集成直流断路器功能的高压大容量DC/DC变换器

doi:10.11930/j.issn.1004-9649.202105149

中国电力 ›› 2021, Vol. 54 ›› Issue (10): 46-54.DOI: 10.11930/j.issn.1004-9649.202105149

• 国家“十三五”智能电网重大专项专栏：（八）直流电网故障电流抑制技术专栏 • 上一篇下一篇

集成直流断路器功能的高压大容量DC/DC变换器

全月, 王志远, 李彬彬, 徐殿国

哈尔滨工业大学电气工程及自动化学院, 黑龙江哈尔滨 150001

收稿日期:2021-05-30 修回日期:2021-08-27 出版日期:2021-10-05 发布日期:2021-10-16
作者简介:全月(1999-),女,通信作者,硕士研究生,从事电力系统柔性一次设备研究,E-mail:quanyue_hit@163.com;王志远(1998-),男,硕士研究生,从事电力系统柔性一次设备研究,E-mail:wangzhiyuanhit@163.com;李彬彬(1989-),男,副教授,从事柔性直流输电技术、可再生能源发电技术、模块化多电平技术研究,E-mail:libinbinhit@126.com
基金资助:
国家自然科学基金资助项目（51807033）。

A High-Voltage Large-Capacity DC/DC Converter Integrated with the Function of DC Circuit Breaker

QUAN Yue, WANG Zhiyuan, LI Binbin, XU Dianguo

Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China

Received:2021-05-30 Revised:2021-08-27 Online:2021-10-05 Published:2021-10-16
Supported by:
This work is supported by National Natural Science Foundation of China (No.51807033)

摘要/Abstract

摘要： 高压大容量DC/DC变换器是直流电网中电压变换的关键设备。提出一种集成直流断路器功能的高压大容量DC/DC变换器，利用变换器自身控制实现直流侧短路故障阻断功能，具有轻量化、低成本、高效率的优势。首先，分析该变换器的拓扑结构、工作原理，推导子模块、晶闸管、二极管等器件的参数设计依据；然后，提出闭锁子模块和晶闸管阻断故障电流的机制，设计适应于该变换器的控制方案；其次，分别针对正常工况与故障工况进行了仿真与实验验证，结果表明该变换器拓扑结构及控制策略的有效性；最后，通过与其他典型的集成直流断路器功能的DC/DC拓扑进行对比分析，评估所提变换器的技术经济性。

关键词: 直流电网, 高压直流输电, 直流断路器, 高压大容量DC/DC变换器, 直流断路器功能

Abstract: In recent years, high-voltage and large-capacity DC/DC converters have received more and more attention as the key equipment for voltage conversion in the DC grid. This paper presents a high-voltage large-capacity DC/DC converter integrated with the function of DC circuit breaker, which uses the control of the converter itself to realize the function of blocking DC-side short-circuit faults, and has the advantages of simplicity, low cost and high efficiency. At first, this paper conducts a comprehensive analysis of the topology structure and operation principles of the converter, and deduces the parameter design basis for sub-modules, thyristors, diodes and other devices. And then, the mechanism for blocking sub-modules and thyristors is proposed to block the fault current, and the control schemes of the converter are also designed. Besides, simulations and experiments are carried out for normal conditions and fault conditions, and the results have verified the effectiveness of the topology structure and control schemes. Finally, through a comparative analysis with other typical DC/DC topologies integrated with the function of DC circuit breaker, the technical and economic efficiency of the proposed converter is evaluated.

Key words: DC grid, high voltage direct current, DC circuit breaker, high-voltage large-capacity DC/DC converter, the function of DC circuit breaker

全月, 王志远, 李彬彬, 徐殿国. 集成直流断路器功能的高压大容量DC/DC变换器[J]. 中国电力, 2021, 54(10): 46-54.

QUAN Yue, WANG Zhiyuan, LI Binbin, XU Dianguo. A High-Voltage Large-Capacity DC/DC Converter Integrated with the Function of DC Circuit Breaker[J]. Electric Power, 2021, 54(10): 46-54.

导出引用管理器 EndNote|Ris|BibTeX

链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202105149

https://www.electricpower.com.cn/CN/Y2021/V54/I10/46

参考文献

[1] BARNES M, VAN HERTEM D, TEEUWSEN S P, et al. HVDC systems in smart grids[J]. Proceedings of the IEEE, 2017, 105(11): 2082–2098.
[2] OATES C. Modular multilevel converter design for VSC HVDC applications[J]. IEEE Journal of Emerging and Selected Topics in Power Electronics, 2015, 3(2): 505–515.
[3] 姚良忠, 杨晓峰, 林智钦, 等. 模块化多电平换流器型高压直流变压器的直流故障特性研究[J]. 电网技术, 2016, 40(4): 1051–1058
YAO Liangzhong, YANG Xiaofeng, LIN Zhiqin, et al. DC fault characteristics of modular multilevel converter based HVDC transformer[J]. Power System Technology, 2016, 40(4): 1051–1058
[4] RAO H, ZHOU Y B, XU S K, et al. Key technologies of ultra-high voltage hybrid LCC-VSC MTDC systems[J]. CSEE Journal of Power and Energy Systems, 2019, 5(3): 365–373.
[5] 李彬彬, 张书鑫, 程达, 等. 新型混合式高压直流输电DC/DC变换器[J]. 电力系统自动化, 2018, 42(7): 116–122
LI Binbin, ZHANG Shuxin, CHENG Da, et al. Hybrid DC/DC converter for HVDC transmission system[J]. Automation of Electric Power Systems, 2018, 42(7): 116–122
[6] KISH G J. On the emerging class of non-isolated modular multilevel DC–DC converters for DC and hybrid AC–DC systems[J]. IEEE Transactions on Smart Grid, 2019, 10(2): 1762–1771.
[7] ADAM G P, GOWAID I A, FINNEY S J, et al. Review of dc-dc converters for multi-terminal HVDC transmission networks[J]. IET Power Electronics, 2016, 9(2): 281–296.
[8] PÁEZ J D, FREY D, MANEIRO J, et al. Overview of DC–DC converters dedicated to HVdc grids[J]. IEEE Transactions on Power Delivery, 2019, 34(1): 119–128.
[9] 朱晋, 刘单华, 尹靖元, 等. 基于模块级联技术的混合型高压直流断路器研究[J]. 中国电机工程学报, 2017, 37(5): 1560–1568
ZHU Jin, LIU Danhua, YIN Jingyuan, et al. Research on hybrid DC breaker based on modular cascaded structure[J]. Proceedings of the CSEE, 2017, 37(5): 1560–1568
[10] 王新颖, 汤广福, 魏晓光, 等. MMC-HVDC输电网用高压DC/DC变换器隔离需求探讨[J]. 电力系统自动化, 2017, 41(8): 172–178
WANG Xinying, TANG Guangfu, WEI Xiaoguang, et al. Discussion on isolation requirement of high voltage DC/DC converter for MMC-HVDC transmission systems[J]. Automation of Electric Power Systems, 2017, 41(8): 172–178
[11] KENZELMANN S, RUFER A, DUJIC D, et al. Isolated DC/DC structure based on modular multilevel converter[J]. IEEE Transactions on Power Electronics, 2015, 30(1): 89–98.
[12] GOWAID I A, ADAM G P, MASSOUD A M, et al. Quasi two-level operation of modular multilevel converter for use in a high-power DC transformer with DC fault isolation capability[J]. IEEE Transactions on Power Electronics, 2015, 30(1): 108–123.
[13] XING Z W, RUAN X B, YOU H C, et al. Soft-switching operation of isolated modular DC/DC converters for application in HVDC grids[J]. IEEE Transactions on Power Electronics, 2016, 31(4): 2753–2766.
[14] ENGEL S P, STIENEKER M, SOLTAU N, et al. Comparison of the modular multilevel DC converter and the dual-active bridge converter for power conversion in HVDC and MVDC grids[J]. IEEE Transactions on Power Electronics, 2015, 30(1): 124–137.
[15] LIN W X. DC–DC autotransformer with bidirectional DC fault isolating capability[J]. IEEE Transactions on Power Electronics, 2016, 31(8): 5400–5410.
[16] 李梦柏, 向往, 左文平, 等. 具备无闭锁穿越直流故障能力的直流自耦变压器[J]. 电力系统自动化, 2018, 42(4): 82–88
LI Mengbo, XIANG Wang, ZUO Wenping, et al. DC-DC autotransformer with uninterrupted operating capability during DC fault[J]. Automation of Electric Power Systems, 2018, 42(4): 82–88
[17] LI B B, ZHAO X D, CHENG D, et al. Novel hybrid DC/DC converter topology for HVDC interconnections[J]. IEEE Transactions on Power Electronics, 2019, 34(6): 5131–5146.
[18] LI B B, ZHAO X D, ZHANG S X, et al. A hybrid modular DC/DC converter for HVDC applications[J]. IEEE Transactions on Power Electronics, 2020, 35(4): 3377–3389.
[19] KJAERGAARD J P, SOGAARD K, MIKKELSEN S D, et al. Bipolar operation of an HVDC VSC converter with an LCC converter[C]// Proceedings CIGRÉ HVDC and Power Electronic International Colloquium, San Francisco, CA, USA, 2012: 1–7.
[20] 史宗谦, 贾申利. 高压直流断路器研究综述[J]. 高压电器, 2015, 51(11): 1–9
SHI Zongqian, JIA Shenli. Research on high-voltage direct current circuit breaker: a review[J]. High Voltage Apparatus, 2015, 51(11): 1–9
[21] 石巍, 曹冬明, 杨兵, 等. 500 kV整流型混合式高压直流断路器[J]. 电力系统自动化, 2018, 42(7): 102–107
SHI Wei, CAO Dongming, YANG Bing, et al. 500 kV commutation-based hybrid HVDC circuit breaker[J]. Automation of Electric Power Systems, 2018, 42(7): 102–107

集成直流断路器功能的高压大容量DC/DC变换器

A High-Voltage Large-Capacity DC/DC Converter Integrated with the Function of DC Circuit Breaker

RichHTML

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 15

编辑推荐

Metrics

[1]	吴云锐, 张建坡, 田新成, 应恺锋, 陈忠. 计及频率适应和快速稳定特性的多端直流电网改进协调控制策略[J]. 中国电力, 2025, 58(3): 31-42.
[2]	赵欣洋, 邹洪森, 杨晨, 李玉琦, 李博通, 刘思源. 基于模量反向行波的接地极线路故障类型识别与定位方法[J]. 中国电力, 2025, 58(2): 33-42.
[3]	雷霄, 许锐文, 郑宁敏, 李德才, 刘世成. 闽粤联网直流工程与SVG/HAPF协同运行特性及现场试验[J]. 中国电力, 2024, 57(4): 130-138.
[4]	李惠玲. 新型电力系统背景下西部送端直流电网及系统运行特性[J]. 中国电力, 2023, 56(8): 166-174.
[5]	李惠玲, 王曦, 高剑, 宋云亭. 新型电力系统背景下西部送端直流电网方案构建[J]. 中国电力, 2023, 56(5): 12-21.
[6]	梁伟, 吴林林, 赖启平, 李东晟, 徐曼, 沈沉. 风电直流送出系统送端交流故障下风机过电压研究[J]. 中国电力, 2023, 56(4): 28-37.
[7]	刘涛, 吴国旸, 戴汉扬, 苏志达, 宋新立, 肖雄, 郝捷. 直流输电控制系统机电暂态模型参数校核误差评价方法[J]. 中国电力, 2022, 55(4): 123-131.
[8]	郭小龙, 张江飞, 亢朋朋, 杨桂兴, 孙谊媊, 袁铁江, 刘勇. 含基于PI控制受端二次调频的特高压直流虚拟同步控制策略[J]. 中国电力, 2022, 55(11): 66-72.
[9]	吴思航, 沈弘, 齐磊, 裘鹏, 蒯朝霞. 短路工况下柔直换流站直流场内瞬态电场预测分析[J]. 中国电力, 2021, 54(9): 109-118.
[10]	游广增, 李华瑞, 李常刚, 刘超, 钱迎春, 李玲芳. 计及风电高频保护的送端电网多直流协同频率控制[J]. 中国电力, 2021, 54(5): 83-90,110.
[11]	王子文, 张英敏, 刘天琪, 陈若尘, 李峰. 基于伴随网络的直流电网短路电流计算方法[J]. 中国电力, 2021, 54(10): 2-10,27.
[12]	袁敏, 茆美琴, 程德健, 张榴晨. 主电路参数对MMC-HVDC电网直流短路故障电流综合影响分析[J]. 中国电力, 2021, 54(10): 11-19.
[13]	吴嘉玲, 卢铁兵. 柔性直流电网结构对单极接地故障过电压的影响[J]. 中国电力, 2021, 54(10): 20-27.
[14]	夏仕伟, 高晨祥, 孙昱昊, 冯谟可, 赵成勇, 许建中, 程亭婷, 谷怀广. 含多种限流设备的柔性直流电网RT-LAB实时仿真建模[J]. 中国电力, 2021, 54(10): 28-37.
[15]	包萌, 沈弘, 李嘉靓, 石岩, 齐磊, 王谦. 柔性直流换流站短路工况下直流场磁场计算建模及预测分析[J]. 中国电力, 2021, 54(10): 55-62.

模态框（Modal）标题

集成直流断路器功能的高压大容量DC/DC变换器

A High-Voltage Large-Capacity DC/DC Converter Integrated with the Function of DC Circuit Breaker

RichHTML

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 15

编辑推荐

Metrics