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  • Users: kia
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  1. kia

    When we change new power capacitor (PF Improvement)?

    When we change new power capacitor (PF Improvement)? Ex. Cap 50 kVAR 400V Ir = 72.2 A Cab = 497.36 uF(Delta connection) In catalogue shown -5% to +10% (Tolerance 472.5 - 547.1 uF) - Why new cap have Capacitance more than calculated value? Ex Ccal = 497.36 uF Cnew = 570 uF(more than 10%)...
  2. kia

    How about loss of MV tuned filter?

    We measured Active, Reactive and Apparent power of tuned filters. 6.6 kV system. Indoor, Aircore reactor, Cable length < 35 meters. 1. 5th Filter#1 3.9 MVAR(Design) P = 54 kW Q = 4.19 MVAR I = 365 A THDi < 5%(Measured) 2. 7th and 11th Filter#1 7.8 MVAR(Design) P = 159 kW...

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