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  • Users: tm7128
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  1. tm7128

    Isolated Ground for OLC

    What should be the correct way to ground a PLC Panel? Is it necessary to instal an isolation transformer for the grounding of the PLC panel? Or can we bring a ground conductor (isolated ground) directly from the 120V distribution Panel and connect it to the ground bus of the PLC panle; and then...
  2. tm7128

    HP Vs Brake HP

    Should we use HP or BHP for the calculation of loads? For example a 20HP load has a BHP=18. We have to size transformer for eight 20HP motors. If we take HP of motors then: 8*20*0.746 = 119.36 kVA (150kVA transformer required) But if we take BHP of motors, then: 8*18*0.746 = 107.42 kVA...

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