Power balance control of a multiport front-to-front DC-DC converter

被引：0

作者：

Miao L. ^{[1
]}

Lin W. ^{[1
]}

Yao L. ^{[2
]}

Wen J. ^{[1
]}

Wang Z. ^{[2
]}

机构：

[1] State Key Laboratory of Advanced Electromagnetic Engineering and Technology (Huazhong University of Science and Technology), Wuhan, 430074, Hubei Province

[2] China Electric Power Research Institute, Haidian District, Beijing

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2016年 / 36卷 / 17期

基金：

中国国家自然科学基金;

关键词：

DC grid; DC/DC converter; High voltage direct current; Multi-terminal DC system; Multiport DC/DC converter; Power balancing control;

D O I：

10.13334/j.0258-8013.pcsee.151684

中图分类号：

学科分类号：

摘要：

Automatic power balance control of a multi-terminal DC system (MTDC) constructed by a multiport front-to-front connected DC/DC converting system (MF2F) was proposed. To overcome the instability problem, a generic controller including a 'normal control loop', an "inner balance loop" and an "external balance loop" is proposed for each port of the MF2F. Further power balance controllers installed at external MTDC terminals were also designed. The designed power balance controls were verified by a test four terminal MTDC system constructed by a 4-port MF2F. Simulations of un-balanced power orders, AC faults and DC faults verified the proposed power balance controllers. The proposed power balance controllers enable automatic power balance inside a MF2F and automatic power balance between a port and its externally connected DC terminal without relying on intervention from upper layer operators. The proposed controllers can be used as generic controllers for a MTDC or a MTDC including multiport DC/DC converters. © 2016 Chin. Soc. for Elec. Eng.

引用

页码：4637 / 4646

页数：9

共 23 条

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