Power electronic transformer based on cascaded H-bridge converter

被引：9
|
作者：
Morawiec, M. [1 ]
Lewicki, A. [1 ]
机构：
[1] Gdansk Univ Technol, 11-12 Narutowicza St, PL-80169 Gdansk, Poland
来源：
BULLETIN OF THE POLISH ACADEMY OF SCIENCES-TECHNICAL SCIENCES | 2017年 / 65卷 / 05期
关键词：
power electronic transformer; cascaded H-bridge; rectifier control; control system; SYSTEMS;
D O I：
10.1515/bpasts-2017-0072
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper the control strategy of power electronic transformer (PET) is proposed. The analyzed structure of PET uses two seven-level cascaded H-bridge (CHB) rectifiers. The electrical power of PET is transferred between DC-links of CHB converters using dual-active-bridges (DABs) and low voltage high frequency transformers. The roposed solution allows for controlling the active and reactive power with a low level of harmonic distortions. The DC-link voltages and the load of the utilized H-bridges are controlled using appropriate modulation strategy. The theoretical issues are confirmed by simulation and experimental results.
引用
收藏
页码：675 / 683
页数：9
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