%0 Journal Article %T Solid insulation drying of 110 kV paper-oil instrument transformers %A Gerards Gavrilovs %A Sandra V¨Štoli a %J Scientific Journal of Riga Technical University. Power and Electrical Engineering %D 2009 %I %R 10.2478/v10144-009-0007-1 %X Influence of moisture on the instrument transformers' paper-oil insulation and its further maintenance is described in this paper. Improved insulation drying method using vacuum and temperature regulation with definite regulation algorithm of parameters is proposed and analyzed by comparing it with conventional drying method. %U http://versita.metapress.com/content/w754712528613867/?p=65897b1702f44737a0164b2f3401701a&pi=6