Recent Generator Stator Coil Insulation System Developments

Past Century of Ground Wall Insulation Evolution

• Material – Asphalt Mica ⇒ Polyester ⇒ Epoxy
• Process – Dipping, Wet Lay Up, Autoclave / VPI, Resin Rich
• VoltsPerMil (VPM) -65 VPM is a good target for today’s technology