Jun 21, 2023 #1 VLFit Electrical Feb 28, 2005 120 In terms of volts/mil, are these two equal in their voltage ratings. When oil soaked following a full vpi and when not soaked.
In terms of volts/mil, are these two equal in their voltage ratings. When oil soaked following a full vpi and when not soaked.
Jun 21, 2023 #2 electricpete Electrical May 4, 2001 16,774 I haven't heard of kraft diamond paper but I guess it's this https://www.electro-wind.com/3-mil-...per-flexible-laminate-105c-brown-48-wide-roll Clicking specs at the bottom of that page, shows 50 kV/mm oil soaked for that product. I don't think the phrase vacuum pressure impregnation (VPI) applies to any of this, but I gather you mean filling with oil under a vacuum. Upvote 0 Downvote
I haven't heard of kraft diamond paper but I guess it's this https://www.electro-wind.com/3-mil-...per-flexible-laminate-105c-brown-48-wide-roll Clicking specs at the bottom of that page, shows 50 kV/mm oil soaked for that product. I don't think the phrase vacuum pressure impregnation (VPI) applies to any of this, but I gather you mean filling with oil under a vacuum.
Jun 24, 2023 1 #3 prc Electrical Aug 18, 2001 2,010 No difference in KV/mm between the two. BDV in oil is approximately 5-7 times more than in air. Upvote 0 Downvote
