DC-DC Converter for Energy Loss Compensation and Maximum Frequency Limitation in Capacitive Deionization Systems

被引：0
|
作者：
Mehrabian-Nejad, Hamed [1 ]
Farhangi, Babak [1 ]
Farhangi, Shahrokh [1 ]
Vaez-Zadeh, Sadegh [1 ]
机构：
[1] Univ Tehran, Dept Elect & Comp Engn, Tehran, Iran
来源：
2016 7TH POWER ELECTRONICS AND DRIVE SYSTEMS & TECHNOLOGIES CONFERENCE (PEDSTC) | 2016年
关键词：
Water desalination systems; Capacitive deionization (CDI); buck-boost converter; buck converter; hysteresis control; high switching losses; UP-DOWN CONVERTER; CDI; DESALINATION; RECOVERY;
D O I：
暂无
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：
Currently, shortage of the water resources is a global issue. Water desalination is a solution that can be used to solve the water shortage problem. Capacitive deionization (CDI) is an effective water desalination method. CDI offers relatively low energy consumptions and low initial costs. This paper improves energy exchange between CDI units used in efficient CDI systems. Traditionally, hysteresis control is employed for transferring energy through power converters; this control method induces switching losses. Converter losses cause CDI systems not to operate in nominal voltage. In this paper, a buck converter and a CDI selector are proposed to compensate the losses. The maximum switching frequency is limited to prevent high switching losses. Simulation results validate the proposed scheme.
引用
收藏
页码：211 / 216
页数：6
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