| Get your free e-Zines!
(Mobile and PC editions)
(Mobile and PC editions)
(Mobile and PC editions)
|
|
EE Publishers
P O Box 458
Muldersdrift
1747
South Africa
Tel: 0115437000
Fax: 0115437025
admin@ee.co.za
www.eepublishers.co.za |
Copyright
EE Publishers (Pty) Ltd All rights reserved
|
|
 Milestone for IPPs, RE, but at what cost? by Chris Yelland, EE Publishers
Energy minister Dipuo Peters has announced financial closure for some 1425 MW of renewable energy (RE) projects for the first bid window of the renewable energy independent power producer (IPP) procurement programme... (more)
|
 How to "switch and save" with Eskom's rebates Information from Eskom
Eskom's rebate programmes are designed to speed up project approval processes and to streamline project implementation and completion with the assistance of energy advisors and ESCos... (more)
|
Funding agreement between CETA, ECA(SA)
by Chris Greager, ECA(SA)
On 16 October 2012 a formal function was held at the offices of the Construction Education and Training Authority (CETA), at which the ECA(SA) signed a memorandum of understanding with the CETA. The association also entered into a contract stipulating that the CETA would finance three of four "special projects" to the value of
R4 050 500... (more)
|
Annual report of the ECA(SA) national director
by Chris Greager, ECA
In terms of the economy, I do not foresee any major growth until the economic situation in Europe and the USA stabilises. Locally, labour unrest and talk of nationalisation have not been of any help and seem to have scared foreign investors away... (more)
|
Energy efficiency policies depend on company culture
Information from CSIR How staff manages energy saving technologies is as important to commerce and industry as adopting energy efficiency policies and investing in energy saving technologies... ( more)
|
Thermal management - the main LED challenge
by Phil Hammond, Blair, Hammond and AssociatesThermal management is critical to both the performance and lifespan of the LED system. It embraces efficient heat sink design, high efficiency circuit boards, high thermal conductivity of enclosures and other advanced thermal design techniques... ( more)
|
|
Energy efficiency through lighting control
by Christo Janse van Rensburg, Schneider Electric
Lighting consumes some 20% of all electricity produced and is responsible for about 35% of a typical building's electricity use. Much of this energy is wasted on poor lighting design, inefficient lighting equipment and poor controls... ( more)
|
|
Rechargeable batteries - their evolution and beyond: Part 2
by Dr. Paul Lefley, Ayodele Soge, University of Leicester and Jonathan Starkey, Converteam
Nickel-based batteries belong to the family of alkaline rechargeable batteries due to their use of an aqueous alkaline solution (potassium hydroxide, KOH, or sodium hydroxide, NaOH) as the electrolyte... (more) |
Loss of neutral in LV distribution systems: consequences and solutions
by Viv Cohen, retired engineer
The unfortunate culture of copper theft that has become prevalent in South Africa has exascerbated problems related to the integrity of the neutral in low voltage (LV) distribution systems in recent years... ( more) |
Our winning letter: Consulting engineers (still) await infrastructure roll-out
by Esther Stavropoulos, Royal Haskoning DHV GroupI read Graham Pirie's article in Vector regarding consulting engineers awaiting government's infrastructure rollout ( Vector October 2012, page 26). As a consulting engineer, I agree with much of what he said and have a few comments to add... ( more)
|
|
Experts Q&A
Answers by our technical experts
Electrical contracting often presents problems which, when solved by experts and shared in a forum, can be turned into learning opportunities... ( more) |
New IEC technical report "good news" for automation
Information from Fieldbus Foundation
A new International Electrotechnical Commission (IEC) report provides guidance to end-users when selecting device integration technology encompassing all host systems, field instruments and device protocols... ( more) |
|
Most common level sensing methods: a guide for reliable applications
Information from Sick Sensor Intelligence
Equipment manufacturers and users may be surprised at the breadth and sophistication of level sensing alternatives currently available... ( more) |
Automated tools ascertain structural conditions in hard rock mines
by Ruth Teleka, Jeremy Green and Stefan Brink, CSIR and Prof. J Sheer, University of Witwatersrand
The use of automation in deep level hard rock mines in South Africa has, over the years, been overshadowed by mechanised mining. However, the industry has started to recognise the validity of automation as an option... ( more)
|
The role of DC switch disconnectors in solar PV systems
Information from ABB
This article outlines the technical features and importance of switch disconnectors, and shows why they are an optimal choice for use in different applications in PV installations... ( more)
|
|
Solar water heaters: what are the benefits?
by Celine Paton, Frost & SullivanThe popularity of installed solar water heaters (SWHs) in South African households remains low despite a growing awareness of the potential benefits... ( more)
|
| Company, product, project & service news
|
|
|
|
|
