Abstract

Abstract The paper introduces the condition evaluation method of hydropower unit based on the health sample with the long time and massive condition monitoring data. By analysing the probability statistics characteristics of units’ status data, it designs the unit operating condition model, and makes the statistics analysis for two-dimension model, which consists of the unit feature value and single influence factor such as water head or active power, furthermore, it built and analyses the three-dimension condition model to get the different influence result by comparing the multi-dimension models. The statistical characteristics of unit operating condition model obtained can be the foundation and basis for implement of hydropower unit health condition evaluation.

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