Vector logo
ECA logo
 
 e-News
Issue 102                                                                                                        June 2016
-------------------------------------

Get your e-Zines
free-of-charge!
 
(PC & mobile editions)
(PC & mobile editions)
 

(PC & mobile editions)
 
 
(PC & mobile editions)

 Published by

 

EE Publishers

 

P O Box 458
Muldersdrift
1747
South Africa

 

Tel: 011 543 7000
Fax: 011 543 7025

 

admin@ee.co.za
www.ee.co.za
Mike Rycroft Does technology drive behaviour? 
by Mike Rycroft, EE Publishers

Does technology drive people's behaviour or does behaviour influence technology, specifically rooftop photovoltaic systems? I ask this question because of a spiral towards what is perhaps the final optimum solution... (more)
Aimee Clarke Is Eskom moving the goalposts at half-time?
by Aimée Clarke, EE Publishers

For the third time since awarding a R5-billion tender to Areva on 12 August 2014, Eskom found itself defending its award decision, this time in the highest court of the land... (more)
The management of discipline: Part 4
by Stephen Khola, Electrical Contractors Association

As indicated in Part 3 of this series, our focus in this, the last edition on our series on the management of discipline in the workplace, focuses on the disciplinary hearing... (more)
Gerhard Papenfus Sacrificing an industry to save a company
by Gerhard Papenfus, National Employers' Association of South Africa

I do not claim to understand fully what is currently happening in the steel industry. The steel industry is in troubled waters. There are many indicators to this effect, including job losses... (more)
Colour consistency in general lighting
by Alexander Wilm, Osram Opto Semiconductors 

LEDs have become firmly established as relevant light sources for general illumination. Their costs are now at such a low level that they can be used in any application. In terms of efficiency, they already outperform all previous light sources... (more)
Good lighting values provide visual comfort and performance for motorists
by Simon Poo, Philips Lighting SA

Visual comfort is a subjective impression related to road lighting quality. If the degree of visual comfort is not good enough, a motorist's level of fatigue will increase and, as a result, his visual performance and alertness will decrease... (more)
Breaker co-ordination: What you really need to know
Information from ABB

Breaker co-ordination methodology increases uptime by limiting power outages to the branch of an electrical system where a problem occurs without knocking out other areas of the system. When a fault happens, the closest overcurrent protective device opens... (more)
Choosing a variable frequency drive or soft starter for your needs
by David Mintzlaff, WEG Electric Corporation

A large starting current may be required when accelerating an AC motor to full speed using a full voltage connection. Additionally, the torque of the AC motor is mostly uncontrolled and can therefore shock the connected equipment and potentially cause damage... (more)
Traction motors in diesel locomotives
by Mike Rycroft, EE Publishers

Rail transport is coming back into favour for the transportation of goods over long distances. GE recently announced its intention to commence building of one of its diesel locomotives in South Africa. Alternators, electric motors and control systems are at the core of all large locomotives... (more)
EE winning letter
Explosives regulation: Safety of explosives areas
Compiled by Pieter Coetzee, Explotac

Companies that manufacture, store, use and test explosives must apply for a licence at the Department of Labour to determine if they are complying with the OHS Act. This article highlights the rules and regulations of safety in the explosives workplace... (more)
Numerically controlled machine tools:
Part 1
by JC Morris, 1972

A brief history and examination of machine tools before and after the introduction of numerical control. Hand wheels were first shed from conventional machine tools in 1949 when MIT and others developed metal cutting machinery with three axes of movement... (more)
Cloud-based building management for multi-site facilities
by Shoumi Sen and Simon Leblond, Schneider Electric

How enterprises with distributed facilities can use the cloud for improved building management. Until recently, distributed facilities have been beyond the budget of most organisations. New advances are enabling enterprises to monitor, control and manage facilities affordably... (more)
ECA(SA) news
Project Pinboard
Compiled by Aimée Clarke, EE Publishers
  • Cape Town retrofitting lighting for energy efficiency
  • Megahousing development for Jhb's West Rand
  • Toll plaza upgrades to ease congestion
  • Baywest City to see big developments
  • New sectional-title residential estate for Greenstone
  • EPC company plans further projects in Africa... (more)
Industry news
Company, product, project & service news