Electrical Power & Protection


Latest Articles

Royal HaskoningDHV manages cables at Medupi
March 2013
Under construction in Limpopo province is the world’s largest dry-cooled coal-fired power station, the 4800 MW Medupi power plant. As part of the project implementation, Royal HaskoningDHV has been appointed ...

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Green building solutions from Eaton
March 2013
Forward-looking building technology saves energy, protects the environment and safeguards investment.

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Power supply for medical applications
March 2013, Vepac Electronics
MTM Power offers its extensive portfolio of the open frame AC/DC power supplies series CPAmed350 accredited to EN 60 601 and UL 60 601 for medical applications. High packing density and small dimensions ...

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Gas discharge tube surge arresters
March 2013
DEHN’s DEHNgate is a family of lightning current surge arresters with a cable adaptor design for protecting coaxial systems such as CCTV, mobile radio stations, cell sites and antenna systems. Different ...

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Eliminating underload conditions
March 2013, NewElec Pretoria
NewElec’s MA Series motor protection relays provide protection against underloads or undercurrents, sustained and cyclic overload conditions, and unbalanced current, single phasing and earth leakage. ...

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Profibus accredited motor protection and control relay
March 2013, NewElec Pretoria, PI SA (PROFIBUS & PROFINET SA)
The new NewCode motor protection and control relay from NewElec is fully Profibus accredited and retains the user-friendly features that are synonymous with the company’s products. Customers will benefit ...

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Three in one low voltage motor protection relay
March 2013, PI SA (PROFIBUS & PROFINET SA), NewElec Pretoria
NewElec’s KD and KE low voltage three-phase motor protection relays are designed for conveyor, compressor, crusher, fan and pump motor protection. The KD relay facilitates certain control panel mounted ...

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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
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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