Abstract
For the equipment connected to the three-phase or single-phase grid, the power factor represents an efficiency measure for the usage of electrical energy. The power factor improvement through correction methods reduces the load on the transformers and power conductors, leading to a reduction of losses in the mains power supply and a sustainable grid system. The implications at the financial level are also important. An example of load that generates a small power factor is represented by a motor without mechanical load or having a small mechanical load. Given the power factor correction (PFC), the costs are reduced through the elimination of penalties, applying only in the common coupling point (CCP). The advantages of using equipment for the power factor correction are related also to their long operation duration and the easiness of their installation. The device presented in this article takes advantage of the advances in information and communication technology (ICT) to create a new approach for telemetry and remote configuration of a PFC. This approach has flexibility and versatility, such that it can be adapted to many loads, easily changing the capacitance steps and settings of the power factor correction device.
Highlights
The power factor is a measure of the efficiency of the use of electricity
The implications are financial in nature, a low power factor increasing the cost of consumed electrical energy [1,2,3,4]
Power Factor Compensation Equipment SustaFinoarbialitpyo2w02e0,r1f2a, c3t1o34r compensation circuit, equipment consisting of a Ducati Energia R5 485 de1v1iocfe20 that controlled a five-step capacitor battery and a Raspberry Pi 3 IoT device with the corresponding praongdraamhifgohr gdreegarteeer foufnacutitoonmaalittiyonw; esreeedFeivgeulroep5e.dT, wheitRh5mdoerveiccoemcomualdndbeancdoncfiognutrroeldptoosswiboirliktioesnabnodth a shiingghled-peghraeseeoafnadutthormeea-tpiohna;sseeneeFtiwguorrkes5
Summary
The power factor is a measure of the efficiency of the use of electricity. Improved power factor correction reduces the load of the transformers and conductors of electrical installations. Reactive power is an important parameter of the electrical power that leads to a decreased power factor. It is generated by two main factors: reactive elements and unbalances in the three-phase systems [5]. Sensitive electronic equipment is disturbed by the low power factor generated by unbalanced current. For single-phase or three-phase circuits symmetrically charged, for which the RMS values of the voltages and currents on the three phases (and the phase differences between the corresponding phasors) are equal, the power factor is defined as the positive and subunit ratio between the active power P and the apparent power S [34].
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