储能电池荷电状态与平抑风电出力波动协调运行策略

doi:10.3969/j.issn.1000－7229.2017.01.011

电力建设 ›› 2017, Vol. 38 ›› Issue (1): 84-.doi: 10.3969/j.issn.1000－7229.2017.01.011

储能电池荷电状态与平抑风电出力波动协调运行策略

邵丽华1, 章竹耀1,张春龙2,赵青2,黄国平2,严飞2

1.南通大学电气工程学院,江苏省南通市 226019;
2.南通职业大学电子信息工程学院, 江苏省南通市 226007

出版日期:2017-01-01
作者简介:邵丽华（1979），女，硕士研究生，研究方向为电力系统与智能控制，新能源发电技术；章竹耀（1991），男，硕士研究生，研究方向为新能源发电技术；张春龙（1968），男，副教授，研究方向为电力系统与智能控制；赵青（1971），女，副教授，研究方向为电力系统与智能控制；黄国平（1971），男，副教授，研究方向为电力系统与智能控制；严飞（1981），男，讲师，研究方向为电力系统与智能控制。
基金资助:
国家自然科学基金项目（61273024，613050312）；江苏省自然科学基金项目（BY2016053－113）；江苏省“333”高层次人才培养工程（BRA20153664）；江苏省优势学科（PAPD）资助项目

Coordinated Operation Strategy of Storage Battery SOC and Smoothing Wind Power Fluctuation

SHAO Lihua1, ZHANG Zhuyao1, ZHANG Chunlong2, ZHAO Qing2, HUANG Guoping2, YAN Fei2

1. School of Electrical Engineering, Nantong University, Nantong 226019, Jiangsu Province, China;
2. School of Electronics and information Engineering, Nantong Vocational University, Nantong 226007, Jiangsu Province, China

Online:2017-01-01
Supported by:
Project supported by National Natural Science Foundation of China(61273024，613050312)

摘要/Abstract

摘要： 采用电池储能系统(battery energy storage system, BESS)平滑风电功率波动可以优化风电场出力特性，提高风电场输出功率的稳定性。为了延长BESS的使用寿命，需最大限度控制BESS的荷电状态(state of charge, SOC)在限定区间内，以便拥有足够的容量进行下一时刻的充放电动作，从而带来更好的平滑效果。为此，提出了一种运行策略，该策略由2种控制算法组成，系统运行时，根据风电功率波动量的大小决定采用何种算法，2种算法依据风电场实际运行状况相互切换。仿真结果表明，该策略与传统低通滤波相比，不仅拥有较好的平抑效果，还能让BESS的SOC在合理的区间内，从而延长了BESS的使用寿命，节约了储能投资成本。

关键词: , , 风力发电, 风功率波动, 储能电池(BESS), 荷电状态（SOC）

Abstract: Using battery energy storage system (BESS) to smooth wind power fluctuation can optimize wind power output characteristics and improve the stability of output power in wind farm. In order to extend the service life of BESS, it needs to control the state of charge (SOC) of BESS in a defined interval furthest, which can have enough capacity to charge and discharge at next moment and bring a better smoothing effect. Therefore, this paper proposes a new control strategy which consists of two control algorithms. The selection between these two algorithms is determined according to the value of wind power fluctuation during the operation of system. Two algorithms are switched with each other based on the actual operating conditions of wind farms. Simulation results show that, compared with the traditional low pass filtering, the new strategy not only has a good stabilizing effect but also can make the SOC of BESS in a reasonable range which can largely extend the service life of BESS and save the cost of energy storage investment.

Key words: wind power generation, wind power fluctuation, battery energy storage system （BESS）, state of charge （SOC）

中图分类号:

TM 73

邵丽华, 章竹耀,张春龙,赵青,黄国平,严飞. 储能电池荷电状态与平抑风电出力波动协调运行策略[J]. 电力建设, 2017, 38(1): 84-.

SHAO Lihua, ZHANG Zhuyao, ZHANG Chunlong, ZHAO Qing， HUANG Guoping, YAN Fei. Coordinated Operation Strategy of Storage Battery SOC and Smoothing Wind Power Fluctuation[J]. Electric Power Construction, 2017, 38(1): 84-.

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储能电池荷电状态与平抑风电出力波动协调运行策略

Coordinated Operation Strategy of Storage Battery SOC and Smoothing Wind Power Fluctuation

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