Examination of a Free-Piston Engine Linear Generator System with Generation Control for High Efficiency

被引：0
|
作者：
Sato, M. [1 ,2 ]
Nirei, M. [3 ]
Yamanaka, Y. [1 ]
Murata, H. [1 ]
Bu, Y. [1 ]
Mizuno, T. [1 ]
机构：
[1] Shinshu Univ, Fac Engn, 4-17-1 Wakasato, Nagano, Nagano, Japan
[2] Nagano Prefectural Inst Technol, 813-8 Shimonogo, Ueda, Nagano, Japan
[3] Nagano Coll, Natl Inst Technol, 716 Tokuma, Nagano, Nagano, Japan
来源：
2017 11TH INTERNATIONAL SYMPOSIUM ON LINEAR DRIVES FOR INDUSTRY APPLICATIONS (LDIA) | 2017年
关键词：
Free-piston engine; generation control; linear generator; thermal efficiency;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A free-piston engine linear generator system is investigated for use as a high-efficiency generator engine. The system's efficiency depends on its generation and thermal efficiency, and the generation efficiency is degraded at the edge of the expansion stroke when the piston speed is low and the thrust is high. The generation efficiency is thereby improved to 97% using machine coupling control. Furthermore, the system efficiency is increased to 46.5% using generation control to match the top dead center position with the theoretical ideal position during the compression stroke, which increases the thermal efficiency.
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页数：4
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