海上风电送出系统直流耗能技术

QI Lei; WU Sihang; SHI Dan; YANG Jipei; ZHANG Xiangyu

doi:10.13336/j.1003-6520.hve.20250344

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海上风电送出系统直流耗能技术

更新时间：2026-09-17

- 海上风电送出系统直流耗能技术
- Vol. 51, Issue 8, Pages: 4333-4352(2025)
- 作者机构：
  
  华北电力大学电气与电子工程学院,北京,102206
- 作者简介：
- 基金信息：
- DOI：10.13336/j.1003-6520.hve.20250344
  CLC：
- Received：31 August 2025，
  
  Published：2025
- 稿件说明：
移动端阅览
QI Lei, WU Sihang, SHI Dan, et al. 海上风电送出系统直流耗能技术[J]. 2025, 51(8): 4333-4352.
DOI：

QI Lei, WU Sihang, SHI Dan, et al. 海上风电送出系统直流耗能技术[J]. 2025, 51(8): 4333-4352. DOI： 10.13336/j.1003-6520.hve.20250344.

摘要

直流耗能装置不仅可以解决大规模远海风电送出系统受端电网故障时导致的风力发电功率盈余问题，还可以显著降低海上换流平台的载重量，是实现海上风电送出系统轻型化和可靠化的关键技术。该文对近年来报道的各种直流耗能装置技术进行了全面综述。首先，对现有拓扑的结构进行分类并梳理其技术路线，并对比分析了不同技术路线的特点。其次，总结了直流耗能装置的关键技术，围绕电力电子开关、缓冲电路、低纹波控制、电压平衡以及协同控制等方面进行梳理总结，并根据拓扑结构和动作特点对不同技术进行比较分析。最后，从工程应用角度讨论了与直流耗能装置设计相关的各种挑战，以期推动直流耗能装置技术的发展。

Abstract

The DC choppers (DCCs) can not only effectively address the issue of surplus power caused by the grid faults at the receiving end of large-scale offshore wind power transmission systems

but also significantly reduce the load weight of offshore converter platforms

which are the key technologies for lightweight and reliable offshore wind power transmission systems. This paper presents a comprehensive review of various DCC technologies reported in recent literature. Firstly

the existing DCC topologies are classified and their technical routes are sorted out

with a comparative analysis of the characteristics of different technical routes. Secondly

the key technologies of DCCs are summarized

focusing on power electronic switches

snubber circuits

low DC-link voltage ripple control

voltage balancing

and energy absorption. Then

different technologies are compared based on topological and operational characteristics. Finally

various challenges related to the design of DCCs are discussed from an engineering application perspective

with a view to advancing the development of DCC technologies.

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