This article introduces a fault example of abnormal load adjustment of C25-3.43/0.12 steam turbine in a self-provided power plant,analyzes the reasons that may cause abnormal load adjustment of steam turbine from the aspect of equipment principle,and in-spects and verifies them one by one,finds the root cause of the fault,and puts forward the improvement measures from the aspects of operation and maintenance,condition monitoring,and overhaul arrangement.
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