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 Nuclear industry association of South Africa (NIASA)
by John Walmsley
A proposal to form a nuclear industry association to deal with relevant issues was drawn up in November 2007. The idea was taken to Jaco Kriek of the PBMR Company and to Rob Adam of Necsa (Pelindaba) and, presto, we now have NIASA... ( more) |
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Traditional healers and the validity of sick notes in the workplace
by Andrew Overall, ECA
As all employers know, employees often submit medical certificates that describe the ailment as: "medical condition" or "illness"or some such similar wide and vague symptoms. Sometimes employers believe that if an employee produces a medical certificate as justification for a period of absence, that the employer is bound to accept it... ( more) |
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United Nations endorsement will reduce risk in hazardous areas
Information from SAFA
The United Nations through its UNECE (United Nations Economic Commission for Europe) has formally endorsed the use of an internationally recognised certification system, IECEx, that promotes safety of equipment in explosive areas. IECEx is the international system that verifies compliance with international IEC International Safety Standards in Ex (explosive) areas... ( more) |
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Grooming young apprentices to strengthen the SA engineering industry
Information from MTU South Africa
South Africa is short of suitably qualified artisans and engineers in the technical fields. For this reasons, the South African engineering industry is faced with the unavailability of younger skilled artisans. MTU South Africa is therefore embarking on a training programme to develop suitably trained artisans... ( more) |
Call for standards to be taught
by Dr. Saurabh Sinha, IEEE
There's plenty they don't teach in engineering school, such as the ins and outs of negotiating a contract or managing people. The IEEE is seeking to incorporate learning about standards into engineering, technology, and computing curricula so graduates will be more adept at applying standards in their projects... ( more) |
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Drivers of automation and control solution services
Information from Frost and Sullivan
A shrinking skilled work force at end-user plants, the need for maximum asset utilisation, optimised production processes and energy efficiency are driving the demand for automation and control solution (ACS) services across process industries in Europe, Middle East and Africa (EMEA)... ( more) |
IEEE position paper on technical standards
by Dr. Saurabh Sinha, IEEE
Technical standards are formal documents that determine uniform engineering, technical, performance and interoperability criteria, methods and practices. They set specifications at the onset of a design, defining constraints during the detailed design process, and serving as benchmarks during testing... ( more) |
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The incandescent lamp
by Brian Rowell, Lightworx
The GLS (general lighting service) lamp is still the largest volume of any light source produced worldwide and covers many and varied forms. A lot of applications have been taken over by halogen and compact fluorescent lamps in recent years, but the GLS won't disappear easily... ( more) |
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Now LEDs move into general lighting
Information from Philips Lighting
Looking at general lighting, LEDs are increasingly being used in outdoor decorative (architectural) lighting projects, thanks to the saturated colours, the possibility of colour dynamics and the low maintenance needed during the long LED lifetime... ( more) |
Innovative motor repair used on air compressor
Information from Marthinusen & Coutts
This article describes the successful repair of a 1,8 MW, 4 pole, 11 kV, 1492 rpm Alstom (France) squirrel cage AC induction motor at Sasol Secunda's oxygen plant. This particular motor is used to drive an alternator that starts a 36 MW air compressor and hence a quality repair was critical... ( more) |
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Protecting variable speed drives from surges
Information from Urwees
Sophisticated and highly susceptible microprocessor based electronics and data communication networks are integrated across every sector of today's fast paced business world. How to properly stage these surge protection devices (SPDs) can be as important as actually making the decision to purchase them... ( more) |
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"Social difficulties" hamper installation of signalling equipment
Information from Actom Signalling
Just when a team was ready to commission the equipment in Cape Town's Khayelitsha township, the illegal power connections and cable damage caused fault currents on the railway line, causing track circuit equipment to burn out and have to be replaced... ( more) |
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Is your power reliability good enough?
Information from Rockwell Automation
Most electric utilities in the USA are providing 99,999% reliability, or "five nines" of reliability. This translates into roughly five minutes without power each year, or maybe a single hour with no power every 10 years... ( more) |
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Contractor's Toolbox: Cable ties
Information from HellermannTyton
Cable ties are devices used primarily for securing cables and wires in electrical installations and equipment, although there are numerous other uses. They are manufactured from either plastic or metal materials and are produced in a number of different designs... ( more) |
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Maintenance and repair of intrinsically safe equipment
Information from Extech
The ability to do live maintenance on an intrinsically safe system is a major benefit of the technique. Consequently live working is very desirable. There are however factors, other than gas ignition, that have to be considered... ( more) |
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How do you measure energy consumption?
Information from Comtest
If you haven't measured energy before, take a minute to understand how it differs from volts and current. When we talk about the "energy" supplied by the utility, we're talking about two primary components: power and demand... ( more) |
Company, product, project & service news
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