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首页> 外文会议>2014 International Conference on Advances in Energy Conversion Technologies : Intelligent Energy Management: Technologies and Challenges >Performance study of high frequency link AC-AC converter
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Performance study of high frequency link AC-AC converter

机译：高频链路AC-AC转换器的性能研究

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摘要

In this paper operation performance of an high-frequency (HF) link ac/ac converter is demonstrated using computer aided simulation package PSCAD/EMTDC. The converter consists of input filter, input matrix converter, HF transformer, and output matrix converter. The proposed configuration permits flexibility in the choice of voltage levels and frequency in the system without the penalty of bulky magnetic components. The proposed approach achieve high voltage transfer ratio, HF galvanic isolation of the input source from the output utility, higher power density by introducing a HF transformer in between the two stages of the converter. It is capable of having bidirectional power flow, achieve lower harmonic distortion on both input and output sides with proper filter design and controllable input displacement power factor. It also provides fast response, high efficiency, and free from acoustic noise. Comprehensive results are presented to assess the performance of the converter. Several features like voltage sag compensation, instantaneous voltage regulation, and power factor correction can be combined to this converter. This kind of converter laid the base for regulated ac power supplies and electronic transformers.
机译：在本文中，使用计算机辅助仿真程序包PSCAD / EMTDC演示了高频（HF）链接ac / ac转换器的操作性能。该转换器包括输入滤波器，输入矩阵转换器，HF变压器和输出矩阵转换器。所提出的配置允许灵活选择系统中的电压电平和频率，而不会增加笨重的磁性元件。通过在转换器的两级之间引入HF变压器，所提出的方法可实现高电压传输比，输入源与输出实用程序的HF电流隔离，更高的功率密度。它具有双向功率流，通过适当的滤波器设计和可控制的输入位移功率因数，可在输入和输出侧实现较低的谐波失真。它还提供了快速响应，高效率并且没有声音的问题。提出了综合结果以评估转换器的性能。电压骤降​​补偿，瞬时电压调节和功率因数校正等多种功能可以与该转换器组合。这种转换器为稳压交流电源和电子变压器奠定了基础。

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