Energy recovery from high pressure cold water in mines

  The mining industry in South Africa, being responsible for 18% of electricity demand, is seriously looking at alternative, more energy effective processes, without reducing output. Deep level mines require large volumes of cold water at the underground production levels. The energy consumed by these pumping installations constitutes approximately 14% of the mine’s overall demand. […]

Vector appointed official magazine of IESSA

EE Publishers is pleased to announce that at the recent council meeting of the Illumination Engineering Society of South Africa (IESSA), it was decided and agreed that Vector magazine would henceforth be the association’s official publication. This decision came in the light of the longstanding, excellent working relationship between IESSA and Vector over many years. […]

Telkom MTN mating dance awaits consummation

by Hans van de Groenendaal, features editor, EE Publishers It is amazing how fast things can change in the mobile space – one day acrimonious and unseemly public disputes between hostile competitors, a week later overtures to get into bed together! After last week’s spat where Telkom accused MTN and Vodacom of holding the country back […]

Eskom’s chickens coming home to roost

Eskom been downplaying and minimising the possibility of load shedding since the blackouts of 2008. Only a week ago, Eskom CEO Brian Dames told the assembled media that Eskom had the power system in South Africa fully under control. Yesterday, however, Eskom pulled the plug on the country and commenced with rotational load-shedding of domestic, […]

Video: Hydro surveying solutions for sludge dam monitoring

by Pierre Potgieter, EE Publishers Hydro surveying of mine sludge dams has become necessary due to increasing levels of mine waste, stricter environmental regulations and a growing demand for more data for efficient mine management. AngloGold Ashanti’s 2004 Report to Society states that there are more than 270 tailings dams, covering roughly 400 km2 on […]

Video: Brian Dames says Eskom has full control of SA’s power system

  by Roger Lilley, editor Addressing the media regarding the state of the system, Eskom’s chief executive, Brian Dames, said that last week’s emergency was caused by the loss of about half of the electricity it usually receives from the Cahora Bassa hydro-electric scheme in Mozambique. This shortfall brought an already tight supply system dangerously […]

Ambient LED lighting advances in tomorrow’s vehicles

  The advancement of ambient LED lighting solutions stems from the quest by automotive-OEM interior stylists to add value and make their vehicles more appealing while creating a truly positive driving experience and increasing brand awareness. Electronics is the fastest-growing sector of automotive content, over mechanical, pneumatics and hydraulics. With the increasing number of ambient […]

Video: The state of energy in Africa

Following the recent IMF Annual Meeting, CNBC Africa hosted a special panel discussion and debate at the Wits Business School in Johannesburg to discuss South Africa’s role in the global energy market. The discussion focused on the state of energy in Africa and how the business sector is addressing these challenges and the implications of […]

Is the virtual PBX the death of traditional premises-based PBXs?

  The question of virtual PBX replacing trditional premises-based PBXs has been around boardroom tables for some time. “Do we invest in a hosted solution or do we keep our communication in-house? Do we go the IP route or do we stay with a physical connection from Telkom?” The days of simply contacting a traditional […]

SA digital laser a world first

  by Hans van de Groenendaal, EE Publishers South African researchers have developed the world’s first digital laser, creating many new applications for laser technology Conventional laser devices commonly consist of mirrors, energy (light) and a casing containing a medium, for example crystal or glass. The medium changes the frequency of the light to create […]