Electrical Power & Protection


Latest Articles

Five tips to manage energy use while staying at home
May 2020
Covid-19 continues to impact many aspects of our lives. Many are now required to stay at home in an effort to curb the spread of the pandemic. One of the many implications of staying at home will be the ...

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Holistic approach to energy security
April 2020
As South Africans settle into the routine and inconvenience of load shedding and planning their activities around shifting electricity supply, it is businesses that are taking the biggest hit through ...

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Save energy costs with highly-efficient Delta VFDs
April 2020, ElectroMechanica
Customers can realise significant savings on their total energy costs by replacing older motor starters with energy-efficient Delta variable frequency drives (VFDs), distributed locally by ElectroMechanica ...

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Utility made easy
April 2020, Schneider Electric South Africa
In recognition of the growing demand for reliable power provision, Schneider Electric strives to assist network operators to deliver electricity safely and efficiently. The company’s Advanced Distribution ...

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Specialised transformers for renewable energy projects
April 2020, Zest WEG Group
Zest WEG’s local transformer manufacturing facility has supplied 36 specialised photovoltaic (PV) transformers to a solar energy generation plant in the Northern Cape. According to sales team leader, ...

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Meeting the needs of the mining industry
April 2020, Varispeed (Div of Hudaco Trading)
Both above and below ground, Varispeed keeps the interests of its customers top of mind, all the time. The company was recently approached by a platinum mine in South Africa to assist with a robust application. ...

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Game-changing electrical accessories
April 2020, Schneider Electric South Africa
In a world where products are moving from standardised to customised, today’s consumers want high quality products that meet their specific requirements. Electrical accessories are no exception and Schneider ...

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EnI Electrical delivers at the sharp end of African contracts
March 2020, Zest WEG Group
Usually the last contractor on site, electrical instrumentation and control (EC&I) specialist EnI Electrical puts extra effort into helping clients around Africa meet their scheduled start-ups. With ...

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In-house testing of transformers
March 2020, Zest WEG Group
The recent installation of an impulse voltage generator at Zest WEG’s transformer manufacturing facility in Heidelberg will allow in-house testing of transformers, saving time and money for customers. According ...

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Sulphate and chloride monitoring
March 2020, Microsep
Chlorides and sulphates cause pitting and stress corrosion in expensive power plant components, such as turbines and boilers, leading to extensive maintenance and unplanned shutdowns. Monitoring these ...

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Legrand’s high-performance UPS systems
March 2020, Legrand
Legrand’s advanced uninterruptible power supply (UPS) systems ensure maximum continuity of service of essential electrical equipment, by providing reliable performance in terms of power and backup time, ...

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Bringing critical power distribution infrastructure out of the dark
March 2020, Schneider Electric South Africa
As the trend towards digitisation becomes pervasive across many industries and operations, the benefits offered to power distribution systems should not be overlooked. However, due to the ageing infrastructure ...

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DIN rail redundancy power modules
February 2020, RS Components SA
RS Components has announced availability of a new series of DIN rail-mount redundancy power modules from TDK-Lambda, a group company of TDK corporation and a leading maker of highly reliable power supplies ...

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The importance of surge protection in the lightning protection arena
February 2020, DEHN Protection South Africa
In order to understand the need for surge protection, it is important to understand how lightning causes damage. The sources of lightning damage can be quite different, therefore different protection ...

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Power measurement from sensor to cloud
February 2020, Beckhoff Automation
With the new SCT current converters, Beckhoff completes the power measurement chain that now ranges from measuring the physical value to transmitting the captured data to the cloud. The portfolio of current ...

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Solar plant monitoring and control
February 2020, RJ Connect
The power industry is now ready for clean power such as solar energy. Utility-scale solar power stations with electric power capacity of more than 50 MW and the capability to feed excess power back to ...

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Enabling IIoT connectivity for virtual power plants
December 2019, RJ Connect
The power grid has seen many changes that have enabled the integration of power from distributed energy sources (DERs).

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DIN rail power supply for demanding applications
December 2019, ElectroMechanica
Automated production systems require power supplies with high stability and safety protection. DIN rail power supply series for such demanding applications are available from Delta Electronics, distributed ...

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Dry-type transformers go mainstream
December 2019
The uptake of dry-type transformers in South Africa is now well beyond ‘niche’ applications, with local specialist Trafo Power Solutions installing a range of sizes across various sectors. “In recent ...

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Robust embedded power supply series
December 2019, RS Components SA
RS Components (RS) has announced the availability of a new series of AC-DC embedded switch-mode power supplies (SMPS) from TDK-Lambda. The cost-effective RWS-B series of AC-DC industrial power supplies ...

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