On the modelling of linear-assisted DC-DC voltage regulators for photovoltaic solar energy systems

被引：0
|
作者：
Martinez-Garcia, Herminio [1 ]
Garcia-Vilchez, Encarna [1 ]
机构：
[1] Tech Univ Catalonia UPC BarcelonaTech, Dept Elect Engn, EEBE, Diagonal Besos Campus,Eduard Maristany Ave,10-14, E-08019 Barcelona, Spain
来源：
INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY SYSTEMS AND ENVIRONMENTAL ENGINEERING (ASEE17) | 2017年 / 22卷
基金：
欧盟地平线“2020”;
关键词：
TOPOLOGIES;
D O I：
10.1051/e3sconf/20172200113
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 shows the modelling of linear-assisted or hybrid (linear & switching) DC/DC voltage regulators. In this kind of regulators, an auxiliary linear regulator is used, which objective is to cancel the ripple at the output voltage and provide fast responses for load variations. On the other hand, a switching DC/DC converter, connected in parallel with the linear regulator, allows to supply almost the whole output current demanded by the load. The objective of this topology is to take advantage of the suitable regulation characteristics that series linear voltage regulators have, but almost achieving the high efficiency that switching DC/DC converters provide. Linear-assisted DC/DC regulators are feedback systems with potential instability. Therefore, their modelling is mandatory in order to obtain design guidelines and assure stability of the implemented power supply system.
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页数：8
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