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Chapter 7

AC Steady State Power

Moc chwilowa
Moc chwilowa
For a circuit with a sinusoidal input, the power delivered to a passive element equals the product of the voltage and current across it. Expressing ...
Moc średnia
Moc średnia
For most practical applications, the time-varying instantaneous power is not a commonly used quantity. Instead, the average power is used as the ...
Wartość skuteczna przebiegu okresowego
Wartość skuteczna przebiegu okresowego
Consider an AC circuit with a periodic voltage source connected to a resistor. The average power delivered to the resistor equals the integral of the ...
Moc pozorna zespolona
Moc pozorna zespolona
Consider a load connected to an AC source. The voltage and currents across this load can be represented in the frequency domain. The complex power is ...
Oszczędzanie energii prądu przemiennego
Oszczędzanie energii prądu przemiennego
The principle of AC power conservation states that the complex, real, and reactive powers generated by the source are equivalent to the total complex, ...
Współczynnik mocy
Współczynnik mocy
The power factor is the ratio of the active power to the apparent power. It is determined by the phase difference between the voltage and current, which ...
Poprawa współczynnika mocy
Poprawa współczynnika mocy
The power transmission to a factory involves the transfer of both active and reactive power. The ratio of active to total power defines the power factor. ...
Zasada superpozycji
Zasada superpozycji
Consider a circuit with two sinusoidal voltage sources. According to the superposition principle, the total current resulting from both sources is the sum ...
Twierdzenie o maksymalnym przeniesieniu mocy
Twierdzenie o maksymalnym przeniesieniu mocy
Consider a linear AC circuit connected to a load, represented by its Thevenin equivalent. The current flowing through the load is determined using the ...
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