Suzhou Electric Appliance Research Institute
期刊號(hào): CN32-1800/TM| ISSN1007-3175

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風(fēng)光互補(bǔ)發(fā)電系統(tǒng)MPPT及其逆變電源控制的研究

來(lái)源:電工電氣發(fā)布時(shí)間:2016-03-15 11:15 瀏覽次數(shù):651

風(fēng)光互補(bǔ)發(fā)電系統(tǒng)MPPT及其逆變電源控制的研究 

葛超銘,李少綱 
福州大學(xué) 電氣工程與自動(dòng)化學(xué)院,福建 福州 350108 
 

摘 要:為了實(shí)現(xiàn)風(fēng)光互補(bǔ)發(fā)電系統(tǒng)的最大功率點(diǎn)跟蹤(MPPT),根據(jù)風(fēng)能與太陽(yáng)能的特性,采用雙輸DC/DC變換器作為前級(jí)電路,在擾動(dòng)法的基礎(chǔ)上提出自調(diào)整MPPT控制策略,有效改善了系統(tǒng)的跟蹤速度,避免誤操作,減小工作點(diǎn)的震蕩,并提高了系統(tǒng)效率。針對(duì)逆變電源控制,把自動(dòng)調(diào)節(jié)反饋系數(shù)的PID控制系統(tǒng)與重復(fù)控制系統(tǒng)相結(jié)合,不僅提出復(fù)合控制算法,使系統(tǒng)具有較好的動(dòng)靜態(tài)特性,且改善了逆變器輸出波形的質(zhì)量。

關(guān)鍵詞:風(fēng)光互補(bǔ);最大功率點(diǎn)跟蹤;逆變電源;復(fù)合控制

中圖分類號(hào):TM614;TM615 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1007-3175(2013)02-0006-04


Study on Maximum Power Point Tracking and Inverter Control of Hybrid Photovoltaic-Wind Power Generation System 

GE Chao-ming, LI Shao-gang 
College of Electric Engineering and Automation, Fuzhou University, Fuzhou 350108, China 
 

Abstract: In order to realize maximum power point tracking (MPPT) of hybrid photovoltaic-wind power generation system, dual input DC/DC converter was adopted as the forward circuit according to features of wind energy and solar energy. On the basis of disturbance method, the self-adjusting MPPT control strategy was raised to have effectively improved tracking speed of the system, avoiding misoperation, reducing vibration of working point and raising the system efficiency. As for inverter control, the PID control system for auto-adjusting feeding coefficient was combined with the repetitive control system. This paper not only raised the repetitive control algorithm, making the system have better static and dynamic characteristics, but also improved quality of inverter output waveforms.
Key words: hybrid photovoltaic-wind; maximum power point tracking; inverter; repetitive control


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