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Issue No 39                                                                                             September 2010
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In this issue...
- In the same boat - the electrical contractor and the wholesaler
- The safe use of ladders at work
- Sub-standard electrical training in South Africa: terminology and standards
- Inside Steve Jobs' brain
- Comparing 70 W metal halide lamps with LED down lights
- Energy-saving outdoor lighting
- The changing world of light - a beginner's guide to LEDs
- High currents under control
- Energy saving motors are only a part
- Increasing plant and workforce efficiency
- Recommissioning a building to deliver peak performance
- Energy savings - a strategy in utilities
- Vibration testers that do fast analysis
- ECA News
- Company, product, project and service news
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John-stoddard-lead-ed-Sept-2010In the same boat - the electrical contractor and the wholesaler 
by John Stoddard, ElectroBase 

A familiar sight at any electrical wholesaler is the crowd of electrical contractors or their staff at the counter early on a weekday morning. In the last couple of years however, the crowds have been a bit thinner. The reasons are not difficult to see... (more)
The safe use of ladders at work
by Tinus Boshoff, SA Labour Guide
 
Accidents involving ladders lead to an alarmingly high number of work related incidents. Just last week while visiting a shop at a mall, I saw a pregnant worker on a stepladder placing items on shelves. When I approached her to discuss the matter, I saw that the ladder was defective and poorly maintained... (more) 
Sub-standard electrical training in South Africa: terminology and standards
Information from Western Cape Provincial Government

The Municipal Infrastructure Directorate of the Provincial Government of the Western Cape wrote the following letter to the Energy Sector Training Authority (ESETA) in May 2010 but by September had not received a response. It is surprising that an issue of this nature appears to be of no concern... (more)
Inside Steve Jobs' brain
by EE Publishers staff writer

Book review: Steve Jobs, founder and current chief executive of Apple Computers, is a phenomenon. This is a review of a book on Steve Jobs, "Inside Steve's brain", by Leander Kahney. He has no doubt assured his place in business history by being fired from his own company in 1985... (more)

Comparing 70 W metal halide lamps with LED down lights
by Cornel Neethling, LED Lighting 

The purpose of this test is to determine how many 8-LED or 15-LED down lights are needed to achieve an average of 600 lux at a height of 0,85 m above ground. The goal is also to do a cost comparison between the 70 W metal halide light fittings and the cost during the lifetime of the 8-LED or 15-LED down lights... (more) 
Energy-saving outdoor lighting
by Henk Rotman, Philips 
 
In the ever-increasing drive to save energy, governments play a key role. Efforts include setting goals for reducing energy use by banning energy-inefficient products, by promoting energy-efficient alternatives and by financing all kinds of energy-saving programmes... (more)
The changing world of light - a beginner's guide to LEDs
Information from Radiant 

New lighting technologies are making inroads into the traditional sources that have held sway since the 1800s. A recent addition to the world of lighting technology are miniature light-emitting diodes (LEDs). These lights, according to the Radiant group, are set to become the standard source of illumination for the 21st Century... (more)
High currents under control
by Paul Newman, Semikron UK  
 
Users of power control equipment have used third-party systems for many years because they offer the benefits of reduced development costs, shorter time to market and ease of meeting qualification standards. As specifications have become more demanding, it has become necessary to use higher levels of integration... (more)
Energy saving motors are only a part of the answer

Information from Nord

 

Since an electric motor's energy consumption makes up about 98% of its total cost of ownership, investment in efficient drive technology is important. There are binding standards for plant manufacturers and operators such as the IEC 60034-30 which will make compliance with the IE2 energy efficiency class mandatory for a large number of electric motors from 16 June 2011... (more)

Increasing plant and workforce efficiency
by Claude Agostinetto, Systems Automation Management
 
Industrial plants are increasingly becoming automated, leading to shortages of staff skilled in the management of automation and associated control software. With these systems becoming more complicated, the control software is constantly being blamed for plants tripping and outages... (more)
Recommissioning a building to deliver peak performance
by Nico van der Merwe, Schneider Electric
 
Every building undergoes changes over time. While good for business, these changes can negatively impact building performance, resulting in lower productivity and higher energy and building maintenance costs. To address this problem, many companies are "recommissioning" their buildings as a way to fine-tune and update building performance... (more)
Energy savings - a strategy in utilities
by Evan Dent, Endress+Hauser SA 
 
This paper looks at energy savings potentials in utilities in industrial processes. It presents a monitoring and targeting strategy proposal that will assist in realising sustainable energy savings in key energy user utilities in processes... (more)
Vibration testers that do fast analysis
Information from Comtest
 
Typical vibration analysers and software are intended for monitoring machine condition over the longer term, but require special training and investment that may not be possible in many companies. Vibration analysers used in condition-based monitoring or predictive maintenance programmes rely on baseline conditions to evaluate machine condition and estimate remaining life... (more)
Company, product, project & service news
 
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