A review of HVDC in China

By 2018, about 60% of the installed capacity of HVDC schemes worldwide will be in China (in only 20% of the number of schemes). By necessity, China has become the leader in HVDC, with a strong emphasis on developing its own country’s capabilities. The result is that Chinese HVDC firms are now globally competitive on complete HVDC schemes, with ?800 kV and 6400 MW schemes being standard. Chinese firms are also at the forefront of the development of HVDC technology with the testing of 1100 kV valves as well as fault based maintenance methodology… (more)

Shunt capacitor banks increase capacity of distribution networks

National growth manifests itself to the power supply industry as a surge in demand on the distribution networks, which form the bulk of the electricity supply industry infrastructure but don’t get the attention enjoyed by the transmission networks or generation infrastructure… (more)

Designing power factor correction equipment for economic returns

The market for power factor correction (PFC) equipment in South Africa has been driven by the electricity tariffs related to power factor and reactive energy. As a result, the market for industrial and mining PFC has been very quiet, but this is expected to change suddenly as Eskom plans to implement a “low power factor” charge from July 2011… (more)