Power System Protection

Protecting power stations, sub stations and various types of industrial and mining electrical equipment is a speciality of ours at iST. Our fully integrated protection and control (ICAP) solutions are custom designed, manufactured and tested for each of our customers. We use the latest technology to ensure protection for everything from low voltage systems to Extra High Voltage (EHV) systems (anywhere from 400 V to 765 kV). We are also fully equipped to design and manufacture complete systems.

Our power system protection systems are capable of incorporating the latest high-speed algorithms required for maintaining stability in modern transmission and distribution systems. We also implement full dual-main protections systems as required by both our customers and end users. Our integrated systems are also capable of ensuring visibility and control of power system or plant equipment through use of the latest industry protocols, both locally and remotely.

We are active in the following industries:

  • Large utilities (Eskom Holding SOC, Copperbelt Energy PLC, Zesco, etc.)
  • Metros and Municipalities (éThekwini Electricity, City Power, City of Tshwane, etc.)
  • Mining (Harmony Gold, Xstrata, Foskor, De Beers, etc.)
  • Industry (Sason Limited, Natref, Rand Water Board, etc.)
  • Power Stations