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Problem Description:
current unbalance at VFD input
 

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Comments:

VFD nominal input voltage: 380-480Vac; VFD nominal input current: 130A; VFD measured input voltage: 471Vac - L1 to L2, 474Vac - L1 to L3, 476Vac - L2 to L3; VFD measured input current: 102A-L1, 98A-L2, 107A-L3; VFD measured DC link: 633Vdc, 6Vac;