Power and Power Factor

Reactive Power

Reactive Power and The Power Triangle: We know that the average power dissipated is From the impedance triangle shown in Fig. 6.4 If we substitute Eqs (6.12) and (6.13) in Eq. (6.11), we get This gives the average power dissipated in a resistive circuit. If we consider a circuit consisting of a pure inductor, the …

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Apparent Power

Apparent Power and Power Factor: Apparent Power – The power factor is useful in determining useful power (true power) transferred to a load. The highest power factor is 1, which indicates that the current to a load is in phase with the voltage across it (i.e. in the case of resistive load). When the power …

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