基于电压-功率扫描的光伏多峰快速MPPT方法Photovoltaic Multi-peak Fast MPPT Method Based on Voltage-power Scanning
宁平华;胡雪峰;陈乐柱;丁鑫龙;张奇;
摘要(Abstract):
针对现有光伏最大功率点跟踪MPPT(maximum power point tracking)技术在功率多峰值情况下的不足,提出一种基于电压-功率扫描的多峰快速MPPT方法。首先通过仿真分析了光伏陈列在局部阴影状态下的输出特性;然后提出通过对光伏输出端并联电容的电压-功率扫描实现现况下全局最大功率点识别的总体思路;紧接着给出了实现端口电压扫描的主电路拓扑,并对其进行了状态分析和控制算法设计;最后对所提方案进行了Matlab仿真与样机试验验证。结果表明,该方案能稳定、快速、有效地实现对当前全局最大功率点的追踪与锁定。
关键词(KeyWords): 电压-功率扫描;光伏;功率多峰值;最大功率点跟踪技术
基金项目(Foundation): 国家自然科学基金资助项目(51577002);; 安徽省高校省级自然科学研究资助重点项目(KJ2016A696,KJ2018A0946,KJ2016A697,KJ2017A893,KJ2017A895);; 安徽省高校优秀青年人才支持计划资助重点项目(gxyqZD2018105)
作者(Author): 宁平华;胡雪峰;陈乐柱;丁鑫龙;张奇;
Email:
DOI: 10.19635/j.cnki.csu-epsa.000185
参考文献(References):
- [1]王云平,李颖,阮新波(Wang Yunping,Li Ying,Ruan Xinbo).基于局部阴影下光伏阵列电流特性的最大功率点跟踪算法(Maximum power point tracking algorithm for photovoltaic array under partial shading based on current property)[J].电工技术学报(Transactions of China Electrotechnical Society),2016,31(14):201-210,218.
- [2]杨永恒,周克亮(Yang Yongheng,Zhou Keliang).光伏电池建模及MPPT控制策略(Photovoltaic cell modeling and MPPT control strategies)[J].电工技术学报(Transactions of China Electrotechnical Society),2011,26(S1):229-234.
- [3]荣德生,刘凤(Rong Desheng,Liu Feng).改进型扰动观察法在光伏MPPT中的研究(Application of improved perturbation and observation method to photovoltaic MPPT)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2017,29(3):104-109.
- [4] Kjaer S B. Evaluation of the“Hill climbing”and the“Incremental conductance”maximum power point trackers for photovoltaic power systems[J]. IEEE Trans on Energy Conversion,2012,27(4):922-929.
- [5] Mishima T,Ohnishi T. Power compensation system for partially shaded PV array using electric double layer capacitors[C]//28th Annual Conference of the IEEE Industrial Electronics Society. Sevilla,Spain,2002:3262-3267.
- [6] Villa L F L,Picault D,Raison B,et al. Maximizing the power output of partially shaded photovoltaic plants through optimization of the interconnections among its modules[J]. IEEE Journal of Photovoltaics,2012,2(2):154-163.
- [7] Villa L F L,Ho T P,Crebier J C,et al. A power electronics equalizer application for partially shaded photovoltaic modules[J]. IEEE Trans on Industrial Electronics,2013,60(3):1179-1190.
- [8]盛四清,陈玉良,张晶晶(Sheng Siqing,Chen Yuliang,Zhang Jingjing).基于差分进化人工蜂群算法的光伏最大功率点跟踪策略研究(Research on maximum power tracking strategy based on differential evolution artificial bee colony algorithm of photovoltaic system)[J].电力系统保护与控制(Power System Protection and Control),2018,46(11):23-29.
- [9]高相铭,杨世凤,潘三博(Gao Xiangming,Yang Shifeng,Pan Sanbo).基于混沌量子蜂群优化SVR的多峰MPPT算法研究(Research on multi-peak MPPT algorithm based on SVR optimized by chaotic quantum-inspired artificial bee colony)[J].电气传动(Electric Drive),2015,45(12):55-60.
- [10] Ishaque K,Salam Z. A deterministic particle swarm optimization maximum power point tracker for photovoltaic system under partial shading condition[J]. IEEE Trans on Industrial Electronics,2013,60(8):3195-3206.
- [11]戚军,陈怡,周文委(Qi Jun,Chen Yi,Zhou Wenwei).局部阴影下光伏阵列自适应MPPT方法研究(Research on adaptive MPPT method for PV array under partial shade)[J].太阳能学报(Acta Energiae Solaris Sinica),2015,36(5):1182-1189.
- [12]李兴鹏,石庆均,江全元(Li Xingpeng,Shi Qingjun,Jiang Quanyuan).双模糊控制法在光伏并网发电系统MPPT中的应用(Application of double fuzzy control in MPPT of grid-connected photovoltaic generation system)[J].电力自动化设备(Electric Power Automation Equipment),2012,32(8):113-117.
- [13]阳同光,桂卫华(Yang Tongguang,Gui Weihua).神经网络反推控制在光伏系统最大功率点跟踪中的应用(Maximum power point tracking of PV system based on neural network back stepping control)[J].太阳能学报(Acta Energiae Solaris Sinica),2016,37(12):3030-3036.
- [14] Punitha K,Devaraj D,Sakthivel S. Artificial neural network based modified incremental conductance algorithm for maximum power point tracking in photovoltaic system under partial shading conditions[J]. Energy,2013,62:330-340.
- [15]吴志程,江智军,杨晓辉(Wu Zhicheng,Jiang Zhijun,Yang Xiaohui).一种基于功率闭环控制的改进全局MPPT方法(An improved global MPPT method based on power closed-loop control)[J].电力系统保护与控制(Power System Protection and Control),2018,46(1):57-62.
- [16] Vorperian V. Simplified analysis of PWM converters using model of PWM switch. II. Discontinuous conduction mode[J]. IEEE Trans on Aerospace and Electronic Systems,1990,26(3):497-505.
- [17]孙孝峰,袁野,王宝诚,等(Sun Xiaofeng,Yuan Ye,Wang Baocheng,et al).零电压开关三电平Buck-Boost双向变换器(Zero-voltage switching three-level buck-boost bidirectional converter)[J].电工技术学报(Transactions of China Electrotechnical Society),2018,33(2):293-300.
- [18]覃承业(Qin Chengye).一种新型电源——CUK变换器(A new type of power supply—CUK converter)[J].四川邮电技术(Sichuan Post and Telecommunication Technology),1984(4):5-22.