Electrical Power & Protection


Latest Articles

Self-generated power needs a focus on efficiency
November 2017, WEG Africa
Remote projects that happen far from national power grids tend to pay a premium for generating their own energy; so they need to plan carefully and use it as efficiently as they can. This is the advice ...

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Dry-type transformers for modular substations
October 2017
The introduction of Trafo dry-type transformers to the African market comes just at the time that end-users, in a number of industry sectors, embrace the growing trend towards modularised substations. “Due ...

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Legrand’s solutions for power ­outages
October 2017, Legrand
Legrand’s power solutions ensure continuity of service and protection of electrical equipment during planned and unexpected power outages. These modular systems include cast resin transformers, with low ...

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Improve battery management in solar powered applications
October 2017, Omniflex Remote Monitoring Specialists
The Powerterm industrial grade power supply/battery backup range from Omniflex has been standardised by many major utilities around the world. It is the ideal solution where battery backup is necessary ...

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Low-voltage electric motor ­management system
October 2017, WEG Africa
The modular design of the WEG low-voltage electric motor management system offers the flexibility of expanded functionality. Engineered as a plug-and-play solution, the compact WEG SRW01 is ideal for ...

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Contactless energy transfer system at Sasol Wax
October 2017, SEW-EURODRIVE
SEW-Eurodrive has supplied its Movitrans contactless energy transfer system to Sasol Wax, a major manufacturer of mineral-oil based and synthetic paraffin waxes, petroleum jellies, and liquid paraffins, ...

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Project disruption and its cost to electrical contractors
October 2017, WEG Africa
EnI Electrical bases its success on customer satisfaction through transparent and ethical leadership.

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Voltage detector enhances safety of electrical installations
September 2017
DEHN Africa has introduced the new PHE4 series of voltage detectors to improve safety during maintenance of electrical systems and installations. The detectors provide reliable information in all weather ...

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High-efficiency motors are cost savers
August 2017, WEG Africa
As Africa’s mines work to hold down costs and extract more value from their assets, modern high-efficiency motors from Zest WEG Group are helping to cut energy bills and maintenance. “Almost two-thirds ...

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PSU/charger provides safe field servicing for personnel
August 2017, Omniflex Remote Monitoring Specialists
Omniflex recently added to its popular compact Powerterm PSU and battery charger range with new versions now available with a safe mains connection, through an IEC320-C5 clover leaf AC input socket. The ...

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Solar powered VSDs for borehole applications
August 2017, WEG Africa
Farmers are making increasing use of photovoltaic solar panels and variable speed drives (VSDs) to get clean and continuous power to their boreholes in remote locations, cutting out the need for costly ...

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RS Components introduces Schneider contactor series
August 2017, RS South Africa
AC/DC coil TeSys D Green contactors offer backward compatibility with current TeSys D accessories and support products.

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Split-core transducers for measurement of high DC currents
August 2017
Complementing LEM’s range of products for advanced battery management applications, the new DH family of DC current transducers offers precise measurement of bipolar currents up to 2000 A. Measuring only ...

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Traco TSPC series industrial power supplies
August 2017, Conical Technologies
Swiss-based Traco Power has announced the release of its new TSPC series high-performance DIN-rail mount power supplies for harsh industrial environments. The design is based on the popular Tracopower ...

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Africa’s largest rotor pole ­refurbishment
July 2017
In the largest repair of this nature in Africa, Marthinusen & Coutts recently refurbished 11 of the full set of 14 rotor poles of Motor Generator Unit Three at Eskom’s Ingula Pumped Storage Scheme on ...

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Electrical loggers help reduce ­energy costs
July 2017, Comtest
One of the most significant costs for industrial facilities is energy. While many managers view energy as an unavoidable expense, in reality it is a variable cost that can be monitored and managed, significantly ...

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Don’t leave the meter running
July 2017, Siemens South Africa
A smart solution for overcoming barriers to municipal cash flow and revenue collection.

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Current and voltage sensing contactors
July 2017
Gigavac has released a new range of current and voltage sensing contactors. These can help reduce the number of components in monitoring and control systems by integrating the sensing controls within ...

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Wireless lighting control system
July 2017
Magnet’s locally designed and manufactured wireless lighting control system, Lite-C has been developed for installations in commercial buildings, warehouses and distribution centres, as well as parkades. ...

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Farmers should not underestimate motor power requirements
June 2017, WEG Africa
Many readers will be surprised that over 40% of global electricity is consumed by electric motors, and even more surprised that the figure for South Africa is higher still, according to Zest WEG Group ...

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