本文選題：PEBB + 數(shù)模混合驅(qū)動��； 參考：《浙江大學(xué)》2015年碩士論文

【摘要】：隨著電力電子器件不斷革新,電力電子技術(shù)已經(jīng)滲透入電力行業(yè)的各個領(lǐng)域。IGBT作為全控型器件的典型代表,以其各種優(yōu)越性能,得到廣泛應(yīng)用,并推動著電力電子技術(shù)向大功率、集成化、模塊化的方向發(fā)展。在電力電子模塊化系統(tǒng)中,IGBT驅(qū)動和模塊通信技術(shù)決定著整個系統(tǒng)的控制效率和可靠性,對系統(tǒng)的安全運(yùn)行至關(guān)重要。因此,本文以基于IGBT并聯(lián)的大功率PEBB模塊為研究對象,對IGBT模塊的高可靠驅(qū)動及通信技術(shù)進(jìn)行了研究。 本文研究了驅(qū)動電路的一般設(shè)計方法,對并聯(lián)驅(qū)動時的均流問題給出了一般性的解決方案。針對IGBT工作時可能會遇到的各種故障,給出了相應(yīng)的檢測方案,并著重研究了IGBT的開關(guān)尖峰電壓問題。在充分研究了傳統(tǒng)抑制開關(guān)尖峰電壓方法的基礎(chǔ)上,提出了一種數(shù)字實現(xiàn)的驅(qū)動脈沖邊沿調(diào)制技術(shù),并將該技術(shù)應(yīng)用到數(shù)�；旌向�(qū)動器上,實現(xiàn)了對開關(guān)尖峰電壓的抑制,克服了傳統(tǒng)方法需要增加額外的抑制電路的缺點,通用性強(qiáng)。 提出了一種適用于大規(guī)模電力電子模塊化系統(tǒng)的單光纖環(huán)網(wǎng)通信策略,克服了傳統(tǒng)并行通信中存在的隨著模塊數(shù)目增多,裝置連線復(fù)雜,安裝維護(hù)困難的問題。設(shè)計了單光纖環(huán)網(wǎng)通信協(xié)議,采用偽同步傳輸方式及特殊的延時補(bǔ)償策略,使得每個模塊的通信延時降低,控制達(dá)到同步性提高。 最后,設(shè)計了基于IGBT并聯(lián)的半橋功率模塊,并用所設(shè)計的功率模塊搭建了一個單相H橋逆變器,驗證了本文中所提方法在主功率下的正確性和實用性。
[Abstract]:With the continuous innovation of power electronic devices, power electronics technology has penetrated into all fields of the power industry. IGBT as a typical representative of full-control devices, with its various superior performance, has been widely used. And promote the power electronics technology to the direction of high power, integration, modularization. In the power electronic modularization system, IGBT driver and module communication technology determine the control efficiency and reliability of the whole system, which is very important to the safe operation of the system. Therefore, the high reliability driving and communication technology of IGBT module is studied in this paper, which is based on IGBT parallel high power PEBB module. In this paper, the general design method of drive circuit is studied, and a general solution to the problem of current sharing in parallel drive is given. In view of various faults that may occur in IGBT, the corresponding detection scheme is given, and the problem of switching peak voltage of IGBT is studied emphatically. Based on the study of the traditional method of suppressing the switching peak voltage, a digital actuated pulse edge modulation technique is proposed and applied to the digital-analog hybrid driver to suppress the switching peak voltage. It overcomes the shortcoming that the traditional method needs to add extra suppression circuit and has strong generality. This paper presents a single fiber loop network communication strategy for large scale power electronic modularized systems, which overcomes the problems existing in traditional parallel communication, such as the increase of the number of modules, the complex connection of devices, and the difficulty of installation and maintenance. The communication protocol of single fiber optic ring network is designed. The pseudo-synchronous transmission mode and special delay compensation strategy are adopted to reduce the communication delay of each module and to improve the synchronization of control. Finally, a half-bridge power module based on IGBT parallel connection is designed, and a single-phase H-bridge inverter is built with the designed power module, which verifies the correctness and practicability of the proposed method under the main power.
【學(xué)位授予單位】：浙江大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TN322.8

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