甩负荷试验是新建机组上网运行的必备条件。本文介绍了天津陈塘庄“二拖一”燃气一蒸汽联合循环发电供热机组的甩负荷试验，试验结果合格。对蒸汽轮机甩100％负荷试验中出现的主蒸汽压力变化较大、甩负荷后蒸汽轮机异常跳闸等问题进行了分析，提出了相应的解决方案。%Load rejection test is requirement for newly constructed plants running on the power grid.This paper introduced the load re-jection test for 2GT+1ST gas-steam combined cycle thermal power plant in Tianjin Chen Tang Zhuang, the results are reasonable.The problems appeared in the 100%load test of the steam turbine, such as the changes in the main steam pressure, and the tripping of the turbine etc., which have been analyzed, and the solutions were proposed.
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