三相电压型PWM变流器在矿用电动运煤车中的应用

发布时间：2018-04-05 22:09

本文选题：三相电压型PWM变流器　切入点：VG　出处：《煤炭技术》2017年12期

【摘要】：PWM(脉冲宽度调制)变流器具有许多优良的特性,为了充分体现三相电压型PWM变流器对于矿用电动运煤车技术发展的重要性,分析了PWM变流器的基本原理,讲述了PWM变流器是如何能够实现交、直流侧控制功能,以PSCAD软件作为平台构建了V2G(Vehicle-to-grid)充放电电路模型,对PWM变流器在充放电过程中具体的工作特性进行了探究,通过对实验数据进行分析证明PWM变流器可以实现单位功率因数,且具有谐波污染小的优势。
[Abstract]:PWM (Pulse width Modulation) converter has many excellent characteristics. In order to fully reflect the importance of three-phase voltage source PWM converter for the development of mine electric coal conveyer technology, the basic principle of PWM converter is analyzed.This paper describes how the PWM converter can realize AC and DC side control functions, constructs the charging and discharging circuit model of V2GV Vehicle-to-grid based on PSCAD software, and probes into the specific working characteristics of the PWM converter during the charging and discharging process.Through the analysis of the experimental data, it is proved that the PWM converter can realize the unit power factor and has the advantage of less harmonic pollution.
【作者单位】：山东科技大学;
【基金】：山东省自然科学基金(ZR2011FM008)
【分类号】：TD634

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