A Slotwedge is made of either magnetic or nonmagnetic Material used as Slot Closures to hold the stator windings in the slots formed between the stator teeth.

Slotwedges made of magnetic material are a significant means to improve the efficiency of a motor or generator. Magnetic slot wedges reduce slot ripple in the air gap flux caused by the changing reluctance due to the slots, and also reduce the associated eddy current losses due to the interaction of the harmonics in the air gap flux with the conducting surface of the rotor.

The magnetizing current required in the stator windings to generate the desired air gap flux is less with a magnetic slotwedge, since more of the air gap flux is available for useful power production.

Main Slotwedge Producer in Europe is the Company SPIndustries, or SPI located in Austria / Hungary.

If you are interested in more details on Slotwedges, please visit the SPIndustries Homepage.

 

 

 

 

 

 

 

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http://www.spindustries.at/products-slotwedges.html

http://www.spindustries.at/products-machinedlaminateparts.html

http://www.spindustries.at/products-emotorcomponents.html

http://www.spindustries.at/products-coilmanufacturing.html