Development of mathematical model of P-102 waste heat boiler for modes of joint operation with GTU-6P gas turbine unit

Vestnik IGEU Pub Date : 2022-04-30 DOI:10.17588/2072-2672.2022.2.005-014

B. L. Shelygin, S. Pankov, S. D. Gorshenin, G. V. Ledukhovsky, l.A. Kokulin

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Abstract

Application of the power plant based on GTU-6P gas turbine engine and P-102 waste heat boiler is a proven example of an effective technical solution to modernize existing industrial boiler houses and low-capacity combined heat and power plants. To improve the power plant, as well as to prove the effectiveness of its use under conditions of various power facilities, a mathematical model is needed. This model is the result of the synthesis of mathematical models of a gas turbine plant and a waste heat boiler. P-102 waste-heat boiler as an object of modeling has significant features, since it allows both autonomous operation and operation with the utilization of heat of GTU-6P flue gases. The purpose of this study is to develop a mathematical model of P-102 waste heat boiler for joint operation with GTU-6P in the adjustment range limits of loads. The mathematical model of the waste heat boiler is developed using the TRAKT software package. The development of a mathematical description for a rapid assessment of the plant efficiency indicators is carried out using the methods of regression analysis of data. The indicators of accuracy of the mathematical model are evaluated by comparison with experimental data. Experimental data is obtained under the operating conditions of the power plant of the type under consideration. The authors have developed a mathematical model of P-102 waste heat boiler in joint operation with GTU-6P gas turbine engine. The performance of the equipment is described with an accuracy acceptable for practical calculations. The mathematical model developed in the TRAKT software package makes it possible to solve the problems of mode optimization of a power plant. The calculation results obtained using this model differ from the operational data by an average of 2,2 %. The mathematical description for the rapid assessment of the plant efficiency indicators is characterized by the uncertainty of 6,3 %.

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P-102余热锅炉与GTU-6P燃气轮机机组联合运行模式数学模型的建立

基于GTU-6P燃气涡轮发动机和P-102余热锅炉的电厂的应用是现有工业锅炉房和小容量热电联产电厂现代化的有效技术解决方案的实例。为了改进发电厂，并证明其在各种电力设施条件下使用的有效性，需要建立数学模型。该模型综合了某燃气轮机装置和某余热锅炉的数学模型。P-102余热锅炉作为建模对象，既可以自主运行，又可以利用GTU-6P烟气的热量运行，具有显著的特点。本研究的目的是建立P-102余热锅炉在负荷调节范围限制下与GTU-6P联合运行的数学模型。利用TRAKT软件包建立了余热锅炉的数学模型。利用数据的回归分析方法，开发了一种用于快速评估工厂效率指标的数学描述。通过与实验数据的比较，对数学模型的精度指标进行了评价。实验数据是在所考虑的电厂的运行条件下得到的。建立了P-102余热锅炉与GTU-6P燃气轮机联合运行的数学模型。用实际计算可接受的精度描述了设备的性能。在TRAKT软件包中建立的数学模型为解决电厂的模式优化问题提供了可能。用该模型计算得到的结果与实际数据平均相差2.2个百分点。工厂效率指标快速评定的数学描述不确定度为6.3%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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