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EE Publishers
P O Box 458
Muldersdrift
1747
South Africa
Tel: 011 543 7000
Fax: 011 543 7025
admin@ee.co.za
www.eepublishers.co.za |
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EE Publishers (Pty) Ltd All rights reserved
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 A business call to plug into energy efficiency by Valerie Geen, National Business Initiative The Department of International Development has awarded South Africa's National Business Initiative (NBI) £8,6-million to bring energy efficiency supprt to companies in various sectors... (more)
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 Tshwane Metro metering contract "blatantly corrupt"
by Chris Yelland, investigative editor
Afrikaans business rights watchdog organisation AfriSake has taken court action to prevent a contract between the City of Tshwane and private service provider PEU Capital Partners... (more)
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 Interview with Michael Straton, new ECA(SA) president
by Mark Botha, editor
Port Elizabeth-based Michael Straton was elected ECA(SA) president at the association's AGM on 14 November 2013. He says the ECA's will now consolidate its service to its members... ( more)
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Should small businesses pay Bargaining Council rates?
Information from The Free Market Foundation
The Free Market Foundation (FMF) has launched a constitutional challenge to section 32 of the Labour Relations Act 1995 in the Pretoria High Court. This act governs relations between bargaining councils, government and employers... ( more) |
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Debit pull discontinued
Information from ECA(SA)
The SA Revenue Service (SARS) has announced the discontinuation of the debit pull option as a means of paying SARS. Debit pull transactions were discontinued for ABSA, FNB, Investec, Nedbank and Standard Bank account holders... ( more) |
| The state of the skilled labour force: an engineer's perspective
by Brian Turner, retired engineer
The powers that be cannot seem to understand why we have a major shortage of skilled people in South Africa. Unfortunately, this is not something that has occurred overnight but rather started back in the 1980s or so... ( more) |
Ceramic metal halide lighting: past present and future
by Henk Rotman, Philips Lighting
This article explores ceramic metal halide, a conventional technology still evolving despite the LED revolution, and discusses the technical characteristics, history, most recent developments, and future outlook of CMH technology... ( more) |
| Microcontroller-based power conversion for solar LED lighting
by Stephen Stella, Microchip Technology
Microcontroller-based power conversion technology and solutions offer extensive flexibility and allow installations combining solar photovoltaic (PV) and LED lighting to stay abreast with new additions and upgrades... ( more) |
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Vector Inbox
Winning letters from our readers
Our readers write on the political will (or lack thereof) to address copper theft in SA; the implementation of a scrap metal act, as well as on the social impacts of "red metal" theft. We also find out who really founded Beka-Schréder... ( more) |
| A theoretical outline of selectivity
Information from ABB
Selecting the protection system for electrical installations is fundamental to correct economical and functional service and to reduce problems caused by abnormal service conditions or actual faults... ( more) |
| Predictive diagnostics for switchgear
Information from Eaton Corporation
Advances in materials science, designing and in manufacturing processes made medium voltage (MV) switchgear reliable, but insulation failures continue to happen and can often result in equipment damage... ( more) |
| Managing diesel particulate matter
by Ossie Carstens, Deutz Dieselpower
This article explores and clarifies the origins of diesel particulate matter (DPM) in exhaust emissions and uses those insights to derive principles to manage these levels... ( more) |
A systematic analysis of advantages and disadvantages of drive concepts
by Dr. Martin Doppelbauer, SEW Eurodrive
The trend towards slow-running direct drives is driven by a demand for precision, reliability and low maintenance. This article provides a theoretical comparison of diriect drives and gearmotors based on known growth laws and a few practical assumptions... (more)
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| High-pressure, oil-controlled brakes applied on winders
by Grant Ray Sutherland, 1958
Taken from the ICMEESA archives, this article discusses a calliper-type brake gear designed to operate with oil-controlled spring units for even distribution of pressure and wear... ( more) |
Reducing compressed air wastage in underground mines
by SJ Cloete and DF le Roux, BBE Energy, and RT Buhrmann,
Rumeg Systems
An investigation into compressed air wastage at the stopes in underground mines shows that rock drill operators (RDOs) leave manifold valves open due to negligence and for purposes of ventilation... (more)
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| Explosive environments: fundamentals of area classification
by Dr. Johannes Auret, Explolabs
A guide for plant management and technical staff on how to conduct an area classification, the process whereby the degree of exposure to explosive atmospheres for a plant area is determined... ( more) |
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