一种并网BIPV的储能容量优化DFT方法
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摘要
光电与建筑一体化(BIPV)将成为新能源和建筑节能的有效途径,对此提出了一种BIPV储能容量优化的频谱分析方法。在并网运行方式下,基于微电网平滑功率波动所需可控功率的频谱分析结果,确定用于补偿功率偏差的控制容量需求以及辅助设备和系统机组提供控制容量的能力。计算结果表明,所提方法配置的储能容量相对较小,且能够恰好地满足微电网联络线功率控制目标,并有效平抑BIPV系统发电输出和负荷用电功率波动。
BIPV(Building Integrated with Photo Voltaic) will become an effective way to enhance the building energy efficiency,for which,a method of energy storage capacity optimization based on spectrum analysis is presented. The controllable power required to smooth the power fluctuation of microgrid in the grid-connecting operation mode is processed by spectrum analysis,the results of which are used to determine the control capacity required for power deviation compensation and the capability of unit and auxiliary devices to supply the control capacity. Calculation indicates that,the energy storage capacity configured by the proposed method is relatively smaller,which can just meet the power control target of microgrid tie-line and effectively smooth the power fluctuations of BIPV output and load.
BIPV(Building Integrated with Photo Voltaic) will become an effective way to enhance the building energy efficiency,for which,a method of energy storage capacity optimization based on spectrum analysis is presented. The controllable power required to smooth the power fluctuation of microgrid in the grid-connecting operation mode is processed by spectrum analysis,the results of which are used to determine the control capacity required for power deviation compensation and the capability of unit and auxiliary devices to supply the control capacity. Calculation indicates that,the energy storage capacity configured by the proposed method is relatively smaller,which can just meet the power control target of microgrid tie-line and effectively smooth the power fluctuations of BIPV output and load.
引文
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[3]北极星太阳能光伏网.小型光伏建筑受亲睐[EB/OL].(2011-07-06)[2014-09-04].http:∥guangfu.bjx.com.cn/news/20110706/293411.shtml.
[4]王成山,于波,肖峻,等.平滑微电网联络线功率波动的储能系统容量优化方法[J].电力系统自动化,2013,37(3):12-17.WANG Chengshan,YU Bo,XIAO Jun,et al.An energy storage system capacity optimization method for microgrid tie-line power flow stabilization[J].Automation of Electric Power Systems,2013,37(3):12-17.
[5]CHEN S X,GOOI H B,WANG M Q.Sizing of energy storage for microgrids[J].IEEE Transactions on Smart Grid,2012,3(1):142-151.
[6]李斌,宝海龙,郭力.光储微电网孤岛系统的储能控制策略[J].电力自动化设备,2014,34(3):8-15.LI Bin,BAO Hailong,GUO Li.Strategy of energy storage control for islanded microgrid with photovoltaic and energy storage system[J].Electric Power Automation Equipment,2014,34(3):8-15.
[7]MIZANI S,YAZDANI A.Optimal design and operation of a grid-connected microgrid[C]∥Proceedings of Electrical Power and Energy Conference.Montreal,USA:[s.n.],2009:1-6.
[8]熊雄,杨仁刚,李建林.多元复合储能系统在含微电网配电网中的容量配比[J].电力自动化设备,2014,34(10):40-47.XIONG Xiong,YANG Rengang,LI Jianlin.Capacity configuration of multi-element composite energy storage system in distribution system with microgrid[J].Electric Power Automation Equipment,2014,34(10):40-47.
[9]蒋玮,周赣,王晓东,等.一种适用于微电网混合储能系统的功率分配策略[J].电力自动化设备,2015,35(4):38-43,52.JIANG Wei,ZHOU Gan,WANG Xiaodong,et al.Bidirectional DC/DC converter based on PWM plus dual phase-shift control for microgrid storage system[J].Electric Power Automation Equipment,2015,35(4):38-43,52.
[10]王成山,于波,肖峻,等.平滑可再生能源发电系统输出波动的储能系统容量优化方法[J].中国电机工程学报,2012,32(16):1-8.WANG Chengshan,YU Bo,XIAO Jun,et al.Sizing of energy storage system for output smoothing of renewable energy system[J].Proceedings of the CSEE,2012,32(16):1-8.
[11]吴振威,蒋小平,马会萌,等.用于混合储能平抑光伏波动的小波包-模糊控制[J].中国电机工程学报,2014,34(3):317-324.WU Zhenwei,JIANG Xiaoping,MA Huimeng,et al.Wavelet packet-fuzzy control of hybrid energy storage systems for PV power smoothing[J].Proceedings of the CSEE,2014,34(3):317-324.
[12]欧阳名三,余世杰,沈玉.一种太阳能电池MPPT控制器实现及测试方法的研究[J].电子测量与仪器学报,2004,18(2):30-34.OUYANG Mingsan,YU Shijie,SHEN Yu.Implementation of MPPT controller in photovoltaic array and research of testing method[J].Journal of Electronic Measurement and Instrument,2004,18(2):30-34.
[13]FRUNT J,KLING W L,MYRZIK J M A.Classification of reserve capacity in future power systems[C]∥Proceedings of the6th International Conference on the European Energy Market.Leuven,Belgium:IEEE,2009:1-6.
[14]CARTWRIGHT M.Fourier methods for mathematicians,scientists and engineers[M].Chichester,England:Ellis Horwood Limited,1990:77-220.
[15]王虹富.并网风电场的有功功率补偿与稳定性控制[D].杭州:浙江大学,2010.WANG Hongfu.Active power compensation and stability control for grid-connected wind farms[D].Hangzhou:Zhejiang University,2010.