Title :
Research on Energy Efficiency of Supercapacitor Energy Storage System
Author :
Zhong, Yun ; Zhang, Jiancheng ; Li, Gengyin ; Liu, Aiguo
Author_Institution :
Dept. of Electr. Power Eng., North China Electr. Power Univ., Baoding
Abstract :
Recent developments in the field of supercapacitors have led to the achievement of high specific energy and high specific power devices which are suitable for energy storage in high power electronic applications, especially in the field of management of embarked electrical power. Equivalent serial resistance is put forward to estimate energy efficiency. Reducing the equivalent series resistance in a supercapacitor will gain a great appreciation. A supercapacitor energy storage system (SCESS) is also designed in this paper which is mainly composed of three parts: the electrical double-layer capacitors array that stores energy, the AC/DC-DC/AC power converter system and the integrated control system composed of microprocessors. This SCESS installed capacity is 0.235 MJ; peak power is 50 kW; and generating efficiency is up to 97.94%.
Keywords :
energy storage; supercapacitors; energy efficiency; equivalent serial resistance; high power electronic applications; supercapacitor energy storage system; Centralized control; DC-DC power converters; Electric resistance; Energy efficiency; Energy management; Energy storage; Microprocessors; Power electronics; Power system management; Supercapacitors; electrical double-layer; energy efficiency; energy storage system; equivalent serial resistance; operating efficiency; supercapacitor;
Conference_Titel :
Power System Technology, 2006. PowerCon 2006. International Conference on
Conference_Location :
Chongqing
Print_ISBN :
1-4244-0110-0
Electronic_ISBN :
1-4244-0111-9
DOI :
10.1109/ICPST.2006.321547
