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。
The PWM converter has many excellent characteristics, in order to reflect the importance of three-phase voltage source PWM converters for the development of mine electric vehicle ,the working principle of the PWM converter is analyzed,the PWM converters can realize the AC and DC side control functions,V2G charging and discharging simulation model is buih by using PSCAD software,the specific operating characteristics of PWM converter during charging and discharging are studied,through the analysis of the experimental data, the results show that the PWM converter can achieve unity power factor operation, and the harmonic pollution is small.
出处
《煤炭技术》
北大核心
2017年第12期192-193,共2页
Coal Technology
基金
山东省自然科学基金(ZR2011FM008)
