考虑生产安全的工业园区联络线功率平滑策略

doi:10.16183/j.cnki.jsjtu.2022.516

摘要/Abstract

摘要：

高比例新能源接入工业园区已成为高耗能工业负荷低碳转型的主要途径,而联络线功率剧烈频繁波动是园区低碳转型的关键问题.因此,提出一种考虑生产安全的工业园区联络线功率平滑策略.首先,分析电解铝和矿热炉的可控设备控制模型,构建基于联络线功率波动反馈的工业负荷功率闭环反馈控制模型.考虑工业生产核心影响因素,构建温度状态指标模型,形成考虑工业生产核心因素的典型工业负荷需求侧响应惩罚成本模型,并以工业生产的惩罚成本最小为优化目标,将控制目标分配至各工业负荷.最后,构建基于云南电网文山区域网架的MATLAB在线计算和RTDS仿真实时交互算例,结果表明,该算法自适应更新生产设备温度,有效降低功率调节对生产的影响,且联络线购电成本可降低36.4%.

关键词: 新能源功率波动平抑, 高耗能工业负荷, 生产安全边界, 温度状态指标模型

Abstract:

The high proportion of renewable energy integration to industrial parks has become the main way for energy-intensive industrial loads to achieve low-carbon transition. The sharp and frequent power fluctuation of tie-line is the key problem of low-carbon transition for industrial parks. Therefore, an industrial park tie-line power smoothing strategy considering production safety is proposed. First, the control model of the production equipment for electrolytic aluminum and arc furnace is analyzed, the power closed-loop feedback control model of industrial load is established based on power fluctuation feedback. Then, considering the core influencing factors of industrial production, the state of temperature with energy-intensive equipment is established, a control cost model for demand response is formed, and the control objective to each industrial load is assigned based on the optimization objective for the minimum penalty cost. Finally, the MATLAB online calculation and RTDS simulation real-time interactive example is established based on Wenshan power grid in Yunnan Province. The simulation results show that the smelting temperature is updated adaptively, the influence of power regulation on production is reduced effectively, and the economic cost of tie-line is reduced by 36.4%.

Key words: renewable energy power fluctuation smoothing, energy-intensive industrial loads, production safety boundary, state of temperature with energy-intensive equipment

中图分类号:

TM762

徐箭, 余青芳, 廖思阳, 柯德平, 孙元章. 考虑生产安全的工业园区联络线功率平滑策略[J]. 上海交通大学学报, 2024, 58(6): 941-953.

XU Jian, YU Qingfang, LIAO Siyang, KE Deping, SUN Yuanzhang. Power Smoothing Strategy for Industrial Park Tie-Line Considering Production Safety[J]. Journal of Shanghai Jiao Tong University, 2024, 58(6): 941-953.

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