Open AccessA Five-Terminal Impedance Network Based Three-Port Converter
Author(s) -
Guidong Zhang,
Zhiyang Wang,
Herbert Ho-Ching Iu,
Si-Zhe Chen,
Bo Zhang,
Dongyuan Qiu,
Tyrone Fernando,
Yun Zhang
Publication year - 2018
Publication title -
ieee access
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.587
H-Index - 127
ISSN - 2169-3536
DOI - 10.1109/access.2018.2840528
Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation
A novel three-port converter for renewable energy applications is proposed based on a five-terminal impedance network, which is different from the traditional four-terminal (two-port) impedance network, therein, this impedance network characterizes unique features of the proposed converter. It is composed of three ports, i.e., one input port for renewable energy inputs like solar energy, one port of energy storage units for energy harvesting and supplying, while the last one is for loads. The proposed converter with reduced number of components can operate in different conditions of intermittent renewable energies. A detailed analysis is presented within three practical cases. Furthermore, a close loop control strategy is designed and applied in the proposed converter. It is followed with parameters design and components stresses analyses, finally, its effectiveness is verified by an experimental prototype.
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