Electrical Engineering › Section J · Series, parallel, and series-parallel ac circuits › Topic J.3
Admittance and parallel ac networks
Almost every load in a building sits in parallel across the supply. Admittance, the reciprocal of impedance, turns parallel ac networks into simple sums, just as conductance did for parallel resistors in dc.
In this topic
- Why admittance
- Conductance and susceptance
- Admittance of a series branch
- Worked example: one branch
- Parallel ac networks
- The parallel R-L-C network
- Worked example: a parallel R-L-C load
- The parallel phasor diagram
- The current divider rule
- Worked example: dividing a current
- Common mistakes to avoid
- Key takeaways
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