本文選題：高頻逆變　切入點(diǎn)：電鍍　出處：《華南理工大學(xué)》2014年碩士論文

【摘要】：隨著時(shí)代的發(fā)展，傳統(tǒng)的電鍍電源已經(jīng)不能滿足要求。高頻開(kāi)關(guān)電源具有許多顯著優(yōu)點(diǎn)，廣泛應(yīng)用于電鍍電源中。但目前高頻開(kāi)關(guān)電鍍電源主要采用硬開(kāi)關(guān)變換模式。在環(huán)境保護(hù)、能源節(jié)約、電磁干擾日益得到重視的當(dāng)今社會(huì)，硬開(kāi)關(guān)方式已很難滿足要求。從而引出了軟開(kāi)關(guān)技術(shù)。采用軟開(kāi)關(guān)技術(shù)研究高頻軟開(kāi)關(guān)電鍍電源是電鍍工藝發(fā)展的必然。 本文首先介紹了電鍍電源的發(fā)展過(guò)程與趨勢(shì)，引出了高頻軟開(kāi)關(guān)電鍍電源。然后通過(guò)分析確定了主電路拓?fù)�。接著具體分析了主電路的工作原理，電鍍電源的硬件與軟件設(shè)計(jì)。在主電路工作原理方面，本文在前人的基礎(chǔ)上，通過(guò)分析提出了用20μH的小線性電感代替大飽和電感的方法。然后通過(guò)仿真輔助，分析了主電路的ZVS軟開(kāi)關(guān)的實(shí)現(xiàn)方式及其工作原理。該方法同樣實(shí)現(xiàn)了滯后臂在全負(fù)載范圍內(nèi)的ZVS，且大大減小了電感體積，降低了成本。在電源硬件方面，完成了主電路及控制電路的硬件設(shè)計(jì)。在系統(tǒng)軟件方面，，基于TMS320F2812芯片和TDS510仿真器，編寫(xiě)完成了軟件系統(tǒng)。 最后試制一臺(tái)電鍍電源樣機(jī)，并進(jìn)行了相關(guān)實(shí)驗(yàn)。實(shí)驗(yàn)結(jié)果表明其輸出波形與仿真結(jié)果一致，電源輸出穩(wěn)定，輸出波形良好，且軟開(kāi)關(guān)效果明顯，滿足設(shè)計(jì)要求。
[Abstract]:With the development of the times, the traditional electroplating power supply has been unable to meet the requirements. It is widely used in electroplating power supply. But at present, high frequency switch electroplating power supply mainly adopts hard switching mode. In today's society, environmental protection, energy saving and electromagnetic interference are paid more and more attention. It is difficult to meet the requirements of hard switching mode, which leads to the soft switching technology. It is inevitable for the development of electroplating technology to study the high frequency soft switch electroplating power supply with soft switch technology. This paper first introduces the development process and trend of electroplating power supply, leads out the high frequency soft switch electroplating power supply, then determines the topology of main circuit through analysis, and then analyzes the working principle of main circuit in detail. Hardware and software design of electroplating power supply. Based on the working principle of main circuit, this paper puts forward a method of replacing large saturation inductance with 20 渭 H small linear inductor on the basis of analysis. This paper analyzes the realization mode and working principle of ZVS soft switch in main circuit. This method also realizes the ZVSs of the hysteresis arm in the full load range, and greatly reduces the volume of inductor and the cost. In the aspect of power supply hardware, The hardware design of the main circuit and control circuit is completed, and the software system is completed based on TMS320F2812 chip and TDS510 simulator. Finally, a prototype of electroplating power supply is produced, and the experiment results show that the output waveform is consistent with the simulation results, the output of the power supply is stable, the output waveform is good, and the effect of soft switch is obvious, which meets the design requirements.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN86

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本文編號(hào)：1657998