基于感應(yīng)耦合電能傳輸方式的電動(dòng)汽車(chē)充電裝置研究
本文關(guān)鍵詞：基于感應(yīng)耦合電能傳輸方式的電動(dòng)汽車(chē)充電裝置研究 出處：《北京交通大學(xué)》2014年碩士論文 論文類型：學(xué)位論文
更多相關(guān)文章： 感應(yīng)耦合 功率傳輸 補(bǔ)償拓?fù)?/b> 耦合器
【摘要】：化石燃料的緊缺以及環(huán)境污染的加劇促進(jìn)了電動(dòng)汽車(chē)的發(fā)展,除了傳統(tǒng)有線接插頭充電方式外,近些年發(fā)展起來(lái)的電動(dòng)汽車(chē)無(wú)線充電方式成為國(guó)內(nèi)外科研機(jī)構(gòu)的研究熱點(diǎn),具有很好的應(yīng)用前景。 本文首先介紹了感應(yīng)耦合無(wú)線電能傳輸(ICPT)裝置的基本結(jié)構(gòu)和耦合器的等效模型,根據(jù)其結(jié)構(gòu)特點(diǎn)以及針對(duì)電動(dòng)汽車(chē)充電的要求,總結(jié)出感應(yīng)耦合無(wú)線電能傳輸裝置的設(shè)計(jì)要點(diǎn),并根據(jù)設(shè)計(jì)要點(diǎn)探討了一種實(shí)用的設(shè)計(jì)方法,研究了四種基本補(bǔ)償拓?fù)湎碌南到y(tǒng)設(shè)計(jì)參數(shù)。 其次分析了四種基本補(bǔ)償電路下耦合系數(shù)變化、負(fù)載變化對(duì)功率傳輸能力和諧振電容電壓電流應(yīng)力大小的影響,以及頻率變化對(duì)功率傳輸能力和原邊反映阻抗的影響。在此基礎(chǔ)上,研究了一種新型的SPP補(bǔ)償拓?fù)浣Y(jié)構(gòu),并通過(guò)理論分析確定了補(bǔ)償電容的取值方法。MATLAB仿真驗(yàn)證了該補(bǔ)償拓?fù)浣Y(jié)合了串聯(lián)補(bǔ)償和并聯(lián)補(bǔ)償?shù)膬?yōu)點(diǎn),既滿足了功率傳輸能力的要求,又減小了諧振電容的電壓電流應(yīng)力。 最后根據(jù)上文分析結(jié)果,設(shè)計(jì)了耦合器,測(cè)試了耦合器的原副邊線圈在不同氣隙下耦合系數(shù)的大小,最終搭建了3kW感應(yīng)耦合無(wú)線電能傳輸裝置實(shí)驗(yàn)樣機(jī),實(shí)驗(yàn)驗(yàn)證了理論分析的正確性和設(shè)計(jì)的合理性。該裝置的系統(tǒng)效率在氣隙為12cm時(shí)可達(dá)80%以上,氣隙為20cm時(shí)效率為67%。
[Abstract]:The shortage of fossil fuels and the aggravation of environmental pollution have promoted the development of electric vehicles. In addition to the traditional way of wired plug charging, the development of electric vehicle charging mode in recent years has become a research hotspot at home and abroad, and has a good application prospect.
This paper first introduces the inductively coupled wireless power transmission (ICPT) equivalent model of the basic structure and the coupling device, according to its structural characteristics and requirements for electric vehicle charging, summed up the design points of inductively coupled radio transmission device, and according to the design of a practical design method is discussed, the system design parameters four basic compensation topology.
Followed by an analysis of the changes of coupling coefficients of four kinds of basic compensation circuit, the load change on the power transfer capability of the resonant capacitor voltage and current stress size, frequency and impedance changes reflect influence on power transmission capacity and the primary. On this basis, the research of SPP compensation topology structure of a new type, and through theory analysis of the calculating method of compensation capacitor.MATLAB simulations show that the compensation topology combines the advantages of series compensation and shunt compensation, not only to meet the requirements of power transmission capability, and reduce the voltage of the resonant capacitor current stress.
Finally, according to the above analysis results, the design of coupler, size of coils at different air gap coupling coefficient of the coupler, the test, finally built a 3kW inductively coupled wireless power transmission device experimental prototype, experimental results verify the correctness of theory analysis and design. The rationality of the system efficiency of the device in the air gap is 12cm when the air gap is more than 80%, 20cm efficiency is 67%.
【學(xué)位授予單位】：北京交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM910.6;U469.72
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