Transcription of No-load Current Basics: Practical Guidelines for Assessment
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1 EASA CURRENTS February 2005 Applied Voltage (% Of Rated)ABCurrent25%125%100%75%50%Full load CurrentContinued On Page 2No- load Current basics : Practical Guidelines For AssessmentBy Chuck YungEASA Technical Support SpecialistHow much No-load Current shouldI expect when testing a motor? Wewould like to have a ratio of no-loadamps / full- load amps, for qualitycontrol purposes.**Many of us expect a motor todraw approximately one-third of ratedcurrent, when operating from ratedvoltage on our test panel. That is agood rule of thumb most of thetime.
cal noise and rotor pullover issues. Ten percent of 0.008” is less than 1 thousandth—hardly practical. Even the bearings have more internal play than that. The manufacturer has little choice but to allow higher magnetizing current ... Practical Guidelines For Assessment ...
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