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Parallel RLC. Circuit Representation. Resistance Rt @ 0 degrees as I is in phase Inductive Reactance X L @ -90 degrees I lags Capacitvie Reactance Xc @ 90 degrees I leads Current Total Formula by use of polar form It = Ir<0 + Ixl<-90 + Ixc<90 It = __ @angle which is the p.f< of the ckt.

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Current in parallel rlc

Resistance Rt @ 0 degrees as I is in phase

Inductive Reactance XL @ -90 degrees I lags

Capacitvie Reactance Xc @ 90 degrees I leads

Current Total Formula by use of polar form

It = Ir<0 + Ixl<-90 + Ixc<90

It = __ @angle which is the p.f< of the ckt

Current In Parallel RLC



Impedance

Impedance Triangle Cannot be used!!

Impedance is only calculate by this formula

Zt = E / It

Impedance


Power triangle

P.F is found through current calculations

Power Total

Pt = Pr or Pt = E x Ir x P.F

Reacitive Power ( calculate same as series)

QXL = E x IXL

QXC = E x Ixc

Qt = QXL - Qxc

Qt=√S²-P²

Apparent Power

St = [email protected] + [email protected] or -90

St= Es x It

St - [email protected] angle – p.f angle same as current angle

Power Triangle



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