Improvement of energy-handling capability of the ZnO varistors prepared by fractional precipitation on the seed materials

Wang, Yuping; Li, Shengtao; Zhang, Mingcai; Cheng, Pengfei; Lin, Yuefei; Alim, Mohammad A.

doi:10.1007/s10854-006-9041-3

Cited by 3 publications

(1 citation statement)

References 10 publications

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“…In previous research, many ceramic varistors have been investigated with a ZnO base, 4–7 SiC base, 8 and titanate complex oxide ceramics base 7,9,10 . These varistors have the nonlinear properties of voltage and current relation: I = kV α , where k is a constant and α is a nonlinear coefficient.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of a Composite Varistor with Electrical Conductive Ni Filler and Electrostriction PNZST Matrix

Miyazaki

Tsuruzawa

Hirashita

et al. 2007

Journal of the American Ceramic Society

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A composite varistor was fabricated using Ni powder as conductive filler and PNZST antiferroelectric powder as electrostriction matrix. The composite is an electrical insulating material when an electrical field is not applied. When the electrical field was applied to the composite, the PNZST powder matrix was distorted. A conduction path was formed in the composite because of the distortion of the electrostriction matrix and thus the composite became a conductive material when the electrical field was applied. Composites using an Ni filler with 4-lm particle size and a PNZST matrix with 2-lm particle size showed a varistor property with volume fractions 33% and 37%; the nonlinearity coefficients of the composites were 3.85 and 3.82. The composites using an Ni filler with 40-lm particle size and a PNZST matrix with 2-lm particle size also showed varistor properties with volume fractions 50% and 53%, and nonlinearity coefficients of the composites were 3.65 and 3.12.

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Section: Introductionmentioning

confidence: 99%

Fabrication of a Composite Varistor with Electrical Conductive Ni Filler and Electrostriction PNZST Matrix

Miyazaki

Tsuruzawa

Hirashita

et al. 2007

Journal of the American Ceramic Society

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Effect of MnO2${\text{MnO}}_{2}$ doping on AC aging characteristics of varistor in arrester

Fu,

Zhang,

Fan

et al. 2024

Int J Ceramic Engine & Sci

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As the core component of lightning arrester, the performance of ZnO varistor directly affects the protection level of lightning arrester. Under the action of long‐term AC voltage, the varistors are prone to AC aging, which leads to the deterioration of its performance parameters and microstructure, resulting in the failure of the varistors. In this paper, the effects of doping on the voltammetry and double Schottky barrier characteristics of ZnO varistors under AC were studied by means of , scanning electron microscopy, and energy‐dispersive X‐ray spectroscopy characteristic testing. The AC accelerated aging test was carried out for 168 h under 135 and 0.85 ratio of peak voltage. The results showed that the introduction of inhibited the migration of interstitial zinc ions to grain boundaries and decreased the AC aging rate. The aging rate was lowest when 1.5 mol% was doped.

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Improvement of Surface Flashover Performance in Vacuum of A-B-A Insulator by Adopting ZnO Varistor Ceramics as Layer A

Zhang

Huang

et al. 2010

IEEE Trans. Plasma Sci.

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Improvement of energy-handling capability of the ZnO varistors prepared by fractional precipitation on the seed materials

Cited by 3 publications

References 10 publications

Fabrication of a Composite Varistor with Electrical Conductive Ni Filler and Electrostriction PNZST Matrix

Fabrication of a Composite Varistor with Electrical Conductive Ni Filler and Electrostriction PNZST Matrix

Effect of MnO2${\text{MnO}}_{2}$ doping on AC aging characteristics of varistor in arrester

Improvement of Surface Flashover Performance in Vacuum of A-B-A Insulator by Adopting ZnO Varistor Ceramics as Layer A

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