Protective relay travelling wave fault location

  For decades, various versions of the Takagi algorithm have been used by microprocessor-based relays for fault location. This system provides accurate fault location, limited by nonhomogeneous infeed, load flow, fault resistance, and series-compensated or parallel lines. With the emphasis placed on reliability in today’s power systems, the need for improved accuracy in fault location […]

Power by innovation, innovation through partnerships

  Since 1935, African Cables, now CBI-electric: african cables, has designed and manufactured a comprehensive range of electric power cables at its Vereeniging factory. The growth of its manufacturing facility has consistently met local demand for product, while technological advancement has remained abreast of international trends. Today, the company employs over 800 people and is […]

Reactive Power, the compensation specialists

  Reactive Power has rapidly advanced to the leading medium voltage (MV) power factor correction and harmonic filtering supplier in Southern Africa. The company is based in Johannesburg and operates throughout the Southern African region. The people forming the company have been serving the electrical industry for many years, going back to the late 1980s. […]