Getting wise about using variable speed drives

With the introduction of the WEG insulation system evolution (WISE) to all WEG motor lines, customers have full assurance that all WEG motors are variable-speed drive (VSD)-compatible. Not all standard electric motors are suitable for use with VSDs, as the motor insulation systems are susceptible to insulation damage caused by the harsh switching frequencies and voltage peaks generated by VSDs. This may degrade the motor insulation system and reduce the motor’s useful lifespan. To ensure that this does not occur in WEG motors, the WISE insulation system has been developed using enhanced materials in the production of the motor insulation. These materials include VSD-compatible wire, insulation film, impregnation material and suitable cables. WEG has also specially developed its LackTherm varnishes for the insulation systems of its electric motors, which are applied to the 99,9% pure copper wire during the enameling process.

Contact Zest Weg Group Africa, Tel 011 723-6000,

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Source: EE plublishers

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