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1.清华大学电机工程与应用电子技术系,北京市100084
2.云南电网有限责任公司,云南省昆明市 650000
聂世豪(1999—),男,硕士研究生,主要研究方向:负荷参与调频的策略与模型。E-mail:nsh21@mails.tsinghua.edu.cn
黄润(1987—),女,硕士,高级工程师,主要研究方向:电力系统稳定与控制、电力市场建设与运行。E-mail:39069887@qq.com
陈磊(1982—),男,通信作者,博士,副研究员,主要研究方向:新型电力系统动态分析与运行。E-mail:chenlei08@mails.tsinghua.edu.cn
收稿:2023-08-21,
修回:2024-03-04,
网络出版:2024-08-01,
纸质出版:2024-09-10
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聂世豪,黄润,陈磊等.考虑能量恢复的电解铝负荷一次调频自适应控制[J].电力系统自动化,2024,48(17):37-45.
NIE Shihao,HUANG Run,CHEN Lei,et al.Adaptive Control of Primary Frequency Regulation for Electrolytic Aluminum Load Considering Energy Recovery[J].Automation of Electric Power Systems,2024,48(17):37-45.
聂世豪,黄润,陈磊等.考虑能量恢复的电解铝负荷一次调频自适应控制[J].电力系统自动化,2024,48(17):37-45. DOI: 10.7500/AEPS20230821009.
NIE Shihao,HUANG Run,CHEN Lei,et al.Adaptive Control of Primary Frequency Regulation for Electrolytic Aluminum Load Considering Energy Recovery[J].Automation of Electric Power Systems,2024,48(17):37-45. DOI: 10.7500/AEPS20230821009.
大规模新能源接入使得传统调频资源无法满足新型电力系统的调频需求。电解铝作为典型的高载能负荷,其大容量、易调节的负荷特性使其具备极大的调节潜力。文中针对电解铝自身的控制特性,提出一种参数随频率变化的自适应控制策略,通过控制饱和电抗器使电解铝参与一次调频。该策略使得电解铝响应速度较快的同时保持了平稳的出力曲线,并加快了频率的恢复。为保证多次电解铝调频对生产效率、产量的影响较少
文中建立了电解铝参与调频对工艺流程影响的量化模型,并在此基础上提出电解铝参与调频后的能量恢复策略。在保证频率恢复不受较大影响的前提下,尽快使得电解铝回到初始工作状态。最后,通过算例验证了控制策略以及恢复策略的有效性与普适性。
The large-scale integration of renewable energy makes traditional frequency regulation resources unable to meet the frequency regulation demands of the new power system. Electrolytic aluminum
as a typical high-energy load
has great potential for frequency regulation due to its load characteristics of large capacity and flexible adjustment. Aiming at the control characteristics of electrolytic aluminum
an adaptive control strategy with parameters varying with frequency is proposed. The electrolytic aluminum participates in primary frequency regulation by controlling the saturable reactor. This strategy maintains a stable output curve while making the response speed of the electrolytic aluminum faster
and accelerates the frequency recovery. In order to ensure that electrolytic aluminum participating in frequency regulation for many times has less impact on production efficiency and output. In this paper
the quantitative model of the impact of electrolytic aluminum participating in frequency regulation on the production process flow is established
and based on this
an energy recovery strategy for electrolytic aluminum participating in frequency regulation is proposed. On the premise of ensuring that the frequency recovery is not significantly affected
the electrolytic aluminum quickly returns to its initial working state. Finally
the effectiveness and universality of the control strategy and recovery strategy are verified through cases.
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