Abstract
In this paper, an intelligent digital low voltage power factor optimizer has been built. This power factor optimizer operates according to the measurement the value of phase shift angle between both of current and voltage, thus the power factor has been measured. It is simply that it will improve the power factor through connecting a set of shunt capacitors in order to reach to an optimal value of the power factor (close to unity). The proposed intelligent digital power factor optimizer for low voltage is built and simulated using the software which is called electronic work bench package (EWB) Multisim. Finally, this optimizer presents a good result when applied to different loads and variable currents. This optimizer is feasible, affordable and ready to be implemented especially in countries that suffer from higher prices of electrical power.
Highlights
In recent years, the cost of electrical energy has become expensive, as especially in countries that have suffered from wars
A new approach of power factor correction is presented here, which is the intelligent digital low voltage power factor optimizer. This optimizer operates based on the measurement of the phase displacement angle between both of current and voltage, and improves the power factor to the optimal values by connecting the array of shunt capacitors
THE PROPOSED POWER FACTOR OPTIMIZER It is typically for the power factor optimizer to perform with twice of loops which are internal fast current loop in order to obtain closed to unity power factor, second the external slow voltage loop for the output voltage stabilization [4, 23]
Summary
The cost of electrical energy has become expensive, as especially in countries that have suffered from wars. In order to obtain a power factor very closed to unity, it must be reduced the distortion and losses in voltage, ensure that there is no any reactive power, and required a lowest value of current This will lead to an increase in the efficiency of the system and reduce the financial costs borne by the consumer [7,8,9,10]. A new approach of power factor correction is presented here, which is the intelligent digital low voltage power factor optimizer This optimizer operates based on the measurement of the phase displacement angle between both of current and voltage, and improves the power factor to the optimal values (close to unity) by connecting the array of shunt capacitors. Designing the intelligent digital circuit of this optimizer is the aim of this paper [22]
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