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  • Users: burnt2x
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  1. burnt2x

    Transmission at Medium Voltage 4160V

    Hi, I have a proposal to upgrade a distribution line 4 km long that is now loaded up. The load has increased from the design load of 600 kVA to around 1.3 MW (almost 2X) so that they opted to install gensets to the newer buildings. Other than going into a higher transmission voltage (13.8), is...
  2. burnt2x

    MAIN BREAKER TRIPS INSTEAD OF THE FEEDERS DURING GROUND FAULTS

    Hello! I have a ground fault protection problem that involves two different directional ground relays and two different PT's (potential trafos wired broken-delta as reference voltage sources). The feeder PT voltage rating is 190 volts and the main breaker PT 110 volts. We have experienced...
  3. burnt2x

    MODELING A SINGLE-LINE TO GROUND FAULT

    Can anybody help me on a specific problem? I tried short-circuit simulation on an MV ungrounded system and I can't seem to arrive at good results on a SLG condition. How do you model an SLG? Any comment/ tip is accepted

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