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  1. Dodo22

    Need Guidance on Aspen One Liner Breaker Capacity Study

    Yes, a Breaker Capacity Study using Aspen OneLiner involves several steps. First, set up the software and input the system model, including buses, transformers, lines, loads, and breakers. Next, define electrical parameters for each component. Enter the ratings and characteristics of each...
  2. Dodo22

    Leakage Impedance test to Transfromer YnYn-D with buried tertiary (stabilizing tertiary)

    To measure the leakage impedances Zps, Zpt, and Zst of a YnYn-D transformer with a buried tertiary winding, conduct tests by short-circuiting each winding individually. Apply rated voltage to the non-short-circuited winding and measure voltage and current. Calculate Zps, Zpt, and Zst using the...
  3. Dodo22

    Sizing of Gas Turbine Generators

    To size two large gas turbine generators (GTG) running in parallel, each 30 MW, 13.8 kV, 0.8 PF, with voltage harmonics reduced to 5%, and 50% non-linear loads, follow these steps: Total Load Calculation: Linear Load (L1): 20 MW Non-Linear Load (L2): 20 MW Largest VFD-operated Motor Load (L3): 5...

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