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内蕴运行寿命测算的混合储能系统控制策略设计
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针对电池-超级电容器构成的混合储能系统(HESS),提出了一种基于低通滤波原理的HESS控制策略。基于滑动平均值原理确定电池参考输出功率,以实现电池对风电功率趋势性波动分量的控制,而超级电容器用以平抑风电功率中的快变波动分量;通过评估电池充放电状态,构建了内蕴运行寿命测算的HESS控制策略性能评价方法。基于某风电场实际运行数据,仿真分析了低通滤波截止频率、滑动平均值时间尺度等对HESS中电池运行寿命的影响,并给出了相应控制参数的参考值以延长电池运行寿命。研究结果对HESS的工程应用具有理论指导作用。

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国家高技术研究发展计划(863计划)

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Control Strategy Design for Hybrid Energy Storage System with Intrinsic Operation Life Measurement and Calculation
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A control strategy based on the principle of low-pass filtering for the hybrid energy storage system(HESS)composed of battery and supercapacitor is proposed.The reference output power of the battery is determined according to the principle of moving average.The main part of wind power fluctuation is smoothed by the battery,while the remaining component with high frequency is smoothed by the supercapacitor.By assessing the charging and discharging status of the battery,a performance evaluation method with intrinsic operation life measurement and calculation for the HESS control strategy is developed.Based on the actual operation data of a wind farm,the effect of the cut-off frequency of the low-pass filter and the time scale of moving average on the operation life of the battery in HESS is analyzed by simulation.Besides,reference values of relevant control parameters are given to prolong the operation life of the battery.Research results provide a theoretical reference to the application of HESS.

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引用本文
[1]严干贵 ,朱星旭 ,李军徽 ,等.内蕴运行寿命测算的混合储能系统控制策略设计[J].电力系统自动化,2013,37(1):110-114. DOI:10.7500/AEPS201208140.
YAN Gangui, ZHU Xingxu, LI Junhui, et al. Control Strategy Design for Hybrid Energy Storage System with Intrinsic Operation Life Measurement and Calculation[J]. Automation of Electric Power Systems, 2013, 37(1):110-114. DOI:10.7500/AEPS201208140.
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  • 收稿日期:2012-08-17
  • 最后修改日期:2012-12-18
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  • 在线发布日期: 2013-01-06
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