Basic Electrical, Electronics And Instrumentation Engineering: UNIT I: Electrical Circuits
Parallel RLC Circuit
The circuit shows the three impedance Z1, Z2 and Z3 in parallel with the supply.
PARALLEL
RLC CIRCUIT
The
circuit shows the three impedance Z1, Z2 and Z3
in parallel with the supply.
The
currents are given by:
where
Y stands for the reciprocal of impedance Y is called the admittance and its
unit is Siemen.
The
admittance Y of a circuit is like that impedance, a complex quantity (with real
and imaginary parts or a magnitude and phase angle).
The
real part of Y is called conductance G
and
imaginary part is called susceptance B.
Complex Power
The
apparent power can be expressed in complex form:
S=P+jQ.
The
apparent power Q, S in complex form is equal to the product of phasor voltage
and conjugate of phasor current. It is known as complex power:
S=P+jQ=V
x I*
where
Real power P = in phase component.
Reactive
power Q = Quadrature component
V
= Phasor voltage in complex form
I*
= Conjugate of phasor current in complex forms.
Basic Electrical, Electronics And Instrumentation Engineering: UNIT I: Electrical Circuits : Tag: : - Parallel RLC Circuit
Basic Electrical, Electronics And Instrumentation Engineering: UNIT I: Electrical Circuits
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Basic Electrical, Electronics and Instrumentation Engineering
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