ECA(SA) Presidential Excellence Award: Installation of the Year - Housing Information from ECA
The ECA(SA) Presidential Excellence Awards is a celebration of quality, outstanding workmanship and professionalism within the electrical industry. This year, the Installation of the Year - Housing award went to M&L Electrical Contractors... ( more)
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Selecting effective lighting control Information from Rockwell Automation
The past decade has seen many improvements in residential, commercial and industrial lighting control. This has resulted in more efficient use of electricity, daylight and more versatile, automated, and convenient controls... (more) |
Power factor correction basics
Information from Osram Opto Semiconductors
Power factor (PF) is an important consideration in terms of energy efficiency for electronic devices including LED luminaires. Understanding the basics of PF and how to correct it will help address the issue in the very early stages of design.... ( more) |
Vector Inbox
This month's winning letter by Mike Stokes of Southern Star Electrical reveals the appalling condition of the electrical systems at separate sites in Port Elizabeth and East London which he has visited to conduct electrical CoC inspections and tests... ( more)
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Electric motors and how to improve their control and protection: Part 2
by Etienne Gaucheron, Schneider Electric An overview of all the available electric motors, together with their main characteristics and the areas in which they are used. Part 1 of this article focused on three-phase asynchronous motors. Part 2 explores the remaining types of motor... ( more)
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The importance of flowmeter accuracy Information from Siemens
Understanding the accuracy of a flowmeters is important but it can also be misleading as different specifications are used to explain accuracy. The more accurately a flowmeter can measure, the more money you will save... ( more)
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Integrating data from different sources
by John Salisbury, Endress+Hauser
Using open architectures with flexible structures based on internet technologies to integrate information from a wide variety of different sources... ( more) |
Solar versus ambient temperature power by Carel Ballack, SESSA
The water in a geyser can be heated by means of an electrical resistance element, a solar collector or a heat pump. This article aims to compare these technologies... ( more)
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Solving power management problems
by Jim Tessier, Eaton Corporation
Many organisations today use standalone software from multiple vendors to monitor and manage crucial power quality and environmental devices. These outdated applications, however, only add further complexity... ( more)
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