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To Calculate losses on No-Load, Half-Load & Full Load

To Calculate losses on No-Load, Half-Load & Full Load

I wonder whether someone can provide me some references as to how to calculate losses [ in watts] based percentage of No- load, Half-load and Full-load  conditions for
3-phase motors. Thank you in advance

RE: To Calculate losses on No-Load, Half-Load & Full Load

Check the motor manufactures web sites they usually have that type of informatiom "beldor motors" comes to mind,

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