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

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五電平ANPC逆變器飛跨電容電壓簡(jiǎn)化控制策略

來(lái)源:電工電氣發(fā)布時(shí)間:2025-05-27 15:27瀏覽次數(shù):10

五電平ANPC逆變器飛跨電容電壓簡(jiǎn)化控制策略

張?chǎng)握\(chéng)1,金立峰2
(1 日照實(shí)華原油碼頭有限公司,山東 日照 276808;
2 國(guó)網(wǎng)山東省電力公司莒縣供電公司,山東 莒縣 276800)
 
    摘 要:為簡(jiǎn)化五電平有源中點(diǎn)鉗位(ANPC)逆變器工作時(shí)飛跨電容電壓控制難度較大且控制方式較為復(fù)雜的問(wèn)題,提出了一種基于簡(jiǎn)化虛擬矢量的五電平 ANPC 逆變器飛跨電容電壓模型預(yù)測(cè)控制策略。通過(guò)分析各個(gè)電壓矢量與電流流向之間的關(guān)系,簡(jiǎn)化傳統(tǒng)的調(diào)制方法合成虛擬矢量,并結(jié)合電流流向、調(diào)制波與載波的位置,在不同工作區(qū)間內(nèi)引入相應(yīng)虛擬矢量,實(shí)現(xiàn)五電平 ANPC 逆變器飛跨電容電壓控制。通過(guò)調(diào)制度靜態(tài)和動(dòng)態(tài)實(shí)驗(yàn),證明了所提出策略的有效性。
    關(guān)鍵詞: 五電平逆變器;簡(jiǎn)化虛擬矢量;飛跨電容電壓控制
    中圖分類號(hào):TM464     文獻(xiàn)標(biāo)識(shí)碼:B     文章編號(hào):1007-3175(2025)05-0038-07
 
Simplified Control Strategy for Flying Capacitor Voltage of
Five-Level ANPC Inverters
 
ZHANG Xin-cheng1, JIN Li-feng2
(1 Rizhao Shihua Crude Oil Terminal Co., Ltd, Rizhao 276808, China;
2 Juxian Power Supply Company of State Grid Shandong Electric Power Company, Juxian 276800, China)
 
    Abstract: To simplify the challenging voltage control and complex control methods of flying capacitors in five-level active neutral point clamped (ANPC) inverters during operation, this paper proposes a simplified virtual vector-based model predictive control strategy for flying capacitor voltage in five-level ANPC inverters. By analyzing the relationship between voltage vectors and current direction, the traditional modulation method is simplified to synthesize virtual vectors. Combined with current direction and the positions of modulation waves and carriers,appropriate virtual vectors are introduced in different operating intervals to achieve flying capacitor voltage control in five-level ANPC inverters.Both static and dynamic experiments under varying modulation indices demonstrate the effectiveness of the proposed strategy.
    Key words: five-level inverter; simplified virtual vector; flying capacitor voltage control
 
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