July 2010
With everyone totally soccer crazy for the past couple of months, I was worried that we would have to give Electricity+Control a miss in July! Fortunately this has not been the case - and we have more than enough in this month's edition to keep you interested and informed.
During a period in our country where every aspect of performance has been tested ... our July articles show that top performance can be achieved if you select the best option for the task at hand - whatever that might be.
With ‘performance' in mind... let's make sure that we have all the light that we need in July!
Wendy Izgorsek
Editor
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Understanding next generation data acquisition By G Green, National Instruments Wi-Fi can now be relied upon as a simple, secure DAQ option for scientists and engineers in any industry. Detection is key: Part 1 By L Asiminoaei, F Blaabjerg and S Hansen, Danfoss The first part of this article discusses the state of the art regarding the harmonic detection methods used in Active Harmonic Filters. Part 2 will be published in August. Soccer ‘high lights' By G Page, Philips Probably the last of any technical article with ‘soccer' in the headline, this one addresses how South Africa's world cup stadiums have benefited by careful lighting design. Electronic pressure measurement: Part 1 By E Gaßman and A Gries, WIKA The first of three parts, this article discusses the importance of electronic pressure measurement and how it contributes to the safe, accurate and energy-saving control of processes. Applying power quality measurements to predictive maintenance By W Thompson, Fluke The author poses the question - while you may already be using predictive maintenance techniques on your motors and drives, how often do you inspect the power to your equipment? Performance diagnostics - for peak performance By R Ali, Emerson Process Management With field instruments and control valves often in difficult-to-access places in a process plant, routine inspection can be quite a mission for maintenance teams. Diagnostics can identify problems earlier and keep the plant running at peak performance. Flat-plate solar technology - right for this climate By G Mundy, Solar Beam This article examines the reasons that glass tube solar water heating solutions are not ideal for South African conditions - making flat plat technology a better alternative.
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