cell system. Using methane flow rate as the control variables achieves the effect of temperature control system. And use this controller to eliminate disturbance of fuel cell to reach steady state.