DocumentCode
434909
Title
General study on piezoelectric transformer
Author
Kwok, K.F. ; Dong, P. ; Cheng, K.W.E. ; Kwok, K.W. ; Ho, Y.L. ; Wang, X.X. ; Chan, H.
Author_Institution
Dept. of Electr. Eng., Hong Kong Polytech. Univ., China
fYear
2004
fDate
9-11 Nov. 2004
Firstpage
216
Lastpage
220
Abstract
Piezoelectric transformer (PZT) is a device which transforms voltage by piezoelectric effect and converse piezoelectric effect of ceramic material. Compared with electromagnetic transformer, it has favorable characteristics of miniaturization, electromagnetic-noise free and the variable voltage gain with frequency and impedance. The modeling of piezoelectric transformer is the base of control and optimize. The principle of transforming voltage is presented in this paper. In addition, different modeling methods were brought into comparisons. Merits, shortcomings and the future work in modeling of PZT were given.
Keywords
electric impedance; optimisation; piezoelectric devices; piezoelectricity; transformers; ceramic material; electromagnetic transformer; impedance; optimization; piezoelectric effect; piezoelectric transformer; voltage gain;
fLanguage
English
Publisher
ieee
Conference_Titel
Power Electronics Systems and Applications, 2004. Proceedings. 2004 First International Conference on
Conference_Location
Hong Kong, China
Print_ISBN
962-367-434-1
Type
conf
Filename
1429287
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