Electrical Transformers

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Installation, Repair, and Sales

DRS SÀRL specializes in the full lifecycle of transformer and mini-substation services, ranging from installation and maintenance to specialized oil purification and factory repairs. We ensure successful project delivery through expert site supervision and strict adherence to environmental and safety management standards. Our team is equipped to handle MV and LV work, offering immediate response for breakdowns and emergencies outside of standard hours.

phone iconDRS provides full transformer and mini-substation lifecycle services, including sales, installations, and factory repairs.
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We offer specialized oil management, including purification, regeneration, and expert testing, with immediate response for emergencies.

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services at a glance

  • Transformer & Mini Substation maintenance & installations.
  • Retro-filling_Natural & Synthetic Ester Oil (Midel Service Partner)
  • Retro-filling_Natural & Synthetic Ester Oil (Midel Service Partner)
  • Transformer Oil Purification (2000 – 4500Liter p/h – 3 Machines
  • Oil Regeneration plant is available (12 ton) for onsite.
  • Cable Installations – Joints & Terminations
  • Power factor Correction repairs, recordings & installation.
  • Rigging & Transport sub-contracting trucks (2 to 150 ton).
  • Renting of transformers / mini-subs.
  • Oil sampling & testing (Eskom oil specialist).
  • MV switchgear services & testing (Injection relays, protection)
  • Factory repair of transformers (Oven to bake core, re-wind of small windings, testing & oil filling plant
  • Electrical installations & testing (COC’s). MV & LV work.
  • Transformer Impedance Test /short circuit / Copper loss, Ratio tests
  • Transformer sales (stock +- 60 Recon Units)
Dreyer Risk Solutions

DRS SÀRL delivers end-to-end electrical solutions, specializing in transformer and mini-substation maintenance, installations, and factory repairs to keep critical mining operations powered efficiently.