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incorporating The Electrical Contractor 
Issue No 61                                                                                            September 2012 
EE Publishers apps July 2012
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In this issue...
- Over 60% market share for LED
- Distributed generation is here
- Problems with industrial DSM projects
- What is happening in the electrical contracting industry?
- Employers can be responsible for their employees' deeds
- Outsourced facilities management - myths, mistakes and false expectations
- Introducing light emitting plasma
- Comparing different industry tests for LED
- Real-time efficiency of electric motors
- What is manufacturing operations management?
- The development of heat pump drying systems in South Africa
- UPS: transformer-based or transformerless?
- Surge protective devices: dispelling the myths
- ECA News
- Industry news
- Company, product, project & service news
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Mark Botha
Over 60% market share for LED
by Mark Botha, editor


In 2011, the global lighting market was estimated to be worth between R799-billion and R924-billion. The high-intensity LED market alone was worth just over R106-billion and is expected, researchers say, to reach a staggering R1173-billion over the next two years... (more)

Distributed generation is here
by Trevor de Vries, AEG Power Solutions SA


Say what you will about the smart grid, the strongest grid may be no grid at all. The electrical power grid is under pressure as capacity increases, and cascading outages or systemic collapse are becoming increasingly likely... (more)

Problems with industrial DSM projects 
by M Kleingeld et al, North-West University

A step-by-step sequence of events in a typical Eskom-funded DSM project and a closer look at the problems that prevent more ESCOs from participating in industrial DSM projects... (more)
What is happening in the electrical contracting industry?  
by Chris Greager, ECA

One thing that can be said about the electrical contracting industry is that it evolves and changes all the time, sometimes for the better; sometimes for the worse. It is therefore important to try and keep you abreast with what is happening... (more)
Employers can be responsible for their employees' deeds 
by Stephen Khola, ECA(SA)


It is sometimes possible for an employer to bear responsibility for unlawful acts committed by their employees in the course or within the scope of their employment... (more)

Outsourced facilities management - myths, mistakes and false expectations
by Phil Gregory, Johnson Controls
   


When outsourcing facilities management, the essential first steps are ensuring that there are no fundamental flaws in your outsourcing strategy, dispelling myths, and knowing how to select a suitable outsourcing partner... (more)
SAFA

Introducing light emitting plasma
Information from Ilanga Lighting

A new lighting technology has made its debut on the market. Set to rival "conventional" LED and HID, light emitting plasma (LEP) uses radio frequency power and no electrodes... (more)  

Comparing different industry tests for LED 
by Henk Rotman, Philips

The rise of LED lighting has transformed the lighting industry, but their emergence as a functional light source has highlighted the need to ensure that performance claims are made in a consistent and transparent way... (more)
Vector Inbox: Rewards in one's career sometimes arrive late 
by Joe Renney, Western Cape Provincial Government

I am proud to be associated with the ECA and with contractors who deliver such good work and who encourage and train their workers to provide a standard of the highest order... (more)
SRE
Real-time efficiency of electric motors
by C Bhurtun, I Jahmeerbacus and D Bussooa, University of Mauritius

Estimating the power efficiency of an electric motor using only the supply current measurement and motor parameters... (more)

What is manufacturing operations management?  

Information from Invensys Wonderware    

 

Manufacturing execution systems (MES) incorporates all aspects of production. This is known as manufacturing operations management or MOM. It could be argued that any manufacturing enterprise needs only enterprise resource planning (ERP) and MOM... (more)
The development of heat pump drying systems in South Africa
by M Zhang and Z Huan, Tshwane University of Technology

The market for heat pump systems for water heating and space cooling/heating was developed well in South Africa over the last decade, but the uptake on heat pumps for industrial and agricultural drying is very slow... (more)

UPS: transformer-based or transformerless?       

by Elrica Quick, DCC     


The functions of transformer-based and transformerless uninterruptible power supplies might seem similar on the surface, but they have very different applications, and using the wrong device in the wrong application can be disastrous... (more)
Surge protective devices: dispelling the myths
by Christophe Rios, ABB

We use surge protective devices without a clear understanding of their operation. This is exacerbated by the many urban legends on the subject. We take a closer look at a few of these and dispel some myths... (more)
ECA News

Industry news

 

Company, product, project & service news