![]() ![]() Circuit Diagram Automatic Power Factor Controller using PIC Microcontroller Circuit Diagram Working Comparator Section Here we are presenting a prototype for automatic power factor correction using PIC Microcontroller. Hence there is a requirement to bring this power factor close to unity. Most of the devices we use have power factor less than unity. Active power performs useful work while Reactive power does no useful work but is used for developing the magnetic field required by the device. In electrical terms Power factor is basically defined as the ratio of the active power to reactive power or it is the phase difference between voltage and current. So closer the value of P.F to unity, better is the utility of energy or lesser is the wastage. ![]() The maximum value of power factor is unity. ![]() In simple words power factor basically states how far the energy provided has been utilized. Hence there is an urgent need to avoid this wastage of energy.īefore getting into the details of Power factor correction, lets just brush our knowledge about the term “power factor”. The thirst for new sources of energy is unquenchable, but we seldom realize that we are wasting a part of the electrical energy every day due to the lagging power factor in the inductive loads we use.
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