【摘要】：電力電子系統(tǒng)性能評估有不同的評價指標(biāo),其中器件利用率是一個很重要的指標(biāo),但鮮有系統(tǒng)化的評價方法。在電力電子系統(tǒng)設(shè)計過程中,對于半導(dǎo)體開關(guān)器件的選型主要由工程經(jīng)驗確定,沒有定量方法的指導(dǎo)。以電能路由器為例,提出一種計算和評估電力電子系統(tǒng)中器件利用率的方法,應(yīng)用于各種不同的組合電路中,通過對電路及器件參數(shù)的分析與計算,得到器件利用率的結(jié)果。器件利用率的數(shù)值越高,說明器件利用程度越高。對不同方案的器件利用率進(jìn)行計算與比較,得出不同方案中器件利用程度的定量對比結(jié)果,以此作為器件選型的定量依據(jù)。通過具體實例分析器件利用率的應(yīng)用場景,驗證了器件利用率計算和評估方法的有效性。
[Abstract]:Power electronic system performance evaluation has different evaluation indexes, among which device utilization ratio is an important index, but there are few systematic evaluation methods. In the process of power electronic system design, the selection of semiconductor switch devices is mainly determined by engineering experience, without the guidance of quantitative method. Taking electric power routers as an example, a method for calculating and evaluating the utilization ratio of devices in power electronic systems is presented. It is applied to various kinds of combinational circuits. By analyzing and calculating the circuit and device parameters, the results of device utilization are obtained. The higher the device utilization ratio is, the higher the device utilization degree is. The device utilization ratio of different schemes is calculated and compared, and the quantitative comparison results of device utilization degree in different schemes are obtained, which can be used as the quantitative basis for device selection. By analyzing the application scenario of the device utilization ratio, the validity of the calculation and evaluation method is verified.
【作者單位】： 清華大學(xué)電機(jī)系電力系統(tǒng)及發(fā)電設(shè)備安全控制和仿真國家重點實驗室;
【基金】：國家自然科學(xué)基金重大項目資助(51490680、51490683)
【分類號】：TM46;TM74

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