Electrical Reactance - Analysis

Analysis

In phasor analysis, reactance is used to compute amplitude and phase changes of sinusoidal alternating current going through the circuit element. It is denoted by the symbol .

Both reactance and resistance are components of impedance .

where
  • is the impedance, measured in ohms.
  • is the resistance, measured in ohms.
  • is the reactance, measured in ohms.

Both capacitive reactance and inductive reactance contribute to the total reactance .

where
  • is the capacitive reactance, measured in ohms
  • is the inductive reactance, measured in ohms

Capacitive reactance is non-positive and inductive reactance is non-negative.

Thusly,

  • If, the reactance is said to be inductive.
  • If, then the impedance is purely resistive.
  • If, the reactance is said to be capacitive.

Read more about this topic:  Electrical Reactance

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