发展高压直流电网是解决电能大容量远距离传输及大规模可再生能源汇集的有效手段,
高压大容量DC/DC 变换器是实现不同电压等级的直流电网线路之间互联的关键设备 …

DC grid technology is regarded as a promising solution for future electric networks
integrating a great amount of renewable energies. It calls for high-efficiency dc–dc …

In this letter, a phase-shifted square wave modulation strategy is proposed for modular
multilevel converters (MMCs) as well as dc transformers for medium-voltage applications …

随着海上风电场的快速建设, 经济有效的大规模海上风能汇聚和传输方式已被日益关注.
为了使未来的海上风电场更好地采用高压直流输电并网, 先进的直流变换和直流风机的概念被 …

An isolated bidirectional dc–dc converter, which combines parallel-connected two-level
converters (TLCs) on the medium-voltage side and a modular multilevel converter (MMC) on …

Kurzfassung In Gleichspannungsnetzen dienen Gleichspannungswandler dazu die
Spannung hoch-oder herunter zu transformieren. Daher können sie auch als Äquivalent …

This paper studies the power balancing control of a multi‐terminal high voltage direct current
(HVDC) system constructed by a multiport front‐to‐front type DC–DC converter (MF2F) …

DC wind farm (DCWF) with series‐connected DC wind turbines (DCWTs) is proved to be a
potential solution of offshore wind power collection. The coupling behaviour of series …

随着海上风场的大规模化发展, 如何经济有效地将分散在海上各处风场所发电能汇聚并传输至
岸上成为一个亟待解决的问题. 对比传统海上风电场的交流汇聚, 直流传输 …

This paper deals with offshore wind system with DC collector grid, in which a high-voltage
(HV) DC-DC converter is utilized between the DC collector gird and HVDC transmission line …