稳压交错马克思拓扑DC-DC变换器

E. Hosseini, S. Alagab, S. Tennakoon
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引用次数: 0

摘要

本文介绍了一种适用于海上高压直流风电场的稳压升压马克思DC-DC变换器。这种配置具有产生可变高压的能力,增加了具有固定增益的标准马克思转换器的可控性。在电压控制方面,将辅助可控降压变换器与马克思变换器相结合来调节输出电压。对低压、高压侧电压为6kV ~ 30kV,额定功率为5MW的变流器进行仿真研究。仿真结果表明,当变换器输入电压发生变化时,输出直流线具有良好的电压稳定性。
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Voltage regulated interleaved Marx topology DC-DC converter
This paper presents a voltage regulated step up Marx DC-DC converter suitable for HVDC offshore wind farm applications. This configuration has the capability to generate a variable high voltage adding controllability to the standard Marx converter with a fixed gain. For voltage control, an auxiliary controlled buck-boost converter was combined with the Marx converter to regulate the output voltage. The studies were carried out by simulating the converter with the design specifications of 6kV to 30kV voltage on LV and HV sides and 5MW rated power. The simulation results showed good voltage stability on the output DC line when the converter input voltage varies.
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