 Feedback on the LED Standards Workshop by Colin Openshaw, Eskom
The workshop on developing standards for LEDs held during last year's Industrial and Commercial Use of Energy (ICUE) Conference was found not to have had the desired effect on the lighting industry yet... ( more)
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 Message from the ECA(SA) national director
Speaking at an ECA(SA) Presidential Awards function in Johannesburg, ECA(SA) national director Jill Godden said the electrotechnical market has "tremendous potential", yet is subject to great change... ( more)
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 Patent portfolios boost the competitive edge by Dina Biagio, Spoor & Fisher
A German luxury vehicle manufacturer attracted a lot of attention in 2006 when it advertised that it had "filed 9621 patents" for its new model sedan, compared with NASA's 6509 for the space shuttle... ( more) |
Vector Inbox: standard power factor correction for a generator?
Our winning letter to the editor
A reader disagrees with advice given in our "Experts Q&A" column: should capacitor banks on LV open panels be switched off when the site's generator is in use?... ( more) |
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Experts Q&A
Advice from our panel of experts
Advice on, among others, load calculations for chillers; extractor fans in toilets; double-pole switching for equipment; back-up for theatre curtains and calculating total load on lighting circuits... ( more) |
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Output comparison: 50 mm LED, quartz halogen reflector
by André Blignaut and Robert Henderson, Eskom
South African middle and high income homes use 50 mm diameter reflector lamps for general lighting, but these weren't designed for this purpose... ( more) |
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Evolving LED package designs for better luminaire performance, design flexibility
by Raj Malhotra, Philips Lumileds
The adoption of LEDs in the entertainment lighting market has been driven by a number of factors but one aspect which has had a particularly positive impact is the evolution and diversity of LED packages... ( more) |
| VSDs as power saving devices in cooling pump systems
Information from Gator
It may well be possible to unlock substantial energy savings in production plants' energy bills by replacing conventional AC motor starter equipment with variable speed drives (VSDs) and a simple control system... ( more) |
| New ways to measure torque may make your current method obsolete
Information from Honeywell
New torque measuring systems which are fast, accurate, flexible, inexpensive, require less maintenance, and are very simple to install... ( more) |
Digitally compensated pressure transmitters
by Bernhard Vetterli, Keller, Germany
Digitally compensated pressure transmitters show the limits of what is possible. The more important it becomes to have measuring accuracy, the more focused the pressure transmitters available on the market are on certain applications... ( more) |
| Bonded pair cable: does it have a place in factory automation?
Information from Turck
The manufacturing industry relies increasingly on unified data communication and automation systems. High-performance cabling solutions can help to enhance productivity and streamline operation... ( more) |
| Eliminating power quality problems
Information from Adriatic Power Group
A recent study by IBM shows that power quality problems cost businesses in the USA over $15-billion per year. These problems are caused mostly by increasing density of equipment on fabrication floors and data centers... ( more) |
From the ICMEESA archive: An underwater rope-cutting device
by EG Fairon, 1958
A practical solution to the cutting of steel wire hoisting ropes at a depth of 2500 ft (762 m) under water. The ropes were attached to conveyances which were held at the bottom of a flooded mine shaft... ( more) |
