THE COMPLEX POWERS ANALYSIS OF A THREE-PHASE
LOAD
This paper presents the real unbalanced load and the powers
absorbed by it. It is considered the impedances with negative real part, in other
words generalized impedances. Also, taking into consideration the calculation
symmetrical components of impedances, a three-phase impedance system may
be divided into two parts: a balanced part and an unbalanced part. Afterwards,
the complex powers absorbed are calculated for the direct, inverse and
homopolar sequences. Then the diagram of the complex powers is deduced for
the real unbalanced load and are presented the conclusions. The bibliography
can be found at the end of the paper.
Keywords: three-phase, power complex receiver, generalized
impedance, symmetrical components, calculation of symmetrical components
Attenuation, the powers
Cuvinte cheie: receptor trifazat, putere complexă, impedanţă
generalizată, componente simetrice, componente simetrice de calcul ale
impedanţelor, diagrama puterilor
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