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  1. sgtcmh10

    locked rotor code using a VFD

    I had to do a locked rotor test but unfortunately i was also using a VFD. The application was 415 V, 50Hz and the hp was 29.72. Locked rotor current recorded as the drive attained 50 Hz was 125A. Seemed low and due to the drive it wasn't a true instantaneous reading. Any suggestions?

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