When we change new power capacitor (PF Improvement)?
When we change new power capacitor (PF Improvement)?
(OP)
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%)
- When we change new power capacitor?
Cmeasured <= xx% of Ccal or Imeasured <= xx% of Ir
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%)
- When we change new power capacitor?
Cmeasured <= xx% of Ccal or Imeasured <= xx% of Ir






RE: When we change new power capacitor (PF Improvement)?
RE: When we change new power capacitor (PF Improvement)?
In Delta loop had Cx, Cy and Cz,
So when we measure at terminal AB, Cab = Cx // (Cy + Cz)
at 50 kVAR 400V Cab = 497.36 uF