高压增益升压dc-dc变换器开关电流应力的计算

2015 International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles (ESARS) Pub Date : 2015-03-03 DOI:10.1109/ESARS.2015.7101516

E. Babaei, Azadeh Mofidi, S. Laali

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引用次数: 3

摘要

本文研究了高压增益升压dc-dc变换器的工作原理。本研究包括计算连续导通模式(CCM)、断续导通模式(DCM)、完全电感供电模式(CISM)和不完全电感供电模式(IISM)之间的临界电感。然后，在DCM和CCM中计算开关的峰值电流。在此基础上，研究了各电学参数对功率开关峰值电流的影响，提出了一种考虑开关电流应力和滤波器尺寸的最小化输出电压纹波(OVR)的方法。最后，利用EMTDC/PSCAD软件程序中的仿真结果验证了所提出的理论问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Calculation of switching current stress in high voltage gain boost dc-dc converter

The operation of a high voltage gain boost dc-dc converter is investigated in this paper. This investigation consists of the calculation the critical inductance between continuous conduction mode (CCM), discontinuous conduction mode (DCM), complete inductor supply mode (CISM) and incomplete inductor supply mode (IISM). Then, the switches peak current is calculated in DCM and CCM. Moreover, the effect of the electrical parameters in the peak current of power switches is investigated and a method to minimize the output voltage ripple (OVR) by considering minimum switching current stress and size of filter is proposed. Finally, in order to verify the presented theoretical issues, the simulation results in EMTDC/PSCAD software program are used.

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2015 International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles (ESARS)

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