Electrical Power & Protection


Latest Articles

High-performance protection
July 2010
APC by Schneider Electric has launched its new Back-UPS RS 550VA line-interactive UPS (uninterruptible power supply) for reduced energy wastage. The model offers energy efficient charging, shutting off ...

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Class 2 LED power supply
July 2010
In response to the increasing demands of LED and decorative lighting applications, MEAN WELL introduced another new AD/DC enclosed type LED power supply. The PLN-45 series 45W is enclosed in a fully isolated ...

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Omnergy - efficiency by Omniflex
July 2010, Omniflex Remote Monitoring Specialists
A paper on enterprise energy efficiency. Energy efficiency is one of the key organisational focus issues for 2010 and beyond and this is easier said than done at enterprise level due to the broad nature ...

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Solid state overlay relay
July 2010, Rockwell Automation
Rockwell Automation has added to its overload relay family specially designed for low voltage applications in material handling, water/wastewater, process, petrochemical, and minerals and mining. The ...

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Energy for the Caribbean
July 2010
In February 2010 sera secured a large order to supply eight dosing units for a new power plant in Trinidad, being built by Ferrostaal for Trinidad Generation Unlimited (TGU).       Feed water conditioning ...

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Power saving motor from SEW-Eurodrive
July 2010, SEW-EURODRIVE
According to SEW-Eurodrive the investment costs for electrical drives are minor when compared to the overall investment in a system or plant, but the energy consumption of the selected drive technology ...

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Surge protection for sensor heads
July 2010, Phoenix Contact
Surgetrab are surge voltage protection devices for all commonly used standard signals that are installed with connection threads directly to the sensor head. This type of installation saves time and money ...

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40 W DC-DC converter
July 2010
Mean Well has introduced a new 40 W single output regulated converter. The 50x50 mm SKA40 series caters to the increased demand for miniature, high wattage module type DC-DC converters. With dual-in-line ...

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Preparing for higher energy prices
June 2010
Energy audits provide a benchmark for energy efficiency programs

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Cutting the cost of power
June 2010
RWE npower benefits from OSIsoft technology

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Lock down energy costs
June 2010, Schneider Electric South Africa
Reducing energy with Schneider Electric’s power management systems. According to Patrick Gaonach, Schneider Electric South Africa’s country president, analysing energy consumption and cost allocation ...

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New wind turbine from Siemens
June 2010, Siemens South Africa
Increased performance with 50% fewer parts. Siemens Energy launched its new SWT-3.0-101 direct drive wind turbine at the European Wind Energy Conference and Exhibition in Warsaw. The new SWT-3.0.101 ...

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Power supply and UPS
June 2010, Phoenix Contact
The new Mini UPS power supply from Phoenix Contact provides 4 A at 12 VDC and secures the operation of all connected loads in electrical systems, both when the mains supply is operating and when line ...

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High reliability enclosed PSUs
June 2010
Due to the gradual exhaustion of global resources, a wave of environmental consciousness is spreading throughout the electronics industry. Since switching power supplies play an important role in efficient ...

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Water treatment in power plants
June 2010
“With the alignment of Hach and Hach Ultra in South Africa, Hach SA is now able to offer a complete one stop shop for all power plant requirements,” says Hach business development manager, Gary Wilby. Since ...

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Megger views overhead line profiles
June 2010
With virtually unlimited data recording capacity, easy installation and lightweight durable construction, distribution profilers in Megger’s MDP series give power utilities a convenient and accurate way ...

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Energy monitoring from the terminal
June 2010, Beckhoff Automation
Beckhoff Building Automation: PC-based automation as the basis for energy efficient buildings. Investors and planners are faced with the challenge of coming to grips with energy costs without making ...

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Megger's portable relay tester
June 2010
Megger’s SVERKER 760 and SVERKER 780 protection relay test sets can now optionally be ordered with a rugged protective case that makes them even easier and more convenient to store, transport and use. ...

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Protecting photovoltaic installations
June 2010, Phoenix Contact
The PV-SET and VAL-MS 1000DC family of surge arresters from Phoenix Contact effectively protect photovoltaic systems against surge voltages. There are optimum protective devices available for all generally ...

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230 W battery charger
June 2010
MEAN WELL has introduced a new product in its AC/DC charger range. The PB-230 is a 230 W aluminium enclosed charger with active PFC function. Along with the existing PB series products, users now have ...

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