Power plant thermal performance analysis and optimization system

Abstract

The invention provides a power plant thermal performance analysis and optimization system. The thermal performance analysis and optimization system comprises a model management and rule management module, an index calculation and benchmarking module, a measurement data display and analysis module, a performance online analysis module, a performance offline analysis module, an operation and maintenance decision support module, and a trend early warning and fault diagnosis module, wherein the performance online analysis module is used for performing comparative analysis on different data types of a same measuring point by utilizing a comparison table, the data types comprise a measured value, a verification value and an expected value, a comparison result comprises an absolute deviation anda relative deviation, and a large deviation can be identified by colors. According to the system, a thermodynamic model is taken as a core, a performance analysis model is established according to equipment characteristics and system logic, economic analysis, diagnosis and prediction of equipment and the system are performed by utilizing real-time and historical operation data and simulation dataof the thermodynamic model, and decision support for operation mode and technical improvement is provided for owners. Finally, a power plant, a unit and equipment are helped to be maintained at a highperformance level.

Description

technical field [0001] The invention relates to the technical field of electric power systems, in particular to a thermal performance analysis and optimization system of a power plant. Background technique [0002] With the development of the power market, power plants have put forward higher and higher requirements on the operating economy of the units. Improve production efficiency and equipment availability, optimize resource allocation, minimize power generation costs, and ensure the safe operation of the unit, keep the unit running at the best working condition, minimize the coal consumption rate, and effectively improve the operating efficiency Economic efficiency, establishing a new operating mechanism centered on economic benefits, centered on cost reduction, and focused on energy saving and efficiency enhancement is an important means to improve the competitiveness of power plants. The steam turbine thermal performance test is an industrial test to obtain the therm...

AI Technical Summary

Problems solved by technology

[0004] 1) It is impossible to establish the correlation analysis capability of equipment thermal performance measurement points, lack the ability to improve the transparency of equipment operation information through big data analysis and provide equipment managers with analysis tools and analysis processes, and the real-time monitoring and fault diagnosis capabilities of equipment thermal performance are poor;

[0005] 2) It is impossible to establish a thermal performance analysis model based on equipment characteristics and system logic, and it is impossible to use real-time and historical operating data to dynamically correct the model, and then it is impossible to perform economic analysis, diagnosis and prediction of equipment and systems based on the corrected model;

[0006] 3) It only has conventional functions such as indicator display and analysis, and does not have advanced functions such as performance prediction and decision support;

[0007] 4) The data processing ability is weak, and it does not have the intelligent learning and modeling ability of the algorithm, and cannot realize the functions of index analysis, equipment diagnosis, fault warning, etc.;

[0008] 5) The thermal system built during the implementation of the module cannot guarantee the authenticity of the simulation engine and the reliability of the calculation results

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