Electric Motors

LH Marthinusen provides comprehensive electric motor services to support the reliable operation of rotating electromechanical equipment across industrial environments. Our teams offer a 24-hour breakdown service, ensuring rapid response to minimise downtime and restore equipment to service as quickly as possible.

Installation, Maintenance and Repairs

Our capabilities include the removal, installation and commissioning of electric motors, supported by detailed fault finding and condition assessment. These services are carried out to ensure accurate diagnosis and effective restoration of equipment.

Key services include:

  • Removal, installation and commissioning of electric motors
  • Fault finding and condition assessment
  • General motor maintenance

Mechanical and Performance Support

To maintain mechanical stability and optimise performance, LHM provides a range of precision services:

  • Laser alignment of rotating equipment
  • Vibration analysis using specialised equipment
  • Trim balancing
  • Bearing changes including rolling element and sleeve bearings

Additional specialised services include:

  • Commutator and slipring skimming and profiling
  • Dry ice cleaning of electrical equipment
  • On site rewinding of large stators and rotors

Testing and Diagnostics

LHM offers a wide range of onsite testing and advanced diagnostic services to support condition assessment and performance verification.

Routine testing includes:

  • Polarisation index testing
  • Insulation resistance testing
  • Surge comparison testing
  • Winding resistance testing
  • Neutral checking for DC motors
  • Volt drop and polarity testing

Advanced diagnostic testing capabilities include:

  • VLF testing
  • Gauss testing
  • Tan delta testing
  • Partial discharge testing
  • Elcid testing up to 50MVA

Through specialised equipment, structured processes and experienced technical teams, LH Marthinusen delivers electric motor services that support reliable operation and extended equipment life across industrial applications.