Electrical Power & Protection


Latest Articles

Cut the complexity of panel design
September 2019, ElectroMechanica
A low-voltage electrical distribution system design to reduce the complexities often associated with panel design is available from leading local supplier ElectroMechanica (EM). Quadro+ from Hager combines ...

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Ultra slim DIN rail power supplies
September 2019, Vepac Electronics
XP Power has announced the DSR range of AC-DC DIN rail power supplies approved for industrial control systems and information technology equipment applications. These versatile supplies provide reliable ...

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Oil dielectric RF termination loads
September 2019, Comtest
For maximum process repeatability and consistency, modern plasma applications require precise RF power regulation and control. A key component in ensuring accurate and repeatable RF power delivery to ...

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Outsmarting the DC switch arc
August 2019, Phoenix Contact
Trouble-free switching even of higher DC loads up to 250 VDC and 10 A can be realised by means of selecting a special coupling relay, preferably with blowout magnet.

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Movidrive for screen filters
August 2019, SEW-Eurodrive
An industrial water filtration specialist that has used gearmotors from SEW-Eurodrive for many years has adopted its Movidrive inverters with CMP servo motors and customisable iPOS software for its latest ...

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Fast payback on steam cogeneration
August 2019, Zest WEG Group
Fast payback on steam turbine cogeneration systems makes this power source an attractive option across numerous industries. This is according to Leandro Magro, manager steam turbines at Zest WEG Group, ...

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Power-factor correction to cut ­energy costs
August 2019, ElectroMechanica
Power-factor correction is a mechanism to reduce operating costs associated with electricity consumption. Some of the key advantages here are reduced kVA charges, improved plant efficiency and network ...

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Battery monitoring for power utilities
August 2019, Comtest
Comtest now offers the Midtronics Cellguard ELS+ electrolyte level monitoring system, an innovative solution for power utilities’ critical power reliability. This customer-driven product assures reliable ...

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Motor repair in Zambia keeps mine pumping
August 2019
Marthinusen & Coutts’ Cleveland Engineering Services Division, a division of Actom, recently teamed up with the Marthinusen & Coutts Kitwe facility in Zambia to rehabilitate medium voltage pump motors ...

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Dry-type transformer excels on mobile process plant
August 2019
Four dry-type transformers from Trafo Power Solutions have been proving their worth on a mobile process plant at a Sierra Leone mine. So successful have they been that the customer has ordered six more ...

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Powerterm P PSU: priced to meet tight budgets
August 2019, Omniflex Remote Monitoring Specialists
The Powerterm P range of DIN rail mount 24 VDC power supplies are specifically designed for industrial instrumentation applications. Use of carefully selected long-life components and conservative design ...

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Guaranteed power protection
July 2019, Schneider Electric South Africa
During energy month, it may be time to assess what equipment in your office or data centre is critical to keep online. Adopting smart uninterruptible power supply (UPS) technology has become the preferred ...

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Quick transformer turnaround for KZN mine
July 2019
When a mining company in KwaZulu-Natal experienced a transformer failure recently, it was hoping for a quick solution. The mine got one from dry-type transformer specialist Trafo Power Solutions. It took ...

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UPS for industrial networks
July 2019, Phoenix Contact
The new Quint DC UPS uninterruptible power supply can be integrated into established networks, and continues to supply systems without interruption even in the event of a mains failure. It can be integrated ...

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Smart Grid solutions enhance utility revenue collection
July 2019, Schneider Electric South Africa
At African Utility Week in Cape Town, Johan Pretorius, business development manager, Schneider Electric South Africa, presented a paper on ‘The Impact of Revenue Collection on Non-Technical Losses’. “The ...

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Leonardo fitted with backup power by Zest WEG Group
July 2019, Zest WEG Group
As Sandton anticipates the completion this year of the Leonardo, the top end mixed-use skyscraper being constructed by Aveng-Grinaker LTA, Level 1 BBBEE-rated Zest WEG Group has supplied generator sets ...

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UPS with integrated power supply and USB interface
June 2019, Phoenix Contact
Supplying critical DC loads safely, increased system availability, confined spaces, and tough ambient conditions present system designers and operators with a variety of challenges.

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Power analysis and energy saving evolved
June 2019, HellermannTyton
Advanced power and energy consumption analysis is now available using a smartphone or tablet. The TPQA820 is a true RMS, self-powered 3-phase power quality analyser used to analyse and record the most ...

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Zest helps farmers find good ‘ground’
June 2019, Zest WEG Group
According to Zest WEG Group, there are misconceptions around what constitutes ‘earth’ and ‘neutral’ connections, and not understanding the differences can create serious problems when connections are ...

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BMG enhances efficiency of solar tracking system
June 2019, Bearing Man Group t/a BMG
BMG has extended the supply of Varvel gearboxes for small and medium power applications to include customised worm gearboxes for installation in photovoltaic solar tracking systems. “As part of BMG’s ...

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