Fig. 8From: Impact of volcanic ash from Cotopaxi-2015 and Tungurahua-2016 eruptions on the dielectric characteristics of suspension insulators, EcuadorDielectric loss factor angle (black), current (red) and voltage (blue) of the porcelain and glass insulators with fresh volcanic ash from Cotopaxi-2015 and Tungurahua-2016 under the six contamination scenarios. Dashed orange lines highlight flashover occurrence and green asterisks depict the FOVminBack to article page