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Coil Spec Selection Assistance




Home –> High Voltage Coil Manufacturer  –> Coil Spec Selection Assistance

We acknowledge that choosing an appropriate coil specification can pose a challenge. Hence, we offer the table below for comparing Preformed Windings’ standard coil specifications to aid you in selecting a suitable coil design for your application. Additionally, we customize coils according to customer and end-user specifications. As our coils are engineered products with varying specification needs, we always recommend discussing your requirements with our experienced technical team. The following information is provided solely as a guide.

Resin RichGlobal VPI Hybrid Fully Cured
SummaryThis is our standard resin rich coil preferred by our customers due to it's flexibility which eases installation and mitigates the risk of damage. Our standard VPI coil is provided in 'green' state meaning the coils accept VPI.Our hybrid coil utilises a resin rich slot portion with VPI accepting material in the end windingResin Rich coil fully cured (baked)
Suitable for Voltage3.3kV - 18kV
Flexible
Glassback insulation
Filmback insulation
Additional Processing
required
NoYes (VPI)Yes (VPI)No
Moisture Protection
Dirt/Dust protection
Class F
(160 Degrees C
Class H
(180 Degrees C)
Class C
(220 Degrees C
Corona ProtectionStandard on coils 5kV and above
Suitable for storage
(assuming suitable
environment

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