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  1. efmaster

    Circuit Analysis: Current Angle

    If there are capacitive and inductive reactances, angle will NOT remain same. On capacitor current take 90 degree lead to voltage, on coil current will get 90 degree lag to voltage.
  2. efmaster

    fused Petersen coil?

    Hello, in our company we have 6kV resonant grounded grid. The issue is that between neutral point of 6kV transformer winding and Petersen coil are 2x 80A fuses (those fuses are paralel, so they will hold 160A). Those fuses are there since begining (aprox. 40-50 yrs). Petersen coil is protected...

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