Electrical Power & Protection


Latest Articles

WEG IE3 compliant motor control and protection
October 2019, Zest WEG Group
The increased move towards the use of IE3 electric motors has made it increasingly important that the most appropriate starting method be selected to ensure optimum performance. With this move it is essential ...

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Electronic monitoring devices from EM
October 2019, ElectroMechanica
A comprehensive range of electronic monitoring and timing devices in different formats for ease of use and retrofit purposes is available from ElectroMechanica (EM). The ElectroDev units are suited to ...

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Integrated earth leakage protection
October 2019, Schneider Electric South Africa
Schneider Electric has announced the introduction of integrated earth leakage protection for its Compact NSX and NSXm moulded circuit breaker ranges. “The award-winning Compact NSX moulded case circuit ...

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Batteries in motive power applications
October 2019, Comtest
When discussing motive power applications, the initial thought is that their batteries must be similar to transportation batteries. After all, this equipment is ‘motive’ just like a car or truck. However, ...

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Better transformer design improves safety
October 2019
As electricity utilities and users worldwide look to become more safety conscious and efficient in their use of electrical energy, it is important to leverage the improvements that have been made in the ...

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Stakeless ground loop tester
October 2019, Comtest
Testing the grounding components of equipment in hard to reach spaces, including areas that are indoors or fully paved and do not permit driving auxiliary test stakes, is always challenging. Comtest is ...

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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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