The difference between complex power and apparent power

time：2024-10-22 15:02:49 Smart Electronics

The difference between complex power and apparent power

The difference between complex power and apparent power is mainly reflected in the following points:

1. Complex power: Complex power is the conjugation of a voltage vector multiplied by a current vector. Its real part is active power, the imaginary part is reactive power, and its mode is apparent power. The phase of the complex power should be consistent with the phase of the impedance, so the calculated phase angle of the complex power is the voltage phase and the current reduction phase.

2. Apparent power: The apparent power is equal to the square of the active power under the root number plus the square of the reactive power. The apparent power is the product of voltage and current, and the formula is S^2=P^2+Q^2.

In general, both complex power and apparent power are concepts used to represent power in a circuit, but they differ in how they are calculated and have different physical meanings.

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