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  1. General Electrical Discussion
    Hi folks, I am having an onsite issue where there are two electrical meters provided to my client. The two meters are of 150Amps(for SMDB1) and 60Amps(for SMDB2) capacity. However, the existing total loads (via the two SMDBs) are quite uneven. The load current of SMDB1 goes upto about 130A...
  2. PLCs, VFDs, Motors and Controls
    Hello all, I'm a newbie in this area. I have a problem when performing load share with the VFD. Load share succeeded when the VFD frequency input to the motor is positive. Output torque on each motor is positive. When the input is negative, the load share failed because the slave motor torque...
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