發(fā)布時間：2018-10-31 06:39

【摘要】：非接觸式電能傳輸(ICPT, Inductively Coupled Power Transfer)系統(tǒng)以電磁感應(yīng)定律為基礎(chǔ),結(jié)合現(xiàn)代電力電子元件變頻、電容無功補償?shù)燃夹g(shù),將電能由一次側(cè)線圈經(jīng)由空氣間隙有效傳輸?shù)蕉�次�?cè)線圈,從而實現(xiàn)電能在無電氣連接情況下的傳輸。目前,國內(nèi)外對該課題有一定的研究,部分國家已將研究成果初步投入了實際應(yīng)用。 本論文針對非接觸式電能傳輸系統(tǒng)疏松耦合的性質(zhì),以有限元仿真計算為手段,對非接觸式電能傳輸系統(tǒng)中疏松耦合變壓器的相關(guān)參數(shù)進行研究和分析,通過電路分析、仿真計算、優(yōu)化設(shè)計,達到了增加輸出功率、提高傳輸效率的目的。 首先系統(tǒng)地分析了非接觸式電能傳輸系統(tǒng)疏松耦合變壓器的基本工作原理；建立了非接觸式電能傳輸系統(tǒng)仿真計算的模型,利用三維有限元法對其電磁參數(shù)進行了計算,并搭建了實驗平臺,設(shè)計了含有鐵芯的疏松耦合變壓器電感參數(shù)測量實驗,驗證利用有限元法計算電感參數(shù)的可行性;利用這種方法,對比分析非接觸式電能傳輸系統(tǒng)中疏松耦合變壓器在不同氣隙厚度、不同橫向側(cè)移距離、縱向側(cè)移距離下電感參數(shù)的變化規(guī)律；在此基礎(chǔ)上,將磁場參數(shù)抽象于電路模型中,并基于電路理論實現(xiàn)了疏松耦合變壓器一次側(cè)、二次側(cè)的解耦,研究系統(tǒng)在諧振情況下的輸入功率、輸出功率及傳輸效率的影響因素,綜合電感參數(shù)、頻率、負載電阻等系統(tǒng)參數(shù)對非接觸式電能傳輸系統(tǒng)進行優(yōu)化設(shè)計。
[Abstract]:Non-contact power transmission (ICPT, Inductively Coupled Power Transfer) system is based on the law of electromagnetic induction, combined with modern power electronic components frequency conversion, capacitive reactive power compensation and other technologies. The electric energy is effectively transferred from the primary side coil through the air gap to the secondary side coil so as to realize the transmission of the electric energy without electrical connection. At present, there is some research on this subject at home and abroad, and some countries have put the research results into practical application. Aiming at the loose coupling property of non-contact power transmission system, this paper studies and analyzes the relevant parameters of loosely coupled transformer in non-contact power transmission system by means of finite element simulation calculation, and analyzes the circuit by circuit analysis. Through simulation and optimization, the output power is increased and the transmission efficiency is improved. Firstly, the basic working principle of loosely coupled transformer in contactless power transmission system is analyzed systematically. The simulation model of contactless power transmission system is established, and the electromagnetic parameters are calculated by using three-dimensional finite element method. The experimental platform is built, and the measurement experiment of inductance parameters of loosely coupled transformer with iron core is designed. The feasibility of calculating inductance parameters by finite element method is verified. By using this method, the variation of inductance parameters of loosely coupled transformers in non-contact power transmission systems under different air gap thickness, different lateral displacement distance and longitudinal lateral displacement distance is compared and analyzed. On this basis, the magnetic field parameters are abstracted from the circuit model, and the decoupling of the primary and secondary sides of the loosely coupled transformer is realized based on the circuit theory, and the input power of the system under the condition of resonance is studied. The influence factors of output power and transmission efficiency, combined with inductance parameters, frequency, load resistance and other system parameters, are used to optimize the design of non-contact power transmission system.
【學位授予單位】：華北電力大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM724

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本文編號：2301276