PWM方法和负载配置对并联三相逆变器中电池间变压器设计的影响

2013 IEEE 11th International Workshop of Electronics, Control, Measurement, Signals and their application to Mechatronics Pub Date : 2013-06-24 DOI:10.1109/ECMSM.2013.6648940

B. Cougo, T. Meynard, G. Gateau

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引用次数: 9

摘要

应用于转换器并联关联的交错技术提供了输出电流纹波的减少和其频率的增加，导致相关滤波器的减少。并联换相单元的最佳方法是利用单元间变压器(ICT)。这种特殊磁性元件的设计很大程度上取决于流经其磁芯的磁通量。如果在三相系统中使用ict，则可以通过不同的PWM方法修改该磁链。本文的主要目的是展示不同的PWM方法(与载波配置有关，也与零序列信号注入有关)如何影响在三相系统的不同拓扑中使用的ict内部的磁通。此外，本文还比较了目前最流行的PWM方法，以找出ICT中最适合磁通的PWM方法。实验结果验证了本文的分析以及最优零序列信号所提供的ICT通量的减小。

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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Impact of PWM methods and load configuration in the design of intercell transformers used in parallel three-phase inverters

Interleaving techniques applied to the parallel association of converters provide the reduction of the output current ripple and the increase of its frequency, leading to a reduction of the associated filters. The best way of paralleling commutation cells is by means of InterCell Transformers (ICT). The design of such special magnetic components strongly depends on the magnetic flux flowing through their core. This flux is modified by different PWM methods if ICTs are used in three-phase systems. The main objective of the paper is to show how different PWM methods (related to the carrier disposition and also to zero sequence signal injection) influence the flux inside ICTs used in different topologies of three-phase systems. In addition, the most popular PWM methods are compared in order to find the best ones regarding the flux in the ICT. Experimental results validate the analysis presented in this work as well as the reduction on the ICT flux provided by the optimal zero sequence signals.

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2013 IEEE 11th International Workshop of Electronics, Control, Measurement, Signals and their application to Mechatronics

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