基于自适应均衡技术的分布式储能聚合模型及评估方法

doi:10.16183/j.cnki.jsjtu.2021.322

上海交通大学学报 ›› 2021, Vol. 55 ›› Issue (12): 1689-1699.doi: 10.16183/j.cnki.jsjtu.2021.322

所属专题：《上海交通大学学报》2021年“电气工程”专题；《上海交通大学学报》2021年12期专题汇总专辑

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基于自适应均衡技术的分布式储能聚合模型及评估方法

叶鹏¹, 刘思奇¹, 关多娇²(), 姜竹楠¹, 孙峰³, 顾海飞⁴

1.沈阳工程学院电力学院,沈阳 110136
2.沈阳工程学院能源与动力学院,沈阳 110136
3.国网辽宁省电力有限公司电力科学研究院, 沈阳 110006
4.中建安装集团有限公司工程研究院,南京 210046

收稿日期:2021-08-27 出版日期:2021-12-28 发布日期:2021-12-30
通讯作者: 关多娇 E-mail:silver_gdj@163.com
作者简介:叶鹏(1974-),男,吉林省吉林市人,博士后,教授,主要从事新能源并网与分布式储能相关研究.
基金资助:
辽宁省创新能力提升联合基金(1600743366464)

An Aggregation Model and Evaluation Method of Distributed Energy Storage Based on Adaptive Equalization Technology

YE Peng¹, LIU Siqi¹, GUAN Duojiao²(), JIANG Zhunan¹, SUN Feng³, GU Haifei⁴

1. School of Electric Power, Shenyang Institute of Engineering, Shenyang 110136, China
2. College of Energy and Power, Shenyang Institute of Engineering, Shenyang 110136, China
3. Electric Power Research Institute, State Grid Liaoning Electric Power Supply Co., Ltd., Shenyang 110006, China
4. Engineering Research Institute, China Construction Industrial and Energy Engineering Group Co., Ltd., Nanjing 210046, China

Received:2021-08-27 Online:2021-12-28 Published:2021-12-30
Contact: GUAN Duojiao E-mail:silver_gdj@163.com

摘要/Abstract

摘要：

针对分布式储能广域分布、资源分散、无法高效聚合等问题,提出一种基于自适应均衡技术的分布式储能聚合模型及评估方法.首先,建立基于储能容量、功率、荷电状态等动态特性参数的自适应均衡函数模型.然后,在自适应均衡函数模型基础上,建立以储能功率调节度、自适应均衡度和容量贡献度3种聚合度动态参数为决策的储能聚合模型.通过算例仿真,验证了该模型可实现各储能单体以更小的体内差异性、更高的体间聚合度完成储能单体到储能聚合体的聚合,可实际应用于大规模参与辅助服务的分布式储能的聚合,实现储能资源的高效利用.

关键词: 自适应均衡技术, 分布式储能聚合模型, 储能单体, 聚合, 储能聚合体

Abstract:

Aimed at the problems of wide area distribution, resource dispersion, and inefficient aggregation of distributed energy storage, this paper proposes an aggregation model and evaluation method of distributed energy storage based on the adaptive equalization technology. First, this paper establishes an adaptive equalization function model based on dynamic characteristic parameters such as energy storage capacity, power, and state of charge. Then, based on the adaptive equalization function model, it establishes the aggregation model and evaluation method of distributed energy storage, which takes the power regulation rate, adaptive equalization rate, and capacity contribution rate as the dynamic parameters of aggregation degree. The example simulation verifies that the model can realize the fact that each energy storage unit can complete the aggregation from energy storage unit to energy storage aggregate with a smaller internal difference and a higher external aggregation rate. It can be applied to a large number of distributed energy storage aggregation participating in grid auxiliary services, and realize the efficient utilization of energy storage resources.

Key words: adaptive equalization technology, aggregation model of distributed energy storage, energy storage unit, aggregate, energy storage aggregation

中图分类号:

TM762

叶鹏, 刘思奇, 关多娇, 姜竹楠, 孙峰, 顾海飞. 基于自适应均衡技术的分布式储能聚合模型及评估方法[J]. 上海交通大学学报, 2021, 55(12): 1689-1699.

YE Peng, LIU Siqi, GUAN Duojiao, JIANG Zhunan, SUN Feng, GU Haifei. An Aggregation Model and Evaluation Method of Distributed Energy Storage Based on Adaptive Equalization Technology[J]. Journal of Shanghai Jiao Tong University, 2021, 55(12): 1689-1699.

图/表 12

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图8

参考文献 18

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s_x	取值
s_min	0.1
s_low	0.2
s_shc	0.4
s_mid	0.5
s_shd	0.6
s_high	0.8
s_max	0.9

a_x	取值
a_min	0.10
a_low	0.15
a_mid	0.50
a_high	0.85
a_max	0.90

储能配置	功率/ MW	容量/ (MW·h^-1)	d_i	A_i₀	A_i
铅酸电池	4	10	20	1.00	1
全钒液流电池1	50	100	15	0.01	0.001
镍镉电池	8	20	18	0.01	0.005
全钒液流电池2	25	80	13	0.50	0.0625
锂离子电池1	15	40	18	0.50	0.125
锂离子电池2	30	60	13	0.01	0.00167

类别	残差
储能1	7.0202
储能2	7.3653
储能3	7.0002
储能4	4.8672
储能5	3.0025
储能6	3.5995

基于自适应均衡技术的分布式储能聚合模型及评估方法

An Aggregation Model and Evaluation Method of Distributed Energy Storage Based on Adaptive Equalization Technology

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