Electrical Power & Protection


Latest Articles

Low resistance digital ohmmeter
March 2013
Megger’s DLRO200-115 ohmmeter checks and measures contact resistance in high voltage circuit breakers, disconnecting switches (isolators), busbar joints and other low resistance applications. The test ...

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Megger finds cable faults fast
February 2013
The new PFL22M1500 cable fault location system from Megger provides all of the facilities needed for fast, accurate and safe location of faults on underground cables. An essential resource for utilities ...

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Three-phase motor protection and control
February 2013, NewElec Pretoria, PI SA (PROFIBUS & PROFINET SA)
NewElec’s locally designed and manufactured NewCode relay is designed for the low voltage motor protection market. It provides comprehensive motor protection, with time and date stamped event and fault ...

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Low profile enclosed type power supply
February 2013, Current Automation
Mean Well has extended its RSP-200 series of 200 W AC/DC low profile, single output, enclosed switching power supplies. Featuring a 1U low profile, high efficiency and fanless free air convection cooling, ...

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Plug connectors in miniature format
February 2013, Phoenix Contact
With the M17 compact series of round plug connectors, Phoenix Contact has reduced the size of its standard connectors. The diameter of the cable connector was reduced by 2,6 mm to 18,7 mm and the total ...

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Rockwell Automation supplies drive control for Madagascar
January 2013, Rockwell Automation
Over the past year, Rockwell Automation South Africa has been using its medium voltage (MV) resources to commission 26 Allen-Bradley PowerFlex 7000 MV variable speed drives (VSDs) for the Ambatovy large-tonnage, ...

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Works through short length power outages
January 2013, Schneider Electric South Africa
APC by Schneider Electric introduces Back-UPS 800/1100.

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Schneider Electric’s GHA gas-insulated switchgear
January 2013, Schneider Electric South Africa
In line with its goal of constant development and improvement in products and services, Schneider Electric has introduced GHA gas-insulated circuit breaker switchgear offering safety, security and economic ...

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The energy water nexus
January 2013
Energy and water closely intertwined.

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Exact current control and synchronisation of LED lamps
January 2013, Beckhoff Automation
LED ballast with EtherCAT interface and integrated diagnostics.

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Rescue rods for electrical accidents
January 2013
The RST rescue rod from DEHN is designed to protect electrocution victims from the live working zone in the event of an electrical accident. Where a victim has been in contact with a live electrical connection, ...

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Safe testing for in-phase conditions
January 2013
DEHN’s PHV phase comparators have SABS approval and meet the requirements of SANS/IEC 61481 standards. The two-pole devices offer safe and reliable operation while testing for in-phase conditions in three-phase ...

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Standalone motor protection
January 2013, NewElec Pretoria
NewElec’s standalone KD KE motor protection relays self-record every setting alteration, every event (2000 off in a rotating buffer) and the last 60 faults, complete with the current value at the time ...

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Enhanced energy management and protection
December 2012, Schneider Electric South Africa
Schneider Electric SA announces the ­Micrologic E circuit breaker control unit with integrated energy measurement capability.

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Three-phase input DIN rail power supply
December 2012, Current Automation
Mean Well has introduced its new industrial power supply, the TDR-960 series ultra slim three phase input DIN rail mount units. Featuring 340-550 V AC three phase input range, TDR-960 can operate off ...

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Smart grids crucial for energy efficiency
November 2012, Schneider Electric South Africa
Power networks need to adapt to changing and complex environments.

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Siemens presents new gearless Direct Drive Wind generator
November 2012, Siemens South Africa
Comprised of individual generator segments, the system offers a wide range of turbine solutions.

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Mobile substations from Zest Energy
November 2012, WEG Africa
Zest Energy is poised to complete a contract awarded by Eskom for the design, construction, supply and commissioning of four 22 kV mobile distribution switching substations, in line with the power authority’s ...

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Schneider Electric SA introduces Acti 9 Control
November 2012, Schneider Electric South Africa
A complete high-performance system to integrate with any energy monitoring and control solution.

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Fire protection for the mining and metals industry
November 2012, Alien Systems & Technologies
Transformers and electrical switchgear are common in the mining and metals industry and so there is the ever present risk of oil fires. Alien Systems & Technologies Pyrogen and Pyrostorm extinguishing ...

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