The repairs of units consists in the disassembly, the detailed inspection to identify the electrical and mechanical damages, the stripping of motor windings, testing for correct electrical and mechanical operation and the re-assembly.
Units:
AC Motors up to ~ 450kW
DC Motors up to ~ 350kW
Thrusters
Gearboxes
Brakes
Pumps
High Pressure Equipment
Motors outside these guidelines depending on size, weight and repair requirements
Coil Manufacture and Rewind
Various types of coils are manufacture by Northern Natal Armature Winders for a variety of applications.
Motor Coils
Contactor Coils
Magnet Coils
Induction Coils
Vacuum Pressure Impregnation (V.P.I.)
The completely submerged of the fully wound electric stator or rotor in resin. The resin gets assimilated throughout the insulation system using the combination of dry and wet vacuum and pressure cycles.
Dynamic Balancing
Dynamic balancing are performed in house for:
Rotors
Fans
Other Rotating Assemblies
Flameproof Certification
Flameproof is a junction box manufactured and certified as explosion and flame proof in accordance with the protection concepts.