Electrical Power & Protection


Latest Articles

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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Ultra-compact soft starter with protection
December 2019, Vepac Electronics
The Tele Christian P4.0/RL/TP/IC electronic soft starter is, with all of its integrated functionality, designed for ultra-compact installation. It helps to reduce wiring material, installation time and ...

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Motor system efficiency for reduced carbon emissions
January 2020
With electric motors consuming almost 70% of industry’s energy, companies are always looking for better motor efficiencies. For many years, motor efficiency has been well defined; however, when driven ...

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Latest power monitoring device
November 2019, ElectroMechanica
A new panel-mounted power monitoring device (PMD) from Socomec has been launched locally by ElectroMechanica (EM). The Socomec DIRIS A-40 has been designed for measuring, monitoring, and reporting electrical ...

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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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