Reactive Power

The RPC, FACTS & HVDC division provides a comprehensive range of solutions in Reactive Power Compensation (RPC), Flexible AC Transmission Systems (FACTS), High Voltage Direct Current (HVDC) and Power Quality. With majority market share in its chosen markets, the RPC, FACTS & HVDC division is the most dependable option for clients to choose.


The RPC, FACTS & HVDC division has the following key achievements:


  • Successfully completed over 600 projects in reactive power from 3.3kV to 765kV
  • Supplied over 95% of Eskom High Voltage Shunt Capacitor Banks
  • Installed Apollo 533kV HVDC valves and control & protection
  • Installed & project managed Series Compensation up to 765kV
  • Customers include all major power users in Southern Africa including Eskom, BPC, Motraco, Nampower, Zesco, Anglo American, BHP Billiton, De Beers, Impala, etc.
  • References with the international Electrical Engineering groups (ABB, Siemens, Alstom, GE etc)
  • African experience includes Mauritius, Botswana, Swaziland, Mozambique, Namibia, Zambia, Zimbabwe, Tanzania, Kenya, Uganda, Nigeria, Ghana and Benin

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Complete Services offered:

  • Capacitor Banks
  • Shunt Capacitor Banks for Power Factor Correction (PFC)
  • Shunt and Series Capacitor Banks for Transmission systems
  • Complex harmonic filters
  • Overhead Line Compensation systems
  • Shunt & Series Reactors
  • Air Core, Iron Core and Oil Cooled
  • Dynamic Compensation Systems
  • Associated switchgear, bay equipment, control & protection
  • Full design service including harmonic integration studies, economic (savings) impact studies
  • Technical Service Centre (TSC) integrating solutions from world class OEMs
  • Monitoring, Maintenance and Optimisation of existing installations
  • Power Quality
  • Voltage Regulation
  • Dip Mitigation
  • Harmonic Filtering
  • Power Quality SCADA system
  • Flexible AC Transmission Systems (FACTS)
  • Static Var Compensators (SVCs)
  • StatCom (SVGs)
  • Series Capacitors (SCs)
  • High Voltage Direct Current (HVDC)
  • HVDC Primary Equipment
  • HVDC Control & Protection
  • HVDC Lite (VSC-HVDC)
  • Technical Service Centre – local support with full OEM support


Benefits of Reactive Power Compensation

Reactive Power Compensation projects assist customers improve the technical reliability and economics of their transmission and distribution system


  • Voltage support and improved regulation
  • Increased transmission capacity
  • Reduced system expansion costs
  • Reduced kW and KVAr system losses
  • Improved system power factor
  • Improved economics of electricity supply
  • Reduction of harmful harmonics
  • Improved system stability