Technical Expertise

New Installations

  • Installation and cold commissioning of all transformers
  • Commissioning and Decommissioning of High Voltage Equipment
  • Full vacuum, oil handling capabilities and filtration
  • Six Complete Mobile Oil and vacuum plant
  • Four fully equipped cold commissioning teams
  • Storage solutions for transformers
  • Turnkey projects
  • SERGI Transformer Protector (TP) installations
  • Installation of Vaisala instruments, for example OPT 100, MHT410, MMT162 amongst others
  • Supply and install Expiotech Moisture Management Systems
    (Transformer Drying Systems)

Maintenance

  • Assembly, installation, commissioning, and dismantling of transformers up to 910 MVA
  • Transformer and Tap changer maintenance (all types)
  • Oil leak repairs on transformers
  • Passivation and Inhibitor dosing of transformer oil
  • Main cover welding on transformers and on site modifications
  • Corrosion treatment and painting of transformers and high voltage electrical equipment
  • Spares sourcing

Consulting

Project management

Supplier

  • Distributor of Vaisala Energy products
  • Sole supplier of MR products in South Africa
  • Supply, store and deliver drummed transformer oil (Virgin oil)
  • Substation control earths/portable earthing equipment
  • Supply of bushings

Maintenance

  • Electrical testing with comprehensive analysis and detailed reports providing trending, interpretations and recommendations
    • Bushing H PF & Capacitance
    • Bushing X PF & Capacitance
    • Overall Power Factor and
    • Capacitance
    • Excitation Current
    • Leakage Reactance
    • Ratio
    • DC Winding Resistance
    • SFRA
    • CT’s
    • Functional Test
    • DRM
    • Frequency Domain
    • Spectrometry (FDS)
  • On site repairs of all electrical equipment up to 765 kV
  • Workshop repairs of small electrical equipment

Company plant and equipment

Workshops and offices in Cape Town and Johannesburg.

  • Tools and equipment
    (Includes a wide selection of specialised tools and equipment for service on site or in our workshops).
    • Dry-air Generators
    • Complete rigging sets
    • ISO-tanks for oil handling & processing
    • Testing equipment: Dewpoint, Humidity Meters, Oxygen Meters, Impact Recorders, Cold Commissioning
    • Mobile site store/office
  • Vehicles
    • Various crane trucks with aerial bucket and other necessary equipment
    • Various tool and equipment vans and trailers
  • Staff

Motivated teams that are highly skilled and trained to cover all areas of the electrical maintenance field.

Competence certification available on request.

Transport

Transport and rigging of transformers up to 910 MVA

Transportation of electrical equipment