With the implement of interregional interconnection and the progress of power industry reform, power system security is playing an increasingly important part. 隨著我國跨大區域聯網的逐漸形成和電力體制改革的深化進行，電力系統的安全性變得越來越重要。
At present, the electric power system of China is under reforming and deregulating.It provides the independent power plant owners with the challenges of improving their economies. 本文緊密結合目前我國電力體制改革對獨立發電廠經濟性方面的要求與挑戰，對火電機組運行與維修的經濟性進行了比較深入的分析。
