a) Find the real power, reactive power, apparent power, and power factor associa

Question

a) Find the real power, reactive power, apparent power, and power factor associated with the voltage source.

b) What happens to the power factor if the impedance from the capacitor becomes -j10%u03A9?

Please show work, I need a clear explanation on how to obtain the different type of powers, I'm very confused with that.

Find the real power, reactive power, apparent power, and power factor associated with the voltage source. What happens to the power factor if the impedance from the capacitor becomes -j10%u03A9?

Explanation / Answer

Apparent Power = V *(I*)....

Real power = Real part of Apparent power = VI cos (phi)

Reactive Power = imaginary part of apparent Power =VI sin(phi)

Power Factor = cos ( Reactive Power / Real Power )

As the reactive power is high because of high value of impedance it becomes cos(90) and hence the power factor is 0 ......

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