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EE Publishers
P O Box 458
Muldersdrift
1747
South Africa
Tel: 011 543 7000
Fax: 011 543 7025
[email protected]
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EE Publishers (Pty) Ltd All rights reserved
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by Prof Philip Lloyd, Energy Institute, CPUT
Everyone agrees that we need sustainable development, but when you scratch the surface, you soon discover people talking past each other. How can chopping down trees or digging up gold be sustainable?... (more)
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by Mark Botha, EE Publishers
Following the early departure of Jill Godden, Mark Mfikoe, former president of the Electrical Contractors Association of South Africa, ECA(SA), has been appointed the association's national director... ( more)
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Do graduates in SA's built environment meet industry's expectations?
Information from the Council for the Built Environment A recent study by the Council for the Built Environment (CBE) has found that poor service delivery in South Africa relates directly to competency and to whether the skills sets of employees in the Built Environment are suited to their work... ( more) |
Vector Inbox May 2014
Letters to the editor
This month, our readers respond to the article, "Electricity problems converge as Eskom CEO departs" by Chris Yelland, and write that South Africa has lost precious engineering talent due to government policy... ( more) |
Information from IESSA
VC8043, the compulsory specification for incandescent lamps, has been published but has not yet been reflected on the NRCS website. This specification covers the more efficient incandescent lamp and lays down requirements for light output... (more)
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Survey shows new engineering profile in SA
Information from ICMEESA
The National Engineering Skills Survey was launched to determine the availability of engineering skills in South Africa and to improve national engineering skills planning. Of particular interest were the education pathways of technicians and technologists... (more)
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Engineering Certificate of competency
Information from ICMEESA
Vector publishes exam questions from previous exams issued by the Department of Higher Education and Training as a service to our readers who are studying for their Engineering Certificate of Competency... ( more)
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Q&A: Ask an expert
In this article, we talk to Paul Meanwell, president of the South African Flameproof Association (SAFA), and learn more about explosion prevention and the benefits of membership to the association... (more)
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Toets 'n Bakkie: The ultimate Trailblazer
by Dirk Engelbrecht
About a year ago, I tested the Chevrolet Trailblazer V6 3,6 litre 4 x 4 automatic. I was more impressed by the engine sound than by the actual power. The good news is that the new Trailblazer, the 2,8 l diesel Duramax, is a huge improvement, with power available at all times... ( more)
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Ambient LED lighting advances in tomorrow's vehicles
by Johann Stelzer, Andreas Reiter and Frank Ziegenhorn, Microchip Technology
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... ( more) |
Securing cyber access at the machine level
by Hal Theobald, Schneider Electric
Local maintenance personnel tend to resort to the original equipment manufacturers (OEMs) of their drives and machinery to solve problems. This requires the OEMs to have remote access to the machine level, posing security concerns... (more)
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Surge protection for LED mast lights
Information from DEHN Protection
LED mast lights for street, walkway and open space lighting are mounted at light point heights of several metres to ensure a large field of illumination. This, however, is only possible with sufficient luminous flux of the light source... (more)
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From the ICMEESA archive: Some interesting features of a modern power station
A closer look at South Africa's most modern power plant, Arnot, focusing on its coal and ash handling plant; boilers; water plant; generators and control and monitoring, among others... (more)
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What will MV switchgear look like in the future?
by Jean-Marc Biasse, Schneider Electric
The development of the switchgear of tomorrow is coupled with the deployment of the smart grid which will require two-way communication. This poses the question of what is needed to ready today's technology for the challenge... ( more) |
Dynamic compressor selection programmes: practical challenges
by Dr. Gerhard Bolt, Dr. Johan Marais, Dr. Johann van Rensburg, North-West University
The real-time energy management system for dynamic compressor selection selects compressors dynamically, based on their efficiency and position within the compressed air network... ( more) |
Novel redesign of welded pressure leach autoclaves for the platinum industry
by Prof. Madeleine du Toit et al
The base metals refinery of a major platinum producer in South Africa refines converter matte-containing base metals and platinum group metals (PGMs) using a five-stage hydrometallurgical process. The second-stage leach produces a PGM-rich residue... (more)
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Load management on closed loop underground fridge plant
by Walter Booysen and Dr. Johann van Rensburg, North-West University
Load management projects are widely implemented in South Africa. Eskom Demand Side Management (DSM) endorses these projects as they aid in reducing the utility's peak demand. There is also a cost benefit for participating entities billed on time of use (ToU) tariff structures... (more)
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