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A new formula of power factor is defined in this paper. The non-symmetrical and non-sinusoidal situations may be characterized by analyzing the value of power factor, defined by this formula. This definition is linked by the fact that an unbalanced and non-linear electrical consumer consumes a part of available active power.
The efficiency problem in electrical energy alimentation can be analysed by the value of electrical pollution. In this paper, the electrical pollution is analysed, most of all, by the presence of negative and zero components. This components are generated by unbalanced consumer. The value of fluctuating power and non-symmetrical power can characterise the pollution generated by this unbalanced consumer
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