High-Specific-Power Capacitors

被引:2
|
作者
Ennis, J. B. [1 ]
MacDougall, F. W. [1 ]
Yang, X. H. [1 ]
Bushnell, A. H. [1 ]
Cooper, R. A. [1 ]
Gilbert, J. E. [1 ]
机构
[1] Gen Atom Elect Syst Inc, Gen Atom Energy Prod, San Diego, CA 92123 USA
关键词
D O I
10.1109/IPMC.2008.4743574
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Energy density is not the only metric for capacitors. In high pulse repetition rate modulators and other types of power conditioning systems, the reactive power (WAR) is often the factor driving the physical size of capacitors. The specific power (kVAR/cm(3)) capability of a capacitor depends on many factors, including frequency, voltage, waveform, duty cycle, ambient temperature, and available cooling. The design of capacitors for high specific power requirements will be described. Designs using high-temperature polymer films as dielectrics and metallized electrodes will he compared to designs using common dielectrics such as polypropylene and both metallized and discrete foil electrodes.
引用
收藏
页码:53 / 56
页数:4
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