Drives, motors and switchgear

Drives, motors and switchgear

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by Karl van Rensburg, Siemens South Africa Rail Electrification

Open cast mining has always been an opportunity for operation of diesel-electric driven haul trucks, which are powered by a diesel-electric drive system consisting in principle of two electric drive motors, integrated through gears into the rear wheels of the trucks, an electric generator/alternator and a powerful diesel engine.

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by Anna Hildebrand Jensen, Danfoss

How ac drives improve efficiency, the advantage of choosing ideal components over pre-bundled packages, and total cost of ownership considerations.

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by Rudi Swanepoel, SEW-EURODRIVE South Africa

A very large order for SEW-EURODRIVE’s MC Series industrial gear units is being supplied to a gold-mining project in Kazakhstan.

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Philippe Hampikian, Schneider-Electric

Since arriving on the market, VSDs have proliferated across many industries.

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By Henry du Preez, Consultant

More efficient operation of motors can be achieved by optimising the energy consumption under varying loads.

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by David Claassen, Zest WEG Group

  1. Matching load and servo motor sizes
  2. Induction motor rotor bars
  3. Monomer and VOC-free unsaturated polyester resin - In modern impregnation machines
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