wtx Posted May 23, 2005 Report Share Posted May 23, 2005 Where can I find info realted to motor efficiency I mean if I need a 500 KW AC motor, so I can use 575 V motor wich mean 869 amps 4160V 120 amps 12500 V 40 amps. So how can I calculate the relative efficiency for each motor. Link to comment Share on other sites More sharing options...
wtx Posted May 23, 2005 Author Report Share Posted May 23, 2005 Where can I find info realted to motor efficiency I mean if I need a 500 KW AC motor, so I can use 575 V motor wich mean 869 amps 4160V 120 amps 12500 V 40 amps. So how can I calculate the relative efficiency for each motor. Link to comment Share on other sites More sharing options...
marke Posted May 23, 2005 Report Share Posted May 23, 2005 Hello wtx Welcome to the forum.The efficiency of a motor is dependant on the design of that motor. The only way to determine the efficiency without making measurments, is to get the information from the motor manufacturer. There is not a standard formula that can be applied to motor size voltage etc. 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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