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Phase Angle
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Total Impedance
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Net Reactance
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Circuit Behavior
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Power Factor
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Phase angle is the angular difference between voltage and current waveforms in an AC circuit. It indicates whether the circuit is capacitive, inductive, or purely resistive.
Phase angle is calculated using the formula: θ = arctan((XL - XC) / R), where XL is inductive reactance, XC is capacitive reactance, and R is resistance.
A positive phase angle means the circuit is inductive (XL > XC), and voltage leads current. The circuit stores energy in magnetic fields.
A negative phase angle indicates a capacitive circuit (XC > XL), where current leads voltage. The circuit stores energy in electric fields.
Phase angle calculators are highly accurate for theoretical calculations. Real-world accuracy depends on the precision of component measurements and environmental factors.
Power factor equals the cosine of the phase angle. A smaller phase angle means higher power factor and more efficient power transfer in the circuit.
Yes, when inductive and capacitive reactances are equal (XL = XC), the phase angle is zero, making the circuit purely resistive with unity power factor.
Phase angle affects power efficiency, voltage regulation, and system stability. Understanding phase relationships helps in power factor correction and AC circuit analysis.