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  • Users: ivanngwh
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  1. ivanngwh

    Grid connection and fault current problem

    I have to connect a LV renewable generator to the utility's LV grid. The LV renewable generator is 380V, TPN, 50Hz, 1500kVA, 12.3MVA fault level contribution. The utility transformer LV side is 380V, TPN, 50Hz, 2000kVA, 24MVA fault level. When coupled, the total fault level is about...
  2. ivanngwh

    Unhappy with the FAT of a Pump

    I purchased a centrifugal pump (duty=333L/s at 130m head) coupled with a 3.3kV 710kW 1500rpm motor. In the factory test, the manufacturer is going to verify the pump performance curve. I expect them will use the 3.3kV motor I purchased to perform the test. But they used a smaller motor of 380V...

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