【摘要】：針對輔助諧振變換極型逆變器在實(shí)際應(yīng)用中輔助開關(guān)管難以實(shí)現(xiàn)零電壓關(guān)斷(zero voltage switch,ZVS)這一問題,在一種改進(jìn)型諧振極逆變器回路拓?fù)涞幕A(chǔ)上提出一種雙輔助諧振極型軟開關(guān)逆變器回路拓?fù)浼罢{(diào)制策略。它不僅具有以前討論過的輔助諧振極逆變器的所有優(yōu)點(diǎn),而且可有效避免因回路配線形態(tài)所帶來的回路寄生電感和寄生電容對輔助開關(guān)管的ZVS關(guān)斷所造成的影響,確保輔助開關(guān)管可靠的實(shí)現(xiàn)ZVS關(guān)斷。在所提調(diào)制策略下,根據(jù)不同工作模式下的等效電路圖,分析該逆變器的工作原理、軟開關(guān)實(shí)現(xiàn)條件及參數(shù)設(shè)計方法。最后使用絕緣柵雙極型晶體管作為開關(guān)器件制作一臺10 k W、16 k Hz樣機(jī),通過實(shí)驗(yàn)驗(yàn)證該逆變器的有效性。
[Abstract]:The problem that the auxiliary switch tube is difficult to achieve zero voltage switch (ZVS) is difficult to realize in the practical application of the auxiliary resonant transformation pole type inverter, On the basis of an improved resonant-pole inverter loop topology, a double-auxiliary resonant pole-type soft-switch inverter loop topology and modulation strategy are proposed. Not only has all the advantages of the auxiliary resonant pole inverter previously discussed, but also can effectively avoid the influence of the loop parasitic inductance and the parasitic capacitance caused by the loop wiring form on the ZVS shutdown of the auxiliary switching tube, and ensure that the auxiliary switch tube is reliable to realize the ZVS shutdown. Under the proposed modulation strategy, according to the equivalent circuit diagram of different working modes, the working principle of the inverter, the implementation condition of the soft switch and the method of parameter design are analyzed. Finally, an insulated gate bipolar transistor is used as a switching device to make a 10k W, 16k Hz prototype, and the effectiveness of the inverter is verified by experiment.
【作者單位】： 東北大學(xué)信息科學(xué)與工程學(xué)院;
【基金】：中央高校基本科研業(yè)務(wù)費(fèi)資助(N120404004,N130104001)~~
【分類號】：TM464

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