Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Electrical Properties of Multilayer Piezoelectric Transformer using PMN-PZN-PZT Ceramics

PMN-PZN-PZT 세라믹스를 이용한 적층형 압전변압기의 전기적 특성

  • Published : 2006.07.01
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Abstract

Dielectric and piezoelectric properties of PMN-PZT ceramics with a high mechanical quality factor$(Q_m)$ and a low temperature sintering temperature were investigated as a function of PZN substitution in order to develop multilayer piezoelectric transformer for AC-DC converter. Multilayer piezoelectric transformers were subsequently manufactured using the PMN-PZN-PZT ceramic offering the optimal behavior and then the electrical performance were invetigated. At the sintering temperature of $940^{\circ}C$, density, electromechanical coupling factor$(k_p)$, mechanical qualify factor$(Q_m)$ and dielectric constant$(\varepsilon_r)$ of 8 mol% PZN substituted specimen were $7.73g/cm^3$, 0.524, 1573 and 1455, respectively. The PZN substitution caused a increase in the dielectric constant and the electromechnical coupling factor. The voltage step-up ratio of multilayer piezoelectric transformer showed the maximum value at near the resonant frequency of 76.55 kHz and increased according to the increase of load resistance. The multilayer piezoelectric transformer with the output impedance coincided with the load resistance showed the temperature increase of less than $20^{\circ}C$ at the output power of 10 W. Based on the results, the manufactured multilayer transformer using the low temperature sintered PMN-PZN-PZT ceramics can be stably driven for both step-up and down transformers.

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References

  1. T. Ohno, N. Tsubouchi, M. Takahashi, Y. Matsuo, and T. Akashi, 'The piezoelectric, dielectric and elastic constants of the ternary and quaternary system consisting of $PbZrO_3-PbTiO_3$ and others', Tech. Rep. IEICE Jpn. US71-37, p. 1, 1972
  2. S. Hirose, Y. Yanayoshi, M. Taga, and H. Shimizu, 'A method for measuring the vibration level dependance of impedance-type equivalent circuit constants', Jpn. J. Appl. Phys. Supp., Vol. 30 No.1, p. 1117, 1992
  3. S. Takahashi, S. Hirose, and K. Uchino, 'Stability of PZT piezoelectric ceramics under vibration level change', J. Am. Ceram. Soc., Vol. 77, No.9, p. 2429, 1994
  4. S. Takashi, S. Hirose, K. Uchino, and K. I. Oh, 'Electro-mechanical characteristics of lead zirconate-titanate ceramics under vibration level change', in Proc. 9TH IEEE Int. Symp. Application of Ferroelectrics, Penn. State, p. 377, 1995
  5. S. Hirose, S. Takahashi, M. Aoyagi, and Y. Yamamoto, 'High power characteristics of piezoelectric materials', in Proc. 9TH IEEE Int. Symp. Application of Ferroelectrics, Penn. State, p. 766, 1995
  6. P. A. Van Berkum, J. C. Sinclair, and K. Randy, 'High Voltage Ceramic Transformer', IRE Rrans. Broadcast and Television Receivers, BTR-8, Pt. 1, p. 22, 1962
  7. C. A. Rosen, 'Ceramic transformer and filters', Proc. of Electronics Symposium, p. 205, 1957
  8. H. W. Katz, 'Solid state magnetic and dielec-tric device', New York, Jhon Wiley & Sons, p. 35, 1959
  9. S. Takahashi and H. Hirose, 'Vibration characteristics of lead-zirconate-titanate ceramics', Jpn. J. Appl. Phys., Vol. 31, p. 3055, 1992 https://doi.org/10.1143/JJAP.31.3055
  10. 정광현, 이덕출, 류주현 '소결조제 변화에 따른 PCW-PMN-PZT 세라믹스의 저온소결 및 압전특성', 전기전자재료학회논문지, 17권, 12호, p. 1320, 2004
  11. 류주현, 이현석 , 정광현, '$Pb(Mg_{1/2}W_{1/2})O_3$ 치환에 따른 저온소결 $Pb(Mg_{1/2}W_{1/2})O_3-Pb(Mn_{1/3}Nb_{2/3})O_3-Pb(Zr_{1/2}Ti_{1/2})O_3$ 세라믹스의 압전 및 유전특성', 전기전자재료학회논문지, 19권, 5호, p. 417, 2006 https://doi.org/10.4313/JKEM.2006.19.5.417
  12. 要祐一, '壓電セラミックトランス用素子の考察', 日本音響學會誌, 32券, 8號, p. 470, 1976