高比例光伏接入的分布式储能容量自适应协调控制方法

doi:10.19799/j.cnki.2095-4239.2024.0196

储能科学与技术 ›› 2024, Vol. 13 ›› Issue (8): 2696-2703.doi: 10.19799/j.cnki.2095-4239.2024.0196

高比例光伏接入的分布式储能容量自适应协调控制方法

柳长发¹(), 付立衡¹, 张增丽¹, 李宏胜¹, 古敬彬²

^1.国网河北省电力有限公司营销服务中心，河北石家庄 050000
^2.北京中电普华信息技术有限公司，北京 100085

收稿日期:2024-03-06 修回日期:2024-04-12 出版日期:2024-08-28 发布日期:2024-08-15
通讯作者: 柳长发 E-mail:liyun_ly123@163.com
作者简介:柳长发（1989—），男，本科，工程师，研究方向为光伏能源接入。E-mail：liyun_ly123@163.com。
基金资助:
国网河北省电力有限公司科技项目(SGHEYX00KHJS2000038)

Adaptive coordinated control method for distributed energy storage capacity with high proportion of photovoltaic access

Changfa LIU¹(), Liheng FU¹, Zengli ZHANG¹, Hongsheng LI¹, Jingbin GU²

^1.State Grid Hebei Marketing Service Center, Shijiazhuang 050000, Hebei, China
^2.Beljing China-Power Information Technology Co. Ltd, Beijing 100085, China

Received:2024-03-06 Revised:2024-04-12 Online:2024-08-28 Published:2024-08-15
Contact: Changfa LIU E-mail:liyun_ly123@163.com

摘要/Abstract

摘要：

光伏发电具有一定的波动性和不确定性，天气、季节等因素会导致光伏功率的变化，需要储能系统实时跟踪、预测和调整以保持供需平衡，但波动性和不确定性增加了控制的复杂性。为此，提出一种新的分布式储能容量自适应协调控制方法。计算接入高比例光伏电能后储能无功损耗，设置功率约束条件，确保功率的稳定性。基于此，以电压条件最优、接入负荷和净功率最低、高比例光伏接入处的功率可调节范围最优为调控目标，实现高比例光伏接入的分布式储能容量自适应协调控制。实验数据证明，所提方法在控制效果方面具有显著优势，能够实现高效的分布式储能控制，并确保光伏的高效出力。

关键词: 高比例光伏接入, 分布式储能容量, 有功功率, 最优潮流控制模型, 网损

Abstract:

Photovoltaic power generation has certain volatility and uncertainty, weather, seasons and other factors will lead to changes in photovoltaic power, the energy storage system needs to track, forecast and adjust in real time to maintain the balance of supply and demand, but volatility and uncertainty increase the complexity of control. Therefore, a new adaptive coordinated control method for distributed energy storage capacity is proposed. Calculate the reactive power loss of energy storage after a high proportion of photovoltaic energy is added, and set power constraints to ensure power stability. Based on this, the optimal voltage condition, the lowest access load and net power, and the optimal power adjustable range at the high proportion photovoltaic access point are taken as the regulatory goals, and the adaptive coordinated control of distributed energy storage capacity of high proportion photovoltaic access is realized. Experimental data prove that the proposed method has significant advantages in terms of control effect, and can realize efficient distributed energy storage control and ensure efficient photovoltaic output.

Key words: high proportion of photovoltaic access, distributed energy storage capacity, active power, optimal power flow control model, network loss

中图分类号:

TP 258

柳长发, 付立衡, 张增丽, 李宏胜, 古敬彬. 高比例光伏接入的分布式储能容量自适应协调控制方法[J]. 储能科学与技术, 2024, 13(8): 2696-2703.

Changfa LIU, Liheng FU, Zengli ZHANG, Hongsheng LI, Jingbin GU. Adaptive coordinated control method for distributed energy storage capacity with high proportion of photovoltaic access[J]. Energy Storage Science and Technology, 2024, 13(8): 2696-2703.

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高比例光伏接入类型	最大有功功率变化量/MW
高比例光伏接入类型	时间尺度1分钟	时间尺度10分钟
小型	装机容量0.2	装机容量/1
中型	装机容量/5	装机容量/2
大型	装机容量/10	装机容量/3

节点	光伏逆变器容量 /(kV·A)	储能系统容量 /kWh	光伏额定功率/kW	储能额定功率/kW
1	1	5.5	6	5
2	1	5.5	6	5
3	1	5.5	6	5
4	4	11	12	20
5	1	5.5	6	5
6	4	11.0	12	20

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高比例光伏接入的分布式储能容量自适应协调控制方法

Adaptive coordinated control method for distributed energy storage capacity with high proportion of photovoltaic access

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