Recent content by physics97

  1. P

    Power Factor Proof: Avoid Poor PF < 0.8

    Thanks for your help mate, greatly appreciated
  2. P

    Power Factor Proof: Avoid Poor PF < 0.8

    Error in an equation * Z=sqrt((R^2)+((Xl-Xc)^2))
  3. P

    Power Factor Proof: Avoid Poor PF < 0.8

    When Xl=Xc the power factor is equal to 1 (easily proven), so i suppose that as Xl-Xc approaches zero, the apparent power approaches the value of the real power. My problem is I am truly stumped on how i could prove it, any suggestions?
  4. P

    Power Factor Proof: Avoid Poor PF < 0.8

    Getting to the point where this is urgent, anyone able to help?
  5. P

    Power Factor Proof: Avoid Poor PF < 0.8

    Simplifies down to: PF = R / sqrt(R^2+(xl-xc)^2) ?
  6. P

    Power Factor Proof: Avoid Poor PF < 0.8

    Homework Statement Hi guys, I am having trouble with my homework, it states to generalise the circumstances required to avoid a poor power factor (assumed to be less then 0.8) of a circuit, this generalisation must then be proved. Any help would be greatly appreciated. Homework Equations...