摘 要～本文对余热锅炉型联合循环给出其变工况特性解析解并加以规律性的总结，它虽不能严格表达某一具体机组的准确特性，但可将其视为这类动力装置通用特性的典型表达。
Analytical off-design performances of combined cyclewith single shaft gas turbine are derived with typical analyticalcomponent performances. These performances presentedby relative form are not accurate for any specific set but typicaland accurate enough for common sets. The relation between efficiencyand power output of combined cycle can be approximately expressed asa single curve for different gas turbine design parameters.It is pointed out that the operation mode of steamside is important in the off-design condition. The comparison betweensliding pressure mode and throttle mode is given and discussed. In lowload, the approach temperature difference decreases quickly, and an operationmethod is proposed to prevent negative approachtemperature difference.
参考文献
| [1] | ZHANG Na;CAI Ruixian.Analytical Solutions and TypicalCharacteristics of PartLoad Performances of Single Shaft Gas Turbineand its Cogeneration[A].,1999 |
| [2] | 江丽霞;张娜;蔡睿贤 .单压过热蒸汽余热锅炉变工况解析解[J].工程热物理学报,1999,20(04):1999. |
| [3] | 赵士杭 .联合循环中余热锅炉与汽轮机的滑压运行[J].热能动力工程,7(03):1992. |
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