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EE Publishers
P O Box 458
Muldersdrift
1747
South Africa
Tel: 0115437000
Fax: 0115437025
admin@ee.co.za
www.eepublishers.co.za |
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EE Publishers (Pty) Ltd All rights reserved
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 2012: the year in review by Mark Botha, editor
In this, the first "lead editorial" for 2013, we take a look at the events of 2012 and highlight the challenges, opportunities and threats to the local market and our industry over the past year... (more)
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 LED standards, guidelines called for at ICUE by Prof. Nico Beute, CPUT
An LED workshop hosted at the recent Industrial and Commercial Use of Energy (ICUE) conference highlighted the urgent need for LED standards and guidelines to ensure that South Africa does not become a dumping ground for substandard equipment... (more)
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The transition towards a sustainable public private partnership regime
by Dr. Stephan Jooste, Aurecon
Many governments still believe that implementing new schemes and procedures will lead to successful projects, but they often do not realise that changes in the landscape level usually take place slowly, over decades... (more)
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Experts Q&A
Answers by Vector tech experts
A rather "controversial" article highlighted the legality of the use of wall boxes for the installation of electrical equipment in roof and ceiling spaces. What does one do when an entire rewire of an older installation has to be effected? ... (more)
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Interview with ECA(SA) president Dirk Engelbrecht
by Mark Botha, editor Some 35 years ago, I travelled to Johannesburg for a formal interview to see if I was considered "ECA material". I was elected vice chairperson of the then Pretoria branch in the late 1980s and kept the position throughout the 1990s and into the 2000s... ( more)
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Vector Inbox: On gas hobs, socket outlets and isolators
by Tyron Vomberg, Inspecto ServicesI have a few concerns regarding what seems to be a conflict between the electrical and gas standards... ( more)
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Electric geysers to include efficiency labels
by Trevor van der Vyver, Maxlite
The latest SANS 151 published in August 2012 for fixed electrical storage water heaters has taken a bold step by adding an energy efficiency label as a legal requirement to geysers... ( more)
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Sick notes from sangomas - are they valid?
by Lucas Bowles, ECA
A recent decision by the Labour Appeal Court has been misinterpreted by some as meaning that employers must now unconditionally grant their employees sick leave on the basis of "sick notes" from traditional healers such as sangomas... (more) |
LED standards, guidelines called for at ICUE
by Muhinthan Murugesu, Osram Opto Semiconductors
An LED workshop hosted at the recent Industrial and Commercial Use of Energy (ICUE) conference highlighted the urgent need for LED standards and guidelines to ensure that South Africa does not become a dumping ground for substandard equipment... ( more) |
Electric motors and how to improve their control and protection: Part 1
by Etienne Gaucheron, Schneider Electric An overview of all the available electric motors, together with their main characteristics and the areas in which they are used... ( more)
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Rechargeable batteries - Part 3: Li-ion batteries
by Dr. Paul Lefley, Ayodele Soge, University of Leicester and Jonathan Starkey, Converteam
Li-ion batteries have emerged over the last 15 years to capture over half of the sales value of the secondary end-user market, with applications such as laptop computers, cell phones and camcorders (known as the "Three-C" market)... ( more) |
Characteristics of universal limit switches for liquids
by Dr. Christoph Rompf, Endress+Hauser
Limit switches for liquids are used throughout process engineering as standard. It is, however, recommended that all technical solutions should be reduced to one universal measurement principle... ( more) |
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Oil fouling in HVAC systems: nanotechnology to the rescue
Information from Motorevolution
Oil fouling in HVAC/R systems can cause efficiency losses of up to 40%. With "traditional" mechanical solutions only partially effective in addressing this problem, the answer may lie with "nucleo-molecular regenerative (NMR) nanotechnology"... ( more) |
No harmony in harmonics
by Jonathan Rodriguez and Gavin Saldanha, Eaton
As the number of harmonics-producing loads increases, it becomes more important to address their influence when making any additions or changes to an installation... ( more)
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