ZnO varistors with high voltage gradient and low leakage current by doping rare-earth oxide

Science in China, Series E: Technological Sciences

Volumn 51, Issue 6, 2008, Pages 693-701

  He, JinLiang ^a   Hu, Jun ^a   Lin, YuanHua ^a  

^a TSINGHUA UNIVERSITY   (China)

Author keywords

Leakage current; Nonlinear coefficient; Rare earth oxide; Spinel; U I characteristics; Voltage gradient; ZnO varistors

Indexed keywords

DOPING (ADDITIVES); GRAIN BOUNDARIES; LEAKAGE CURRENTS; METAL OXIDE CERAMICS; RARE EARTH COMPOUNDS; VARISTORS;

NONLINEAR COEFFICIENT; RARE EARTH OXIDES; U-I CHARACTERISTICS; VOLTAGE GRADIENT; ZNO VARISTORS;

ZINC OXIDE;

EID: 43249105107     PISSN: 10069321     EISSN: 1862281X     Source Type: Journal    
DOI: 10.1007/s11431-008-0085-x     Document Type: Article

References (10)

1. Wu W H, He J L, Gao Y M. Properties and Applications of Nonlinear Metal Oxide Varistors. Beijing: Tsinghua University Press, 1998
2. Liang Y J. Applications of Metal Oxide Nonlinear Resistor on Power System. Beijing: China Electrical Power Press, 1997
3. Chen Q H, J He J L, Zhou W J, et al. Surge Protection for interface circuits of communication system. IEEE Trans Power Del, 2003, 18: 85-89
4. Eda K. Zinc oxide varistors. IEEE Electr Insul Mag, 1989, 5(6): 28-41
5. Imai T, Udagawa T, Ando H, et al. Development of high gradient zinc-oxide nonlinear resistors and their application to surge arresters. IEEE Trans Power Del, 1998, 13: 1182-1187
6. 3-based varistor ceramics. J Eur Ceram Soc, 2001, 16: 1875-1878
7. Mukae K, Tsuda K, Nagasawa I. Capacitance-vs-voltage characteristics of ZnO varistor. J Appl Phys, 1979, 50: 4475-4476
8. Cai J N, Lin Y H, Li M, et al. Sintering temperature dependence of grain boundary resistivity in a rare-earth-doped ZnO varistor. J Am Ceram Soc, 2007, 90: 291-294
9. Chen Q H, He J L, Tan K X, et al. Influence of grain size on distribution of temperature and thermal stress in ZnO varistor ceramics. Sci China SerE-Tech Sci, 2002, 45: 337-347
10. Chen Q H, He J L, Tan K X, et al. Influence of the microstructure on current distribution in ZnO varistor. Proc CSEE, 2002, 22(8): 62-66