Variable-weight hydropower unit deterioration evaluation system and evaluation method

Abstract

The invention discloses a variable-weight hydropower unit deterioration evaluation system and an evaluation method. The system comprises an evaluation data layer, an evaluation index layer, an evaluation algorithm layer and a man-machine interaction layer, which are connected in sequence. The method is a variable-weight multi-factor unit deterioration evaluation algorithm and comprises: performing unified processing on various evaluation data by adopting a data integration technology of the evaluation data layer; integrating and inputting evaluation data to the evaluation index layer; calculating deterioration degree of each index; reading a weight parameter of each index at the same time; and finally performing weighted calculation to obtain an overall health state result of a unit and outputting the overall health state result to a man-machine interface. By utilizing the system and the method, the unit can be subjected to deterioration evaluation and online operation monitoring and state repair guidance are provided; and an effective solution can be provided for constructing a state repair and deterioration evaluation system for hydropower units in different hydropower plants, different periods and different states, and efficient and practical decision-making services are provided for device deterioration analysis of the hydropower plants, so that reliable support is provided for implementation of state repair.

Description

technical field [0001] The invention relates to the field of state evaluation of hydroelectric units, in particular to a hydroelectric unit variable weight degradation evaluation system and evaluation method. Background technique [0002] Hydropower units are affected by factors such as erosion, wear, and alternating stress during operation, and the performance of each component will gradually degrade with the increase of service time. The reliability of its equipment performance has an important impact on the safety and stability of the power grid. If a failure occurs, it may cause the unit to be shut down for maintenance, thereby disrupting the routine operation of the power plant, causing serious economic losses, and even catastrophic accidents such as grid disconnection. Therefore, change the traditional single passive maintenance mode, promote the development of hydropower unit maintenance to predictive maintenance, avoid catastrophic power grid accidents caused by hydr...

AI Technical Summary

Problems solved by technology

Traditional evaluation methods are often limited to a single measurement point and a single evaluation index, and cannot make full use of the information of each component of the unit for comprehensive evaluation

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