Electrical Power & Protection


Latest Articles

Management of sealed lead acid batteries in reliable small DC standby power supply systems
September 2000, Omniflex Remote Monitoring Specialists
It is important to choose a power supply/battery charger combination that meets the needs of the system

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Spotting power failures before they occur
July 2000
Traditionally, the thermal method used to locate switchgear faults was to 'look' at the switchgear cabinet from the outside, with infrared cameras or infrared sensors. This had the disadvantage that any ...

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Family of power supplies meets highest EMC standards
July 2000, Shorrock Automation
The new switched-mode power supplies from IFM Electronic have a 24 V d.c. output voltage and are available in one-phase versions from 1 to 20 A and in three-phase versions from 5 to 40 A. Easy mounting ...

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The need for a UPS
July 2000
Paul Ashworth, Product Manager at local uninterruptible power supply (UPS) manufacturer, Meissner, believes that South Africans are misinformed when it comes to UPSs. "Electrical faults can cripple a ...

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Alternative power system for mains back-up or mobile AC power
July 2000
Tripp Lite SA distributor Comztek has introduced the Powerverter alternative power systems (APS) to provide a safe and more cost-effective source of reliable AC power. "Powerverter APS gives users access ...

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Static electricity problem solved with compressed air
May 2000, Electro-Test Instrumentation
A pharmaceutical company needed to fill mouthwash bottles at a rate of 200 per minute. Friction with the conveyor belt and guide rails produced a static charge on the bottle surface that resulted in two ...

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Space -saving power supply units
March 2000
Murrelektronik has expanded what was already one of the most comprehensive power supply ranges available, with two new additions: the MNG and MDG. The MNG power supplies are single phase, smoothed units. ...

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