Preformed Windings

Diamond Coils

Preformed Windings manufactures an extensive range of high voltage motor and generator coils to an approved in-house specification.  Our Diamond Coil offering range from 400v to 16kV with both resin rich and VPI insulation options.

We work with clients across a range of industries, covering everything from traction to power generation. Our products are all manufactured to the highest standards and we pride ourselves on providing a responsive service with quick delivery times both in the UK and abroad

INSULATION SYSTEMS:

• Hot Pressed Resin RichUn-pressed Resin RichVacuum Pressure Impregnation (VPI)
• SPECIAL COIL INSULATION SYSTEMS:
• Customer Specified DesignSealed / NEEMAHermeticHybrid / Combination
• CONDUCTOR MATERIALS:
• Copper Grade C101, BS1432, Cond “O”Mica / FilmNomexEnamel / DacronEnamel / MicaEnamel / GlassMica / Glass
• MAIN INSULATION MATERIAL:
• Mica / FilmMica / GlassMica / Glass / FilmVPI
• CORONA DISCHARGE PROTECTION:
• Semi Conductive / Stress Grading TapeConductive / Corona Shield Tape
• QUALITY / TESTING & INSPECTION:
• ISO 9001:2008 / Sub Conductor Inter-TurnHigh VoltageTan DeltaTVA ProbeBS EN 50209:1999ESI 44-5