Motor
Improving Winding Reliability & Thermal Protection
Extreme Temperature & Fire Resistance
1. Long-Term Heat Resistance for Continuous Operation
Pain Point: Motors often operate under continuous load with high temperatures, leading to insulation aging, breakdown, and unplanned shutdowns.
Solution:
High-temperature resistant laminates: Materials like NMN, NHN, and F-DMD offer excellent thermal stability up to Class F (155°C) or H (180°C), ensuring long-term durability in stator and rotor windings.
Insulation crepe paper: Offers flexibility and uniform wrapping for end-turns and coils in both low and high-voltage motors.
2. Electrical Breakdown & Partial Discharge Risks
Pain Point: Electrical stress between windings and stator cores can lead to insulation failure, especially in high-speed and inverter-fed motors.
Solution:
DDP Paper and Kraft Paper Insulation provide reliable dielectric strength for layer and interturn insulation.
Fish Paper and PMP are used for slot liners and separators to enhance resistance against voltage surges.
3. Mechanical Wear & Vibration
Pain Point: Motor windings are subject to vibration and friction, which can wear out conventional insulation materials.
Solution:
Pressboard Strips and Laminated Densified Wood are used for structural insulation support, improving mechanical stability in slot wedges and end-support areas.
Epoxy Sheet and Phenolic Sheet serve as rigid supports in high-vibration environments.
4. Compact Design & Thermal Management in Small Motors
Pain Point: Smaller motors require insulation that offers high performance in limited space without compromising heat dissipation.
Solution:
PET Film and Polyester Film provide thin yet effective dielectric insulation for small and fractional-horsepower motors.
DMD and F-DMDM are ideal for layered insulation with excellent thermal conductivity and flexibility.
Common Applications
- GENERATOR
- TRANSFORMER
- SWITCHGEAR
- POWER ELECTRONICS
- METALS PROCESSING
- MEDICAL
- electric vehicles
- aerospace
- oil & gas
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