本文選題：無(wú)線電能傳輸 + 串串補(bǔ)償��； 參考：《電工技術(shù)學(xué)報(bào)》2017年18期

【摘要】：無(wú)線電能傳輸系統(tǒng)的拓?fù)湫柙趯採(cǎi)詈舷禂?shù)范圍內(nèi)具有平穩(wěn)傳輸功率的能力,傳統(tǒng)的全諧振串串補(bǔ)償拓?fù)鋵?duì)耦合系數(shù)較敏感,功率波動(dòng)程度較大,不適合用于耦合系數(shù)變化劇烈的場(chǎng)合,且存在輕載安全問題。本文提出一種一次側(cè)失諧的串串補(bǔ)償拓?fù)?分析在一次側(cè)失諧情況下的系統(tǒng)傳輸功率特性,結(jié)果表明該拓?fù)渚哂休^強(qiáng)的抗偏移能力,且不存在輕載安全問題。考慮額定功率和功率波動(dòng)程度兩個(gè)約束條件,對(duì)補(bǔ)償拓?fù)涞南嚓P(guān)參數(shù)進(jìn)行設(shè)計(jì),并對(duì)全諧振拓?fù)浜褪еC拓?fù)溥M(jìn)行補(bǔ)償電容容值及電池荷電狀態(tài)(SOC)的敏感性對(duì)比,討論一次側(cè)失諧設(shè)計(jì)對(duì)諧振腔效率的影響。最后搭建150W的實(shí)驗(yàn)平臺(tái),對(duì)該抗偏移特性進(jìn)行驗(yàn)證。實(shí)驗(yàn)結(jié)果表明在兩倍的耦合系數(shù)變化內(nèi),系統(tǒng)的輸出功率波動(dòng)程度能保持在20%以內(nèi),且系統(tǒng)效率維持在76%以上。
[Abstract]:The topology of radio energy transmission system needs to have the ability to transmit power stably in the wide coupling coefficient range. The traditional full resonant series compensation topology is sensitive to the coupling coefficient and has a large power fluctuation. It is not suitable for the situation where the coupling coefficient varies sharply, and there are light load safety problems. In this paper, a series compensation topology of primary side detuning is proposed, and the transmission power characteristics of the system under the condition of primary side detuning are analyzed. The results show that the topology has strong anti-migration ability and no light load security problem. Considering the two constraints of rated power and power fluctuation degree, the related parameters of compensation topology are designed, and the sensitivity of compensation capacitance capacity and battery charge state SOC are compared between full resonant topology and detuned topology. The effect of primary side detuning design on cavity efficiency is discussed. Finally, a 150 W experimental platform is built to verify the anti-migration characteristic. The experimental results show that the output power fluctuation of the system can be kept within 20% and the system efficiency is over 76% when the coupling coefficient changes twice.
【作者單位】： 強(qiáng)電磁工程與新技術(shù)國(guó)家重點(diǎn)實(shí)驗(yàn)室(華中科技大學(xué));
【基金】：國(guó)家自然科學(xué)基金國(guó)際(地區(qū))合作與交流項(xiàng)目(51361130150)資助
【分類號(hào)】：TM724

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