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Complex impedances are commonly used quantities in the analysis of AC power systems. A complex impedance is represented by the following relation :: <math> X \, </math> is the reactance (<math> \Omega </math>)

Z_{aa} & Z_{ab} & Z_{ac} & | & Z_{ae}\\ Y_{aa} & Y_{ab} & Y_{ac} & | & Y_{ae}\\

:* <math> X_{s} \, </math> = stator leakage reactance :* <math> X_{m} \, </math> = magnetising reactance

...einmetz Charles Proteus Steinmetz] first suggested representing sinusoidal AC waveforms as complex quantities in his book [http://www.archive.org/details A typical AC waveform can be represented in the time-domain as a sinusoid of the followi

.... The following [[LV_Cable_Data|typical cable impedances]] for low voltage AC and DC single core and multicore cables can be used in the absence of any o For AC systems, the method of calculating voltage drops based on load power factor

..., </math> is the series [http://en.wikipedia.org/wiki/Electrical_reactance reactance] (<math>\Omega /m </math>) Z_{aa} & Z_{ab} & Z_{ac} \\

The inductance and capacitance can be represented as a reactance and susceptance as follows: :* [[AC Power Transmission]]

...the switching angle on the flux waveform at three angles (relative to the ac supply voltage): 1) a positive zero crossing (<math>\theta = 0</math>), 2) .... This is equivalent to saying that as the core saturates, the magnetising reactance decreases significantly.