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

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
권호 표지
DOI QR코드

DOI QR Code

Effect of Sintering Temperature on Impulse Current Stress Characteristics of ZPCCL-based Varistors

소결온도가 ZPCCL계 바리스터의 충격전류 스트레스 특성에 미치는 영향

  • 남춘우 (동의대학교 전기공학과)
  • Published : 2008.07.01
Download PDF
⟨ Previous Next ⟩

Abstract

The nonlinear electrical properties and aging characteristics against surge stress of ZPCCL-based varistors were investigated for different sintering temperatures of the range $1240-1300^{\circ}C$. As the sintering temperature increased, the varistor voltage decreased from 732.2 to 53.8 V/mm, the nonlinear exponent decreased from 58.5 to 4.1, and the leakage current increased from $0.38{\mu}A$ to $46.5{\mu}A$. The varistors sintered at $1250^{\circ}C$ and $1260^{\circ}C$ exhibited the high stability against multiple surge, $150A/cm^2(8{\times}20{\mu}s)$. On the whole, the variation rate of electrical characteristics against impulse current stress was gradually increased in order of varistor voltage$\rightarrow$nonlinear exponent$\rightarrow$dissipation facto$\rightarrow$leakage current.

Keywords

References

  1. L. M. Levinson and H. R. Pilipp, 'Zinc oxide varistor-A review', Am. Ceram. Soc. Bull., Vol. 65, No. 4, p. 639, 1986
  2. T. K. Gupta, 'Application of zinc dxide varistor', J. Am. Ceram. Soc., Vol. 73, No. 7, p. 1817, 1990 https://doi.org/10.1111/j.1151-2916.1990.tb05232.x
  3. D. R. Clarke, 'Varistors ceramics', J. Amer. Ceram. Soc., Vol. 82, No. 3, p. 485, 1999 https://doi.org/10.1111/j.1151-2916.1999.tb01793.x
  4. K. Mukae, K. Tsuda, and S. Shiga, 'Development of adanced arresters for GIS with new zinc-oxide elements', EEE Trans. Pow. Deliv., Vol. 3, No. 2, p. 591, 1988 https://doi.org/10.1109/61.4296
  5. S. Shichimiya, M. Yamaguchi, N. Furuse, M. Kobayashi, and S. Ishibe, 'Development of advanced arresters for GIS with new zinc-oxide elements', IEEE Trans. Pow. Deliv., Vol. 13, No. 2, p. 465, 1998 https://doi.org/10.1109/61.660916
  6. A. B. Alles, R. Puskas, G. Callahan, and V. L. Burdick, 'Compositional effects on the liquid-phase sintering of praseodymium oxides-based zinc oxides varistors', J. Amer. Ceram. Soc., Vol. 76, No. 8, p. 2098, 1993 https://doi.org/10.1111/j.1151-2916.1993.tb08339.x
  7. Y.-S. Lee, K.-S. Liao, and T.-Y. Tseng, 'Micro structure and crystal phases of praseodymium in zinc oxide varistor ceramics', J. Amer. Ceram. Soc., Vol. 79, p. 2379, 1996 https://doi.org/10.1111/j.1151-2916.1996.tb08986.x
  8. C.-W. Nahm, 'The nonlinear properties and stability of $ZnO-Pr_6O_{11}-CoO-Cr_2O_3-Er_2O_3$ ceramic varistors', Mater. Lett., Vol. 47, No. 3, p. 182. 2001 https://doi.org/10.1016/S0167-577X(00)00262-7
  9. C.-W. Nahm, 'Nonlinear electrical properties and DC accelerated aging characteristics of $ZnO-Pr_6O_{11}-CoO-Cr_2O_3-Dy_2O_3-based$ varistors', Solid State Commun., Vol. 127, No. 5, p. 389, 2003 https://doi.org/10.1016/S0038-1098(03)00436-8
  10. C.-W. Nahm, 'Microstructure and nonlinear electrical properties of $ZnO-Pr_6O_{11}-CoO- Cr_2O_3-La_2O_3-based$ varistors', J. Mater. Sci. Lett., Vol. 40, No. 23, p. 6307, 2005 https://doi.org/10.1007/s10853-005-4567-y
  11. C.-W. Nahm, 'The effect of sintering temperature on electrical properties and accelerated aging behavior of PCCL-doped ZnO varistors', Materials Science and Engineering B, Vol. 136, No. 2-3, p. 134, 2007 https://doi.org/10.1016/j.mseb.2006.09.010
  12. C.-W. Nahm, 'Effect of sintering temperature on nonlinear electrical properties and stability against DC accelerated aging stress of (CoO, $Cr_2O_3$, $La_2O_3)-doped$ $ZnO-Pr_6O_{11}-based$ varistors', Mater. Lett., Vol. 60, No. 28, p. 3311, 2006 https://doi.org/10.1016/j.matlet.2006.05.079
  13. 남춘우, 박종아, 유대훈, 'Zn-Pr-Co-Cr-Er 산 화물계 바리스터의 써지 스트레스에 대한 전기적 안정성에 미치는 소결온도의 영향', 전기전자재료학회논문지, 17권, 11호, p. 1167, 2004.
  14. 남춘우, 박종아, 유대훈, 'Zn-Pr-Co-Cr-Y 산화물계 바리스터의 써지 스트레스에 대한 전기적 안정성에 소결시간의 영향', 전기전자재료학회논문지, 18권, 7호, p. 615, 2005 https://doi.org/10.4313/JKEM.2005.18.7.615
  15. J. C. Wurst and J. A. Nelson, 'Lineal intercept technique for measuring grain size in two-phase polycrystalline ceramics', J. Amer. Ceram. Soc., Vol. 55, No. 97-12, p. 109, 1972 https://doi.org/10.1111/j.1151-2916.1972.tb11224.x
  16. International Electrothechnical Committee, 'IEC 61000-4-series, Electromagnetic Compatibility', IEC publisher, 1992