考虑工业园区CHP机组动态约束的低碳经济调度

doi:10.12204/j.issn.1000-7229.2022.12.013

电力建设 ›› 2022, Vol. 43 ›› Issue (12): 122-130.doi: 10.12204/j.issn.1000-7229.2022.12.013

考虑工业园区CHP机组动态约束的低碳经济调度

张磊¹(), 郑丹¹(), 卢天林¹(), 陈庆²(), 叶婧²(), 熊致知¹()

1.三峡大学电气与新能源学院, 湖北省宜昌市443002
2.新能源微电网湖北省协同创新中心(三峡大学), 湖北省宜昌市 443002

收稿日期:2022-08-12 出版日期:2022-12-01 发布日期:2022-12-06
通讯作者: 叶婧 E-mail:leizhang3188@163.com;190775934@qq.com;1228172636@qq.com;chenqing20190808@163.com;yejing2000310@163.com;xzz9929@163.com
作者简介:张磊(1986),男,博士,副教授,主要研究方向为综合能源系统,大规模新能源接入后电力系统优化运行与控制,人工智能技术在电力系统运行控制中的运用等,E-mail:leizhang3188@163.com;
郑丹(1999),女,硕士研究生,主要研究方向为电力系统优化与控制,E-mail:190775934@qq.com;
卢天林(1998),男,硕士研究生,主要研究方向为综合能源系统运行优化调度,E-mail:1228172636@qq.com;
陈庆(1989),女,博士研究生,主要研究方向为综合能源系统优化调度,E-mail:chenqing20190808@163.com;
熊致知(1999),女,硕士研究生,主要研究方向为含新能源的电力系统运行与控制,E-mail:xzz9929@163.com。
基金资助:
国家自然科学基金项目(52007103)

Low-Carbon Economic Dispatching in Industrial Park Considering Dynamic Constraints of CHP Units

ZHANG Lei¹(), ZHENG Dan¹(), LU Tianlin¹(), CHEN Qing²(), YE Jing²(), XIONG Zhizhi¹()

1. College of Electrical Engineering & Renewable Energy, China Three Gorges University, Yichang 443002, Hubei Province, China
2. Hubei Provincial Collaborative Innovation Center for New Energy Microgrid(China Three Gorges University), Yichang 443002, Hubei Province, China

Received:2022-08-12 Online:2022-12-01 Published:2022-12-06
Contact: YE Jing E-mail:leizhang3188@163.com;190775934@qq.com;1228172636@qq.com;chenqing20190808@163.com;yejing2000310@163.com;xzz9929@163.com
Supported by:
National Natural Science Foundation of China(52007103)

摘要/Abstract

摘要：

具备快速电出力调节能力的热电联产(combined heat and power,CHP)机组能够提升工业园区电热耦合系统运行灵活性,促进新能源消纳,降低碳排放压力。采用微分方程形式建立CHP动态约束能够详细描述变量的变化情况,在调度中考虑动态约束能够掌握机组运行状态,降低事故风险。为此,以考虑碳交易过程的工业园区最小成本为目标,建立考虑CHP动态约束的工业园区低碳经济调度模型。然后基于序贯法框架,采用有限元正交配置法对模拟层的微分代数方程进行离散,并采用改进自适应差分进化算法求解优化层非线性规划问题。算例结果表明,有限元正交配置法能够以较少的离散点数获得较为精确的结果,提升了求解效率,验证了具备快速电出力调节能力的CHP机组能有效提升工业园区低碳经济水平。

关键词: 工业园区, 经济调度, 运行动态约束, 有限元正交配置

Abstract:

The CHP unit with fast power output adjustment can improve the operation flexibility of the electrothermal coupling system in the industrial park and promote the absorption of new energy and reduce carbon emission. The CHP dynamic constraints in the form of differential equations can describe the variation of variables in detail, and considering dynamic constraints in dispatching can grasp the operation state of units and reduce the risk of accidents. Therefore, aiming at the minimum cost of industrial parks and considering carbon trading process, a low-carbon economic dispatching model of industrial parks considering CHP dynamic constraints is established. Then, on the basis of the sequential framework, the differential algebraic equations of the simulation layer are discretized by the orthogonal configuration method on finite element, and the nonlinear programming problem of the optimization layer is solved by the improved adaptive differential evolution algorithm. The results of examples show that the orthogonal configuration method can obtain accurate results with fewer discrete points, improve the solving efficiency, and the CHP unit with fast power output adjustment can effectively improve the low-carbon economic level of the industrial park.

Key words: industrial park, economic dispatching, dynamic operation constraint, orthogonal collocation on finite element

中图分类号:

TM734

张磊, 郑丹, 卢天林, 陈庆, 叶婧, 熊致知. 考虑工业园区CHP机组动态约束的低碳经济调度[J]. 电力建设, 2022, 43(12): 122-130.

ZHANG Lei, ZHENG Dan, LU Tianlin, CHEN Qing, YE Jing, XIONG Zhizhi. Low-Carbon Economic Dispatching in Industrial Park Considering Dynamic Constraints of CHP Units[J]. ELECTRIC POWER CONSTRUCTION, 2022, 43(12): 122-130.

图/表 15

图1 IPEHS结构

Fig.1 Structure of an IPEHS

图2 Radau配置点

Fig.2 Radau collocation point

图3 改进ADE算法框架

Fig.3 Algorithm structure of the improved ADE

图4 改进IEEE 14节点系统

Fig.4 Improved IEEE 14-bus system

图5 算例2、3机组电出力

Fig.5 Power output in case 2 and 3

表1 算例2、3计算结果对比

Table 1 Comparison of calculation results in case 2 and 3

表2 系统调度成本

Table 2 Cost of system dispatching

图6 算例1、3机组电出力

Fig.6 Power output in case 1 and 3

表3 风电消纳能力及碳排放水平

Table 3 Capacity of wind power consumption and carbon emission

图7 算例3机组电功率、供热抽汽流量、主蒸汽压力变化情况

Fig.7 Trend of CHP power output and heat extraction steam and steam pressure in case3

表A1 CHP机组参数

Table A1 Parameters of CHP unit

表A2 调度模型参数

Table A2 Parameters of dispatching model

图A1 风电预测功率

Fig.A1 Forecasting of wind power

图A2 电负荷预测功率

Fig.A2 Forecasting of power load

图A3 热负荷预测功率

Fig.A3 Forecasting of heat demand

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考虑工业园区CHP机组动态约束的低碳经济调度

Low-Carbon Economic Dispatching in Industrial Park Considering Dynamic Constraints of CHP Units

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