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Thermal power unit operation optimization rule extraction method based on data excavation

A data mining, thermal power unit technology, applied in electrical program control, program control in sequence/logic controllers, instruments, etc., can solve the problems of slow model running speed and poor convergence, and achieve the effect of operation optimization

Inactive Publication Date: 2008-05-28
BEIJING HUADIAN TIANREN ELECTRIC POWER CONTROL TECH
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Problems solved by technology

The disadvantage of this modeling method is that the model may run slower when there are more parameters, and the convergence will be poor

Method used

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  • Thermal power unit operation optimization rule extraction method based on data excavation

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Embodiment Construction

[0037] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0038] The method for extracting thermal power unit operation optimization rules based on data mining will be described below in conjunction with specific embodiments of the present invention. Such as figure 1 As shown, the entire optimization process is as follows:

[0039] 1. Definition of performance indicators.

[0040] The performance indicators of operation optimization include four indicators: stability, economy, environmental protection and comprehensiveness.

[0041] The stability index is defined as the mean square error of a parameter that has a great influence on the stability of the unit. The optimization direction of this indicator is 0.

[0042] The economic index is defined as the weighted combination of unit efficiency, coal consumption for power generation and plant power consumption rate, and the weight coefficie...

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Abstract

The invention relates to an extracting method of fire generator assemblage operation optimality principle on the basis of data mining, which utilizes real-time data bank, adopts data mining algorithm, finds out optimum operating state under the similar generator assemblage operation working order according to performance index such as stability, economy, environment protection and the like, and establishes a non-linear stable steady-state model between regulating capacity and runnability of the generator assemblage under the different disturbing capacities of the generator assemblage through data accumulation. The invention provides a real-time operation guide for operating staffs, which achieves the a purpose of optimizing fire generator assemblage operation.

Description

technical field [0001] The invention relates to a method for extracting thermal power unit operation optimization rules, in particular to a data mining-based extraction method for thermal power unit operation optimization rules established on a plant-level supervisory information management system (SIS). Background technique [0002] The thermal power unit is a very complex control system in the process industry, and its operation optimization has always been the focus of the thermal power industry. For operation optimization, the crux of the problem is that it is difficult to find the exact relationship between the operation amount and the controlled index. In particular, the optimization of the boiler combustion system has many influencing factors. Different models, different coal types, and different environments have a great influence on the model, and it is difficult to guarantee the practicality of the conventional model. [0003] In the prior art, traditional thermal...

Claims

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Application Information

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IPC IPC(8): G05B19/04G05B13/00
Inventor 曾德良陈彦桥
Owner BEIJING HUADIAN TIANREN ELECTRIC POWER CONTROL TECH
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