“双碳”背景下热电机组-储热联合运行消纳弃风策略

doi:10.11930/j.issn.1004-9649.202203113

摘要/Abstract

摘要： 在“双碳”目标背景下，针对目前“三北”地区在冬季供暖期存在的大量弃风问题，提出了一种热电机组-储热联合运行消纳弃风策略。在分析热电机组电热运行特性的基础上，深入研究了“三北”地区在冬季供暖期的弃风机理，分析了配置储热对热电机组调峰容量的影响，讨论了热电机组-储热联合系统运行机制，并基于此制定了热电机组-储热联合运行消纳弃风策略。建立了包含热电机组、储热系统、火电机组、风电机组的电热综合调度模型。与传统模型相比，所提模型兼顾了系统热、电双重能源平衡，求解过程以系统总煤耗量最低为目标函数。计算结果表明，热电机组配置储热可有效解耦其“以热定电”运行约束，增加系统调峰容量，降低弃风量。

关键词: 双碳, 热电机组, 储热, 调峰, 消纳弃风

Abstract: Under the background of “double carbon” goal, a strategy of combined operation of thermoelectric units and heat storage is proposed to eliminate abandoned wind, in view of the large number of wind curtailment problems existing in the winter heating period in the “Three North” area. Based on the analysis of the electrothermal operation characteristics of thermoelectric units, the mechanism of wind curtailment in the “Three North” area during the winter heating period is deeply studied, the influence of heat storage configuration on the peak shaving capacity of thermoelectric units is analyzed, and the operation mechanism of combined operation of thermoelectric unit and heat storage is discussed. Further, the strategy of thermoelectric unit and heat storage combined operation for air consumption and disposal is formulated. A comprehensive scheduling model of electric heating including thermoelectric unit, thermal storage system, thermal power unit and wind power unit is established. Compared with the traditional model, the proposed model takes into account the dual energy balance of heat and electricity in the system. The objective function of the solution process is to minimize the total coal consumption of the system. The calculation results show that the thermal storage configuration of the thermoelectric unit can effectively decouple its operation constraints of “ordering power by heat”, increase the peak shaving capacity of the system, and reduce the waste wind volume.

Key words: double carbon, thermoelectric unit, heat storage system, peak regulation, eliminate abandoned wind

曹钰, 房磊. “双碳”背景下热电机组-储热联合运行消纳弃风策略[J]. 中国电力, 2022, 55(10): 142-149.

CAO Yu, FANG Lei. Combined Operation Strategy of CHP Unit and Heat Accumulator for Eliminate Abandoned Wind under “Double Carbon” Background[J]. Electric Power, 2022, 55(10): 142-149.

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链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202203113

https://www.electricpower.com.cn/CN/Y2022/V55/I10/142

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