【摘要】：為解決諧振參數容差導致感應電能傳輸系統(tǒng)失諧現象,該文采用在原邊線圈并繞測量線圈的技術,以原邊回路電流與測量線圈電路電壓進行矢量運算得到的兩者相位差為反饋量,間接獲得副邊回路的諧振狀態(tài),通過控制逆變器的輸出電壓頻率,使副邊回路恢復諧振狀態(tài),增大副邊回路中負載的電壓增益和系統(tǒng)輸出功率,達到提高系統(tǒng)的電能傳輸效率的目的。實驗結果表明,所采用的方法能夠有效使副邊回路恢復諧振狀態(tài),增大副邊回路中的負載電壓和系統(tǒng)輸出功率,提高系統(tǒng)的電能傳輸效率。相對于系統(tǒng)調頻調諧前,在諧振參數容差導致副邊回路呈感性的情況下,調頻調諧后系統(tǒng)輸出功率最大提升144.15W,傳輸效率最大提升1.21%;在諧振參數容差導致副邊回路呈容性的情況下,調頻調諧后系統(tǒng)輸出功率最大提升245.49W,傳輸效率最大提升1.72%。
[Abstract]:In order to solve the detuning phenomenon of induction power transmission system caused by the tolerance of resonant parameters, this paper adopts the technique of measuring coils and coils on the original side. Taking the phase difference between the primary current and the voltage of the measuring coil circuit as feedback, the resonant state of the auxiliary circuit is obtained indirectly. By controlling the frequency of the output voltage of the inverter, the resonant state of the secondary circuit is restored. By increasing the voltage gain of the load and the output power of the system, the power transmission efficiency of the system can be improved. The experimental results show that the proposed method can effectively restore the resonant state of the auxiliary circuit, increase the load voltage and the output power of the system, and improve the power transmission efficiency of the system. Compared with the frequency modulation tuning system, the maximum output power is 144.15W and the transmission efficiency is 1.21 when the resonant parameter tolerance leads to inductance of the secondary side loop. When the resonant parameter tolerance results in the capacitive performance of the secondary side loop, the maximum output power is 245.49 W, and the transmission efficiency is 1.72%.
【作者單位】： 西南交通大學電氣工程學院;
【基金】：國家杰出青年科學基金(51525702) 四川省青年科技基金(2016JQ0033)~~
【分類號】：TM724

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本文編號：2394156