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Stator slot magnetic wedges

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Franco T

Electrical
Joined
Jan 26, 2019
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1
Location
AR
Does anyone have experiencie with detecting magnetic wedges missing using CSA? It is supposed to find some peaks at tooth freq?
 
Magnetic wedges are used to reduce magnetizing current of low speed motors. If a lot of wedges go missing, the no-load current may be higher, if you are tracking the decoupled no-load current. I doubt CSA can detect missing mag wedges.

Muthu
 
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