Transformer Coils

LH Marthinusen manufactures and refurbishes transformer coils for a wide range of power and industrial applications. Our capabilities include the supply of HV, LV and tapping coil sets, as well as individual coils manufactured or replaced according to defined technical specifications. Each coil is produced with strict attention to dimensional accuracy, insulation integrity and electrical performance to ensure reliable integration within the transformer assembly.

Comprehensive Coil Solutions

We provide:

  • HV, LV and tapping coil sets
  • Manufacture of new coils to specification
  • Refurbishment and replacement of existing coils
  • Precision production aligned to defined technical requirements

All coils are engineered to support dependable performance within the complete transformer system.

Specialised Coil Applications

Furnace induction coils are manufactured to withstand demanding operating conditions. Design considerations focus on:

  • Mechanical strength
  • Thermal performance
  • Stable electrical characteristics

Dry type coils are available in vacuum impregnated configurations, enhancing insulation strength and supporting long term operational reliability.

Winding and Insulation Options

A range of winding configurations is available to meet specific electrical, thermal and mechanical requirements, including:

  • Disc windings
  • Layer windings
  • Helical windings
  • Interleave windings

Insulation systems incorporate thermally upgraded Kraft paper and Nomex materials where specified to improve thermal capability and durability.

Conductor options include enamel, rectangular and continuously transposed conductors to suit specific design requirements.

Through controlled manufacturing processes, detailed quality inspections and adherence to technical standards, LH Marthinusen delivers transformer coil solutions that support reliable transformer performance and extended service life across diverse applications.