Tuning a start/run capacitor for 60 to 50htz

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yachtwork

Joined Dec 19, 2019
5
I have a bunch of US 60htz motors that I am using in NZ that is a 50 hertz configuration. I have run the 60 hertz motors on 50 hertz but they tend to overheat at 100% load (air compressors starting and running under full load, etc). My question is if I can change the start or the run capacitor to a more efficient mF for using 60htz motors on 50htz. Thanks.
 

MaxHeadRoom

Joined Jul 18, 2013
23,916
If the start caps are switched out after start, there is no point changing them, you MAY see a slight improvement by increasing the capacity of the run caps.
Ensure you use AC motor run grade of cap.
Max.
 
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