## 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 […]

## 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 […]

## Average Power Formula

Average Power Formula: To find the average value of any power function, we have to take a particular time interval from t1 to t2; by integrating the function from t1 to t2 and dividing the result by the time interval t2 — t1, we get the Average Power Formula. In general, the average value over […]

## Instantaneous Power Formula

Instantaneous Power Formula: Instantaneous Power Formula – In a purely resistive circuit, all the energy delivered by the source is dissipated in the form of heat by the resistance. In a purely reactive (inductive or capacitive) circuit, all the energy delivered by the source is stored by the inductor or capacitor in its magnetic or […]

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