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UAPFs topologies with UPS features for low and medium voltage applications

机译:UPS拓扑具有UPS功能,用于低频和中电压应用

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摘要

Some configurations of universal active power filter (UAPF) with uninterruptible power supplies (UPSs) features for single-phase applications are proposed in this study focus on a reduced number of power electronic switches. All proposed configurations, composed by two-leg converters, compensate for current and voltage harmonics and provide power factor control close to one. Comparisons between the structures are made in terms of converters voltage capabilities, shared-leg, and capacitor currents. The model of the systems, including the equations and control system, is detailed described. Steady-state analysis of the proposed configurations demonstrates the existence of a load angle, which reduces the converters current, increasing the efficiency of the proposed systems. A complete set of simulated and experimental results are presented.
机译:在该研究中提出了具有不间断电源(UPSS)特征的万能有源电力滤波器(UAPF)的配置,该研究专注于减少电力电子开关数量减少。由双腿转换器组成的所有建议配置都补偿了电流和电压谐波,并提供接近一个的功率因数控制。结构之间的比较是根据转换器电压能力,共用腿和电容器电流进行的。详细描述了系统的模型,包括方程和控制系统。对所提出的配置的稳态分析表明了负载角的存在,这降低了转换器电流,提高了所提出的系统的效率。提出了一套完整的模拟和实验结果。

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