Load Modeling of Regenerative Electric Boiler Considering Inconsistency of Heat Transfer

被引：0

作者：

Zhang L. ^{[1
]}

Wang H. ^{[1
]}

Yan G. ^{[1
]}

Qi R. ^{[2
]}

Han Z. ^{[2
]}

Zhang Z. ^{[1
]}

机构：

[1] Key Laboratory of Modern Power System Simulation and Control & Renewable Energy Technology, Ministry of Education (Northeast Electric Power University, Jilin

[2] Huaneng Jilin Energy Sales Co., Ltd., Changchun

来源：

Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2023年 / 47卷 / 13期

基金：

中国国家自然科学基金;

关键词：

controllable loads; heat balance principle; heat transfer inconsistency; load modeling; regenerative electric boiler;

D O I：

10.7500/AEPS20220927001

中图分类号：

学科分类号：

摘要：

Regenerative electric boilers are high-quality controllable loads that participate in power grid regulation. However, due to the inconsistency in their heat transfer process, existing models have significant errors and cannot accurately evaluate the load regulation ability of electric boilers. A load model of solid regenerative electric boiler considering inconsistent heat transfer is proposed based on the principle of heat balance to address the above issues. Firstly, the typical structure, working mode, and heat balance relationship of solid regenerative electric boilers are analyzed. Secondly, based on the principle of heat balance, this paper establishes a load model for regenerative electric boiler and analyzes the impact of inconsistent heat transfer. Finally, considering the inconsistency of heat transfer, a consistency coefficient is introduced to modify the proposed model, and the least squares method is used for parameter optimization. The simulation comparison results show that the furnace temperature error and rise/fall time error of the proposed load model of regenerative electric boiler are significantly lower than those of the heat balance model and ANSYS simulation model, which can provide technical support for accurately evaluating the load regulation ability of electric boilers. © 2023 Automation of Electric Power Systems Press. All rights reserved.

引用

页码：40 / 46

页数：6

共 24 条

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