quinta-feira, 24 de abril de 2014

Circuito RLC Paralelo

RLC Parallel Circuit

Finding the impedance of a parallel RLC circuit is considerably more difficult than finding the series RLC impedance. This is because each branch has a phase angle and they cannot be combined in a simple way. The impedance of the parallel branches combine in the same way that parallel resistors combine:
But although the branch impedance magnitudes can be calculated from
and
RL Circuit
RC Circuit
they cannot be directly combined as suggested by the expression above because they are different in phase - like vectors in different directions cannot be added directly. This dilemma is most easily solved by the complex impedance method.

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