对660MW超临界、直接空冷汽轮机在整套启动中遇到的问题进行研究分析，并采取措施予以解决；对该类型机组的运行特点进行了总结，供同类型机组的启动调试做参考。

For 660MW supercritical, Direct Air Cooling Turbine Entire System Startup of problems encountered in research and analysis, and to take measures to address; the type of unit operating characteristics were summarized for the similar type of unit with a reference start debugging.