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Archive: Category «Electric Motor»

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Why do we need variable speed drives (VSD)?

There are many and diverse reasons for using variable speed drives. Some applications, such as paper making machines, cannot run without them while others, such as centrifugal pumps, can benefit… Read more

Nov 25, 2011 | Edvard

Danfoss - VLT AutomationDrive Series

Motors And Drives For Efficient Control – ABB

With electric motors accounting for an estimated 65 percent of industrial energy use, any increases in efficiency clearly provide the potential for major savings. The energy consumption of electric motors… Read more

Nov 23, 2011 | Edvard

ABB Motors and Drives

Induction machines – historical touch

Faraday discovered the electromagnetic induction law around 1831 and Maxwell formulated the laws of electricity (or Maxwell’s equations) around 1860. The knowledge was ripe for the invention of the induction… Read more

Mar 15, 2011 | Edvard

Induction machines

Keeping Motor Windings Dry

Special provision should be made to protect motor windings which operate in a damp atmosphere or are subject to condensation of moisture when out of service for long periods. Motors… Read more

Dec 14, 2010 | Edvard

AC motor stator windings
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