一种新的12千瓦三相脉冲高功率因数交流-直流变换器，输出电压可调，用于整流装置

21st International Telecommunications Energy Conference. INTELEC '99 (Cat. No.99CH37007) Pub Date : 1999-12-01 DOI:10.1109/INTLEC.1999.794076

F. D. de Seixas, I. Barbi

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引用次数: 20

摘要

本文提出了一种新的高功率因数三相整流器，该整流器基于y型连接的差分自耦变压器，具有降低的kVA和18脉冲输入电流，然后是三个DC-DC升压转换器。该拓扑结构提供稳压输出和自然三相输入功率因数校正。输入电流谐波分量最低的是第17次和第19次。三个升压变换器，具有恒定的输入电流和调节并联输出电压，用于处理每4千瓦。给出了绕组电流的傅里叶分析结果和绕组电压的矢量图。文中给出了仿真结果和实验结果。

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A new 12 kW three-phase impulse high power factor AC-DC converter with regulated output voltage for rectifier units

This work presents a new high power factor three-phase rectifier based on a Y-connected differential autotransformer with reduced kVA and 18-pulse input current followed by three DC-DC boost converters. The topology provides a regulated output voltage and natural three-phase input power factor correction. The lowest input current harmonic components are the 17th and the 19th. Three boost converters, with constant input currents and regulated parallel connected output voltages are used to process 4 kW each. Analytical results from Fourier analyses of winding currents and the vector diagram of winding voltages are presented. Simulation results to verify the proposed concept and experimental results are shown in the paper.

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21st International Telecommunications Energy Conference. INTELEC '99 (Cat. No.99CH37007)

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