A DC Autotransformer Design for Medium and High Voltage DC Transmission Systems

被引：0
|
作者：
Gowaid, I. A. [1 ]
Adam, G. P. [1 ]
Williams, B. W. [1 ]
Massoud, A. M. [2 ]
Ahmed, S. [3 ]
机构：
[1] Univ Strathclyde Glasgow, Elect & Elect Engn Dept, Glasgow, Lanark, Scotland
[2] Qatar Univ, Dept Elect Engn, Doha, Qatar
[3] Texas A&M Univ Qatar, Elec & Comp Engn Dept, Doha, Qatar
来源：
PROCEEDINGS 2018 IEEE 12TH INTERNATIONAL CONFERENCE ON COMPATIBILITY, POWER ELECTRONICS AND POWER ENGINEERING (CPE-POWERENG 2018) | 2018年
关键词：
Modular multilevel converter; dc transformer; dual active bridge; dc-dc power conversion; ACTIVE BRIDGE CONVERTER; MULTILEVEL CONVERTER; POWER; HVDC; OPERATION; EFFICIENCY;
D O I：
10.1109/CPE.2018.8372549
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper studies a dc-dc converter topology dual to the ac autotransformer for medium and high voltage dc-dc conversion. Operation with trapezoidal modulation is analyzed where the dc autotransformer is built of transition-arm bridges. This structure features less power electronics installation and energy storage capacity as compared to counterparts operating in sinusoidal modulation. It also permits the use of low-loss devices such as thyristors or Insulated Gate Commutated Thyristors (IGCTs), promising high efficiency. The paper investigates this topology in steady state as well as DC fault blocking capability.
引用
收藏
页数：6
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