real and reactive power flow between 2 nodes

Discussion in 'Homework Help' started by depq, Feb 24, 2009.

  1. depq

    Thread Starter New Member

    Feb 24, 2009
    2
    0
    Could someone please help me to derive the following equation for both real and reactive power flow between 2 nodes\buses.

    Node1: V1 @ angle δ°
    Node1: V2 @ angle 0°
    Impedance between nodes: Z=ωL

    Then,

    Real power, P = (V1V2/ωL)*sin δ°

    Reactive power, Q = (V1^2/ωL) - (V1V2/ωL)*sin δ°

    Please explain how to derive these 2 equations.

    Thanks!
     
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