Abstract
Effects of mono-valent cations on dielectric properties of oil-impregnated paper were studied by the same method as that of un-impregnated paper.(1) In the range of this work, effects of mono-valent cations on the dielectric loss at low temperature (about 20°C) is not observed.(2) It is obvious that the order of cations which influences badly on the dielectric properties of oil-impregnated paper is same as that of un-impregnated paper. The order is as follows;(3) In order to compare the dielectric loss of oil-impregnated paper with that of un-impregnated paper, a value of tan δt/tanδu is obtained. Those values of the paper treated with NH4-salts are by far larger than those of the paper treated with other three electrolytes.
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