Electrical Power & Protection


Latest Articles

Universal voltage surge arrester
November 2010
The Blitzductor XTU, from DEHN’s Yellow/Line family, is a universal voltage surge arrester for instrumentation and automation systems that adapts itself to the nominal voltage of the installation. As ...

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ABB supplies SA's hydropower
13 October 2010, ABB South Africa
Electrical balance of plant solution to help meet rising demand for electricity

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Future-oriented technology for renewable energy
October 2010, WIKA Instruments
Wika is involved worldwide with renewable energy projects where it supplies pressure, temperature and level instrumentation for all parts of the power plants

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Bosch Projects' waste to energy initiative
October 2010
Bosch Projects has extended its expertise together with Munitech and is now actively involved in the waste-to-energy (WtE) sector. “WtE has become an effective and important tool globally to combat the ...

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AC power during grid failure
October 2010
Victron Energy B.V. introduces the new Quattro 10000 48V. A PV or other grid connected alternative energy system is a big investment. But it is incomplete: it will shut down in the event of a grid failure. ...

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Compact single-loop isolated barriers
October 2010, Pepperl+Fuchs
Pepperl and Fuchs has added a compact single-loop module to its extensive K-system series of intrinsic safety barriers. The company says that while its range of isolators has always fulfilled customer’s ...

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Versatile voltage transducers
October 2010
Geneva-based LEM has expanded its range of high accuracy voltage transducers to measure from a few volts up to 6400 VAC or DC and everything in between. Two technologies are used to achieve these measurements: ...

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DC/AC sine wave inverters
October 2010
Meanwell has introduced two new high performance DC/AC true sine wave inverters TN/TS-3000 (3000 W) series. Along with existing products TS-200, TS-400, TS-700, TS-1000 and TS/TN-1500 the company can ...

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Dehnventil lightning current surge arrestors
October 2010
Dehn’s Dehnventil lightning current surge arresters combine safety and innovation in a single stage modular design for use in compact electrical installations. By using the double terminals the surge ...

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480 W DIN rail supply
September 2010
Mean Well has expanded its WDR family of single phase AC/DC slim DIN rail power with the introduction of the 480 W WDR-480 series. Built-in active PFC function ensures high-efficiency units that meet ...

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Video game power supply
August 2010
The continuous expansion of the entertainment industry in recent years has increased the demand for innovative gaming and casino gambling equipment, resulting in an increased demand for higher wattage ...

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Wago's new power supplies
August 2010
Wago has expanded the Epsitron power supply system within the PRO family to include single-phase power supply devices. The 12 Ah rechargeable battery modules and a high performance charging unit have ...

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Protection for LV motors
August 2010, NewElec Pretoria
NewElec’s NI series motor protection relays protect motors in various LV applications from 5–550 A. They are designed with multiple mounting options and all the protection features required to protect ...

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IBC Solar breaks gigawatt mark
August 2010, LAPP Southern Africa
Since it was founded, IBC Solar has sold photovoltaic modules and systems with a total output of one gigawatt. In comparison: The photovoltaic systems currently connected to the grid in Germany produce ...

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British Gas metering project
July 2010
OSIsoft MDUS provides infrastructure for meter data collection, management and synchronisation for use with SAP for Utilities

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ABB powers the Gautrain
July 2010, ABB South Africa
ABB traction technologies selected to power South Africa’s first high-speed rail link. The 80-kilometre Gautrain Rapid Rail Link will bring high-speed commuter transport to SA’s Gauteng province. By ...

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Efficient new solar inverters
July 2010, Siemens South Africa
The new Sinvert PVS device line for medium sized and large photovoltaic power plants supplements the range of solar inverters offered by the Siemens Industry Automation Division. The three phase transformer ...

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Energy analysis in buildings
July 2010, Beckhoff Automation
Microsoft and Beckhoff show Green IT Solution at the Light+Building trade show. Advanced technologies for optimising energy efficiency are not only good for the environment, they also offer economic ...

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Rogowski coils revisited
July 2010
A new class of Rogowski coil split-core current transducers: the RT series.       Abstract The monitoring of electric power consumption has become a key element for managing facilities such as manufacturing, ...

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E+H designs global energy management strategy
July 2010, Endress+Hauser South Africa
Japan Tobacco’s worldwide energy monitoring initiative takes shape in South Africa. Japan Tobacco International (JTI) is a manufacturer with 30 factories located in 23 countries around the world. The ...

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