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ELECTRICAL

GFRP (Glass Fiber Reinforced Plastic), SMC (Sheet Molding Compound), and DMC (Dough Molding Compound) composites are widely used in electrical applications, particularly as insulation components in motors. Their excellent electrical insulating properties, combined with good mechanical strength, thermal stability, and ease of processing, make them ideal for this purpose.

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Materials for Electrical Insulation:

  • GFRP (Epoxy-based): Epoxy resins offer superior adhesion, excellent electrical insulation, and good mechanical properties. They are commonly used in motor insulation components such as slot wedges, end bells, and coil supports. Polyester-based GFRPs offer a more cost-effective alternative for less demanding applications.  

  • SMC (Glass-filled Polyester or Epoxy): SMC provides a good balance of mechanical properties, electrical insulation, and processibility. It's often used for larger motor components like housings, end caps, and terminal boards. The high fiber content in SMC contributes to its strength.  

  • DMC (Glass-filled Polyester or Epoxy): DMC is easily moldable into complex shapes and offers good electrical insulation. It's well-suited for smaller, intricate components like brush holders, connectors, and insulating parts within the motor. DMC's flowability allows for intricate designs.

Insulating Components for Motors

Applications in Motor Insulation:

  • Slot Wedges: GFRP

  • End Bells/Caps: GFRP and SMC

  • Coil Supports: GFRP

  • Motor Housings: SMC

  • Terminal Boards: GFRP and SMC

  • Brush Holders: DMC

  • Connectors and Insulators: DMC

Switchboard Applications

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Applications in Switchboard Applications:

  • Switchboard Enclosures - SMC

  • Insulating Panels and Barriers - GFRP

  • Busbar Supports and Insulators - DMC

  • Circuit Breaker Components - GFRP and DMC

  • Terminal Blocks and Connectors - DMC and SMC

  • Meter Boards and Moulding Panels - SMC

  • Cable Trays and Supports - GFRP

  • Arc Shields and Barriers - GFRP

Transformer - Tap Changer Applications

Applications in Transformer - Tap Changer: 

  • Tap Changer Housings: GFRP

  • Insulating Components: GFRP 

  • Structural Supports: GFRP

  • Tap Changer Covers: SMC

  • Enclosures: SMC

  • Mounting Panels: SMC

  • Insulating Parts: DMC 

  • Arc Chambers: DMC

  • Bushings: DMC

Breaker Applications

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Applications in Breaker:

  • Structural Components: GFRP

  • Breaker Housings: GFRP

  • Support Frames: GFRP

  • Operating Handles: GFRP

  • Insulating Parts: GFRP

  • Insulating Panels: GFRP

  • Arc Chutes: GFRP

  • Bushings and Insulators: GFRP

  • Enclosures and Covers: SMC

  • Breaker Boxes: SMC

  • Front Covers: SMC

  • Meter Boxes: SMC

  • Internal Components: SMC

  • Base Plates: SMC

  • Terminal Blocks: SMC

  • Complex Insulating Parts: DMC

  • Arc Chambers: DMC

  • Insulating Components in Tight Spaces: DMC

  • Contact Carriers: DMC

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