Electrical Coil & Spares
RKELC provides coils (up to 22 kV) and spare assemblies for industrial generators, ensuring reliable operation and reduced downtime during maintenance cycles. Components such as Roebel coils, diamond coils, field coils, damper bars, and brush gear are supplied as OEM-compatible replacements and built to international standards for power plants and heavy industrial facilities.
All coils and spares are built to IEEE and IEC standards and verified for dimensional accuracy, dielectric performance, and long-term mechanical integrity under high thermal and centrifugal stresses.
Specifications
Voltage Range
Up to 22 kV
Insulation Class
F, H
Conductor Material
Copper
Max coil length
5mts (slot portion)
Manufacturing Standard
IEEE, IEC
Applications
Application band
Power & Energy
Power generationOil & gas industry
Application band
Heavy Industry
Steel & Metallurgical MillsCement PlantsMining & Minerals ProcessingPulp & Paper MillsShipyards & Marine
Application band
Process Industries
PharmaceuticalsFertilizer PlantsPetrochemical ComplexesSugar & Ethanol Mills
Features
Product core
In-house manufactured electrical coils and spare parts (up to 22 kV) for motors, generators, and transformers, ISO 9001:2015 certified, IEEE/IEC compliant, serving power, oil & gas, and heavy industries—supporting OEM replacement, refurbishment, and outage maintenance requirements.
Coil Types
- Roebel bar coils (half coils)
- Diamond coils
- DC field & interpole coils
- HV & LV transformer windings
- OEM replacement/form-wound coils
Rotor & Damper Components
- Damper bars and short-circuit segments
- Rotor wedges, keys, and retaining hardware
- Copper end-rings and conductors
- Rotor insulation components
Insulation & Materials
- Class F/H insulation systems
- Mica tapes, glass fabrics & slot liners
- Resin & VPI-compatible consumables
- Ground-wall, turn insulation & phase insulation kits
Mechanical Spares
- Bearings, seals & sleeves (OEM equivalent)
- Brush gear assemblies & holders
- Carbon brushes & contacts
- Terminal boards, fasteners & mounting hardware
Delivery Journey
1
Requirement Review
We confirm electrical, mechanical, and application needs before finalizing the product scope.
2
Manufacture & Quality Checks
Components are manufactured or assembled under controlled processes with in-process inspection.
3
Testing & Dispatch
Finished products are verified against the required standards and prepared for safe delivery.
1
2
3
Requirement Review
We confirm electrical, mechanical, and application needs before finalizing the product scope.
Manufacture & Quality Checks
Components are manufactured or assembled under controlled processes with in-process inspection.
Testing & Dispatch
Finished products are verified against the required standards and prepared for safe delivery.
Ready to order?
Contact our team for pricing, customization options, and delivery timelines.