Whether companies need power to survive loadshedding or to raise their production output, the trend is for their power generating systems to get bigger.
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Variable speed drives (VSDs) are generally considered as vital contributors to energy efficiency, but they also have features that can reduce the operational disruptions caused by loadshedding.
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Over the past 12 years Zest WEG, the South African subsidiary of Brazilian motor and controls manufacturer WEG, has evolved from being primarily a sales and distribution company to a fully-fledged manufacturer ...
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Taking proactive steps to become more energy efficient, South African water utility ERWAT is installing WEG IE3 top premium efficiency and WEG IE4 super premium efficiency motors from Zest WEG. The motors – from WEG’s popular W22 range – will assist in reducing the impact of rising electricity costs and lower the total cost of ownership.
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When PGM and chrome producer Tharisa Minerals built its pioneering Vulcan ultra-fine chrome recovery and beneficiation plant near Rustenburg, it looked to Zest WEG for a range of electrical equipment.
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Where electric motors are employed in critical applications, any underperformance or failure can cost owners dearly in downtime. This is where MV electric motors can help mitigate operational risk.
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The company has progressively increased its level of local manufacturing over the past decade and now boasts six manufacturing sites – four in the Gauteng region and two in Cape Town.
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Zest WEG’s solution – built to the highest safety and performance standards – is powering one of the largest HIG mills in the southern hemisphere.
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The project to expand a wastewater treatment plant, undertaken by water purification specialist PCI Africa, included the installation of 65 WEG motors.
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The innovative 50 MVA substation, with a dual voltage of 110-60/30-20 kV, will perform a range of duties for Guinea’s power utility company, including providing emergency and standby power.
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As an established supplier to South Africa’s rail sector, Zest WEG will be supplying specialised traction transformers for new substations serving rail lines in Gauteng and the Western Cape.
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As solar energy contributes increasingly to cleaner, renewable energy for a more sustainable world, WEG has introduced its complete ESW line of central inverter stations for photovoltaic power generation plants.
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