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1.国网浙江省电力有限公司电力科学研究院,浙江省杭州市 310014
2.南瑞集团有限公司(国网电力科学研究院有限公司),江苏省南京市 211106
3.杭州电子科技大学信息工程学院,浙江省杭州市 311305
张江丰(1988—),男,通信作者,硕士,高级工程师,主要研究方向:电力系统网源协调控制技术及应用。E-mail:zhangjiangfeng0725@163.com
郭斌琪(1994—),男,硕士,工程师,主要研究方向:大规模储能技术、自动发电控制。E-mail:1098347046@qq.com
王天宇(1991—),男,博士,工程师,主要研究方向:控制理论与控制工程。E-mail:tywangncepu@163.com
收稿:2022-08-14,
修回:2023-05-04,
网络出版:2023-07-11,
纸质出版:2023-09-10
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张江丰,郭斌琪,王天宇等.基于广域信息交互的电网侧储能省地有功协同控制技术[J].电力系统自动化,2023,47(17):128-136.
ZHANG Jiangfeng,GUO Binqi,WANG Tianyu,et al.Provincial and Regional Active Power Cooperative Control Technology for Energy Storage on Power Grid Side Based on Wide-area Information Interaction[J].Automation of Electric Power Systems,2023,47(17):128-136.
张江丰,郭斌琪,王天宇等.基于广域信息交互的电网侧储能省地有功协同控制技术[J].电力系统自动化,2023,47(17):128-136. DOI: 10.7500/AEPS20220814005.
ZHANG Jiangfeng,GUO Binqi,WANG Tianyu,et al.Provincial and Regional Active Power Cooperative Control Technology for Energy Storage on Power Grid Side Based on Wide-area Information Interaction[J].Automation of Electric Power Systems,2023,47(17):128-136. DOI: 10.7500/AEPS20220814005.
为了充分整合省/地电网侧储能资源,解决电网调峰、调频、内部断面过载等问题,文中对电网侧储能省地有功协同控制技术展开研究。以现有智能电网调控系统为基础,依托省/地调度主站自动发电控制(AGC)实现储能控制建模,通过广域信息交互技术实现省地间储能指令信息的快速传递,在AGC主控制区外建立储能控制区,将地调下辖储能聚合为等效集中储能,与省调储能共同参与省调统一决策,并提出了一种考虑荷电状态(SOC)均衡的储能功率分配策略,通过快速缩小省/地调侧储能间SOC差异,提高储能资源的可调节能力。最后,通过中国某省级电力调度控制中心的实际运行效果验证所提策略的有效性,实现省级调度中心对全省电网侧储能的采集监视和紧急情况下的省地协同控制。
In order to fully integrate the provincial/regional grid-side energy storage resources and solve the problems of power grid peak-shaving
frequency regulation and internal section overload
this paper studies the provincial and regional active power cooperative control technology for energy storage on power grid side. Based on the existing smart grid regulation system
the energy storage control modeling is realized through the automatic generation control (AGC) of the main provincial/regional dispatching station. The fast transmission of energy storage command information between provinces and regions is realized by the wide-area information interaction technology. By establishing an energy storage control area outside the main control area of AGC
the regional energy storage is aggregated into equivalent centralized energy storage and participates in unified provincial/regional decision-making together with the provincial energy storage. Then
this paper proposes an energy storage power allocation strategy considering state of charge (SOC) balance
which can improve the adjustable capacity of energy storage resources by rapidly reducing the SOC difference between provincial/regional energy storage. Finally
the effectiveness of the proposed strategy is verified by the actual operation effect of a provincial power dispatching control center in China
which can achieve the collection and monitoring of provincial energy storage on the power grid side by the provincial dispatch center
as well as provincial and regional cooperative control in emergency situations.
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