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New range of five-limb chokes target EMC problems

06 September 2015

REO UK has launched a new range of five-limb chokes targeting electromagnetic interference (EMI) problems in industrial applications.

The CNW range is available in two variants, the liquid cooled series-835 motor choke and the series-915 three-phase line choke. Offering a 40 percent weight and volume reduction on previous models, the new CNW range features high thermal dissipation and a maximum current rating of 1,200A.

The recent rise of non-linear loads such as variable speed drives (VSDs), used to improve efficiency and energy savings, has caused an increase in electromagnetic interference (EMI) and as facilities have grown, so has the tendency for longer cable runs. These issues have led to problems such as overheating windings, harmonic currents and voltage distortion, resulting in shorter product lifetimes and fines.

The new CNW series dampens current peaks and voltage drops on the network caused by high frequency switching, smoothing the waveform and providing a clean sinusoidal current output.

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