電場(chǎng)耦合無(wú)線(xiàn)電能傳輸系統(tǒng)負(fù)載軟切換控制技術(shù)
[Abstract]:The removal or input of the load changes the topology of the electric-field coupled radio transmission (ECPT) system, which usually causes a great impact on the switch tube and makes the system unable to work properly. In order to solve this problem, the basic characteristics of ECPT system based on class E converter are analyzed. By using the characteristics of the equivalent circuit of the system before and after the load removal, the necessary conditions for realizing the soft switching of the system load are given. A parameter design method is proposed to enable the system to realize the soft switching of the load at a fixed working frequency. Finally, a set of parameters are obtained by using this method, and the simulation model of the system is constructed under the Matlab simulation platform and the experimental circuit is built. The simulation and experimental results verify the feasibility of the method. The system provides the required power for the load when the load is put in and works in a stable state. The system efficiency is more than 85%, and the system works in the low power state after the load is removed.
【作者單位】: 輸配電裝備及系統(tǒng)安全與新技術(shù)國(guó)家重點(diǎn)實(shí)驗(yàn)室(重慶大學(xué));重慶大學(xué)自動(dòng)化學(xué)院;
【基金】:國(guó)家自然科學(xué)基金(51477020、61573074) 中央高;究蒲袠I(yè)務(wù)費(fèi)(106112015CDJXY170002)資助項(xiàng)目
【分類(lèi)號(hào)】:TM724
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