Ultracapacitor based ride-through system for a DC load

被引：0
|
作者：
Jayawickrama, YRL [1 ]
Rajakaruna, S [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Ctr Adv Power Elect, Singapore 639798, Singapore
来源：
2004 INTERNATIONAL CONFERENCE ON POWER SYSTEM TECHNOLOGY - POWERCON, VOLS 1 AND 2 | 2004年
关键词：
DC-DC converter; right half plane zero; ultracapacitor; ride-through system;
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：
Ultracapacitor is an emerging energy storage device suitable for high-power, short-term applications. In this paper, a ride-through system for a DC load based on the ultracapacitors and a current-reversible buck-boost converter is analyzed. Compared to an equivalent battery operated converter in the boost mode with continuous inductor current, the control to output transfer function of the ultracapacitor-based converter has an additional right half plane zero located very close to the origin. As a result, the achievable bandwidth of the controller is very low and a steady-state error prevails in the load voltage if the controller is designed to operate in the stable mode. However, if zero steady-state error in the load voltage is desired, it can be achieved by operating the system with some degree of instability during the short period of disturbance.
引用
收藏
页码：232 / 237
页数：6
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