考虑抗扰性能的风电混合储能系统协调控制策略研究

吴冠男; 张明理; 徐建源; 史喆; 张晓天

引用本文:	吴冠男,张明理,徐建源,等.考虑抗扰性能的风电混合储能系统协调控制策略研究[J].电力系统保护与控制,2017,45(22):164-169.
	WU Guannan,ZHANG Mingli,XU Jianyuan,et al.Study on coordination control of wind power hybrid energy storage system in consideration of anti-disturbance performance[J].Power System Protection and Control,2017,45(22):164-169

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考虑抗扰性能的风电混合储能系统协调控制策略研究
吴冠男¹,张明理²,徐建源¹,史喆²,张晓天²
(1.沈阳工业大学，电气工程学院，辽宁沈阳 110870; 2.国网辽宁电力有限公司经济技术研究院，规划评审中心，辽宁沈阳 110015)

摘要:

为风电场增加储能系统是平抑风电输出功率波动的有效措施之一。首先，通过对风电场出力进行频率分析，提出采用超级电容搭配蓄电池的混合储能方案平抑风电出力波动中的主要分量，并给出了一种混合储能系统模糊滑模控制策略，采用模糊控制器消除滑模控制器的高频抖振现象。然后，在RTLAB平台上搭建风电混合储能系统仿真模型。通过分析控制系统在扰动作用下的阶跃响应，验证了模糊滑模控制器的高抗扰性能。最后，仿真计算了采用模糊滑模控制策略前后储能设备的出力情况和荷电状态，进一步验证了该控制策略对风电出力平抑和提高系统抗扰性能的作用。

关键词: 风电小波包分解混合储能模糊滑模功率平滑

DOI：10.7667/PSPC161831

分类号:

基金项目:

Study on coordination control of wind power hybrid energy storage system in consideration of anti-disturbance performance

WU Guannan¹,ZHANG Mingli²,XU Jianyuan¹,SHI Zhe²,ZHANG Xiaotian²

(1. School of Electrical Engineering, Shenyang University of Technology, Shenyang 110870, China;2. Programming and Appraisal Center, State Grid Liaoning Economic Research Institute, Shenyang 110015, China)

Abstract:

Using energy storage system is an effective measure to compensate wind power fluctuation. First, this paper proposes to use hybrid storage energy system to compensate main components according to frequency content analysis of wind power fluctuation. This system consists of storage battery and super-capacitor. And then, it sets up fuzzy sliding control strategy of hybrid energy storage system. The fuzzy controller can eliminate chattering of sliding controller. According to step response of control system under disturbance, it verifies the high immunity performance of fuzzy sliding controller by the wind power hybrid energy storage system simulation model on RTLAB. At last, the simulation calculation shows the output and state of charge (SOC) of energy storage system, which verifies the effectiveness of the hybrid energy storage system controller on compensating the fluctuation and improving disturbance rejection.

Key words: wind power wavelet packet decomposition hybrid energy storage fuzzy sliding power smooth

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