Voltage Ageing Of Zinc Oxide Ceramics

Zinc oxide is an inorganic compound with the formula zn o zno is a white powder that is insoluble in water.

Voltage ageing of zinc oxide ceramics.

Zinc oxide zno varistor ceramics consisting of zno with small amounts of additives such as bi 2 o 3 sb 2 o 3 coo cr 2 o 3 and mn 2 o 3 exhibit excellent nonlinear current voltage i v characteristics and large surge absorption capability thus they are widely employed for overvoltage protection in power systems and electronic devices 1 2. Voltage ageing of zinc oxide ceramics ieee transactions on power delivery vol. The study of a c. It is used as an additive in numerous materials and products including cosmetics food supplements rubbers plastics ceramics glass cement lubricants paints ointments adhesives sealants pigments foods batteries ferrites fire retardants and first aid tapes.

Strings of text saved by a browser on the user s device. Those which exhibit a degradation in air and still a more significant degradation in sf6 or oil and those which do not show any visible degradation. The infona portal uses cookies i e. Voltage ageing in various fluids air sf6 transformer oil of zinc oxide based ceramics for hv and ehv surge arresters enabled the following points to be elucidated.