计及换热器传热特性的热电联合系统优化调度

doi:10.11930/j.issn.1004-9649.202002083

中国电力 ›› 2020, Vol. 53 ›› Issue (10): 104-112.DOI: 10.11930/j.issn.1004-9649.202002083

• 区域综合能源系统规划与运行技术 • 上一篇下一篇

计及换热器传热特性的热电联合系统优化调度

邹黎明¹, 边晓燕¹, 蒋建杰², 吴恒超³

1. 上海电力大学电气工程学院，上海 200090;
2. 湖州电力设计院有限公司，浙江湖州 313000;
3. 浙江泰仑电力集团有限责任公司，浙江湖州 313000

收稿日期:2020-02-16 修回日期:2020-03-10 发布日期:2020-10-05
作者简介:邹黎明(1992—)男，硕士研究生，从事综合能源调度研究，E-mail：874405391@qq.com;边晓燕 (1976—) 女，通信作者，博士，教授，从事新能源并网，电力系统运行与控制研究，E-mail：bianxy@shiep.edu.cn
基金资助:
国家自然科学基金资助项目(51807114，51977217)

Combined Heat and Power System Dispatch Considering Heat Transfer Characteristics of Heat Exchangers

ZOU Liming¹, BIAN Xiaoyan¹, JIANG Jianjie², WU Henchao³

1. School of Electric Power Engineering Shanghai University of Electric Power, Shanghai 200090, China;
2. Huzhou Electric Power Design Institute Co., Ltd., Huzhou 313000, China;
3. Zhejiang Tailun Power Group Co., Ltd., Huzhou 313000, China

Received:2020-02-16 Revised:2020-03-10 Published:2020-10-05
Supported by:
This work is supported by National Natural Science Foundation of China (No.51807114, No.51977217)

摘要/Abstract

摘要： 换热器传热特性是影响热电联合系统优化调度的关键因素之一。针对热电联合系统，基于传热原理，采用抽汽的三级传热模型来描述换热器的传热过程，利用迭代法计算一定热负荷下的抽汽量，提出计及换热器传热特性的热电、火电、风电的联合调度模型。最后以最小化煤耗量为优化目标，分析换热器传热特性对抽汽传热过程和热电联合系统调度结果的影响。算例表明：增大换热器传热面积、降低换热器出口水温可以不同程度地提高风电消纳能力，降低运行成本，研究结果为电热联合系统优化调度方案提供换热参数选择的依据。

关键词: 联合系统, 换热器, 传热过程, 联合调度

Abstract: The heat transfer characteristic of heat exchangers is one of the key factors affecting the optimal dispatch of combined heat and power systems. In order to optimize the dispatch of the combined heat and power systems, a three-stage heat transfer model of the extraction steam is established based on the heat transfer principle to describe the heat transfer process of the heat exchanger, and the iteration method is used to calculate the extraction steam under a certain heat load. And then, a joint dispatch model of cogeneration power, thermal power and wind power is proposed with consideration of the heat transfer characteristics of the heat exchangers. Finally, with the minimum coal consumption as the optimization goal, an analysis is made of the influence of the heat exchanger’s heat transfer characteristics on the steam extraction heat transfer process and the combined heat and power system dispatch results. The case study shows that increasing the heat transfer area of the heat exchanger and reducing the water temperature at the outlet of the heat exchanger can improve the wind power consumption capacity to different degrees, and reduce the operating cost. The research results of this paper can provide heat transfer parameters for optimizing the dispatch scheme of the combined heat and power systems.

Key words: combined system, heat exchanger, heat transfer process, joint dispatch

邹黎明, 边晓燕, 蒋建杰, 吴恒超. 计及换热器传热特性的热电联合系统优化调度[J]. 中国电力, 2020, 53(10): 104-112.

ZOU Liming, BIAN Xiaoyan, JIANG Jianjie, WU Henchao. Combined Heat and Power System Dispatch Considering Heat Transfer Characteristics of Heat Exchangers[J]. Electric Power, 2020, 53(10): 104-112.

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https://www.electricpower.com.cn/CN/Y2020/V53/I10/104

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计及换热器传热特性的热电联合系统优化调度

Combined Heat and Power System Dispatch Considering Heat Transfer Characteristics of Heat Exchangers

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Combined Heat and Power System Dispatch Considering Heat Transfer Characteristics of Heat Exchangers

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