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  1. StruggleEngr

    Multiple Manufacturing Buildings VFDs tripping due to Overvoltage

    Hello All, I am a field engineer at a complex that serves multiple manufacturing buildings. My group is responsible for the 12.47kV overhead distribution to the building service entrance equipment, including the transformer (Delta-Wye XFMR). Three manufacturing buildings are experiencing...
  2. StruggleEngr

    Load Flow Study - Available Fault Current and Voltage Regulation

    Hello all, How does a higher available fault current provide better voltage regulation? I was watching a presentation on a System Analysis - Load Flow Study. The presenter had a slide regarding voltage regulation and that it is the percent difference between the voltage at a certain point in...
  3. StruggleEngr

    Alarms in DCS/PCS When Disconnect Closes

    Hello All, I am a field engineer helping with StartUp and Commissioning and have encountered a problem with the team that has us stumped. When we closed our 345kV switchyard disconnect onto our 500kV HVCB, we noticed false alarms on various instruments throughout the plant. These alarms include...
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