Guest Posted January 22, 2005 Report Share Posted January 22, 2005 what will be the Line Current & Phase Current in a 3 Ph. I/M of 22kW when running in:1. Star.2. Delta. Link to comment Share on other sites More sharing options...
marke Posted January 22, 2005 Report Share Posted January 22, 2005 The current flowing will be dependent on the shaft load, but the magnetising current in star will be one third of the magnetising current in delta. If the shaft load is light, (less than one third of motor rating) the work current in star will be similar to that in delta.If the shaft load is high, the motor will begin to stall in star and the work current will increase more than the current in delta. For a more accurate answer, we need to know more about the conditions.Best regards, Mark Empson | administratorSkype Contact = markempson | phone +64 274 363 067LMPForum | Power Factor | L M Photonics Ltd | Empson family | Advanced Motor Control Ltd | Pressure Transducers | Smart Relay | GSM Control | Mark Empson Website | AuCom | Soft Starters Link to comment Share on other sites More sharing options...
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